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This commit is contained in:
Edouard Hur
GitHub
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README.md
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README.md
@ -6,7 +6,7 @@
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[](https://github.com/VictoriaMetrics/VictoriaMetrics/actions)
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[](https://codecov.io/gh/VictoriaMetrics/VictoriaMetrics)
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<img alt="Victoria Metrics" src="logo.png">
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## VictoriaMetrics
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@ -17,7 +17,6 @@ in [source code](https://github.com/VictoriaMetrics/VictoriaMetrics). Just downl
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Cluster version is available [here](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster).
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## Case studies and talks
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* [Adidas](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/CaseStudies#adidas)
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@ -26,7 +25,6 @@ Cluster version is available [here](https://github.com/VictoriaMetrics/VictoriaM
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* [Wedos.com](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/CaseStudies#wedoscom)
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* [Dreamteam](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/CaseStudies#dreamteam)
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## Prominent features
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* Supports [Prometheus querying API](https://prometheus.io/docs/prometheus/latest/querying/api/), so it can be used as Prometheus drop-in replacement in Grafana.
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@ -66,64 +64,61 @@ Cluster version is available [here](https://github.com/VictoriaMetrics/VictoriaM
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* Ideally works with big amounts of time series data from Kubernetes, IoT sensors, connected cars, industrial telemetry, financial data and various Enterprise workloads.
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* Has open source [cluster version](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster).
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## Operation
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### Table of contents
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- [How to start VictoriaMetrics](#how-to-start-victoriametrics)
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- [Environment variables](#environment-variables)
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- [Prometheus setup](#prometheus-setup)
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- [Grafana setup](#grafana-setup)
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- [How to upgrade VictoriaMetrics?](#how-to-upgrade-victoriametrics)
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- [How to apply new config to VictoriaMetrics?](#how-to-apply-new-config-to-victoriametrics)
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- [How to scrape Prometheus exporters such as node_exporter?](#how-to-scrape-prometheus-exporters-such-as-node-exporter)
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- [How to send data from InfluxDB-compatible agents such as Telegraf?](#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf)
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- [How to send data from Graphite-compatible agents such as StatsD?](#how-to-send-data-from-graphite-compatible-agents-such-as-statsd)
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- [Querying Graphite data](#querying-graphite-data)
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- [How to send data from OpenTSDB-compatible agents?](#how-to-send-data-from-opentsdb-compatible-agents)
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- [Prometheus querying API usage](#prometheus-querying-api-usage)
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- [How to build from sources](#how-to-build-from-sources)
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- [Development build](#development-build)
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- [Production build](#production-build)
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- [ARM build](#arm-build)
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- [Pure Go build (CGO_ENABLED=0)](#pure-go-build-cgo_enabled0)
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- [Building docker images](#building-docker-images)
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- [Start with docker-compose](#start-with-docker-compose)
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- [Setting up service](#setting-up-service)
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- [How to work with snapshots?](#how-to-work-with-snapshots)
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- [How to delete time series?](#how-to-delete-time-series)
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- [How to export time series?](#how-to-export-time-series)
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- [How to import time series data?](#how-to-import-time-series-data)
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- [Federation](#federation)
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- [Capacity planning](#capacity-planning)
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- [High availability](#high-availability)
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- [Deduplication](#deduplication)
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- [Retention](#retention)
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- [Multiple retentions](#multiple-retentions)
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- [Downsampling](#downsampling)
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- [Multi-tenancy](#multi-tenancy)
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- [Scalability and cluster version](#scalability-and-cluster-version)
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- [Alerting](#alerting)
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- [Security](#security)
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- [Tuning](#tuning)
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- [Monitoring](#monitoring)
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- [Troubleshooting](#troubleshooting)
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- [Backfilling](#backfilling)
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- [Profiling](#profiling)
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- [Integrations](#integrations)
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- [Roadmap](#roadmap)
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- [Contacts](#contacts)
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- [Community and contributions](#community-and-contributions)
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- [Third-party contributions](#third-party-contributions)
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- [Reporting bugs](#reporting-bugs)
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- [Victoria Metrics Logo](#victoria-metrics-logo)
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- [Logo Usage Guidelines](#logo-usage-guidelines)
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- [Font used:](#font-used)
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- [Color Palette:](#color-palette)
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- [We kindly ask:](#we-kindly-ask)
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* [How to start VictoriaMetrics](#how-to-start-victoriametrics)
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* [Environment variables](#environment-variables)
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* [Prometheus setup](#prometheus-setup)
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* [Grafana setup](#grafana-setup)
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* [How to upgrade VictoriaMetrics](#how-to-upgrade-victoriametrics)
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* [How to apply new config to VictoriaMetrics](#how-to-apply-new-config-to-victoriametrics)
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* [How to scrape Prometheus exporters such as node_exporter](#how-to-scrape-prometheus-exporters-such-as-node-exporter)
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* [How to send data from InfluxDB-compatible agents such as Telegraf](#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf)
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* [How to send data from Graphite-compatible agents such as StatsD](#how-to-send-data-from-graphite-compatible-agents-such-as-statsd)
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* [Querying Graphite data](#querying-graphite-data)
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* [How to send data from OpenTSDB-compatible agents](#how-to-send-data-from-opentsdb-compatible-agents)
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* [Prometheus querying API usage](#prometheus-querying-api-usage)
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* [How to build from sources](#how-to-build-from-sources)
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* [Development build](#development-build)
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* [Production build](#production-build)
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* [ARM build](#arm-build)
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* [Pure Go build (CGO_ENABLED=0)](#pure-go-build-cgo_enabled0)
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* [Building docker images](#building-docker-images)
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* [Start with docker-compose](#start-with-docker-compose)
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* [Setting up service](#setting-up-service)
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* [How to work with snapshots](#how-to-work-with-snapshots)
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* [How to delete time series](#how-to-delete-time-series)
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* [How to export time series](#how-to-export-time-series)
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* [How to import time series data](#how-to-import-time-series-data)
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* [Federation](#federation)
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* [Capacity planning](#capacity-planning)
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* [High availability](#high-availability)
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* [Deduplication](#deduplication)
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* [Retention](#retention)
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* [Multiple retentions](#multiple-retentions)
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* [Downsampling](#downsampling)
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* [Multi-tenancy](#multi-tenancy)
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* [Scalability and cluster version](#scalability-and-cluster-version)
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* [Alerting](#alerting)
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* [Security](#security)
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* [Tuning](#tuning)
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* [Monitoring](#monitoring)
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* [Troubleshooting](#troubleshooting)
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* [Backfilling](#backfilling)
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* [Profiling](#profiling)
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* [Integrations](#integrations)
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* [Roadmap](#roadmap)
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* [Contacts](#contacts)
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* [Community and contributions](#community-and-contributions)
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* [Third-party contributions](#third-party-contributions)
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* [Reporting bugs](#reporting-bugs)
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* [Victoria Metrics Logo](#victoria-metrics-logo)
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* [Logo Usage Guidelines](#logo-usage-guidelines)
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* [Font used](#font-used)
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* [Color Palette](#color-palette)
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* [We kindly ask](#we-kindly-ask)
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### How to start VictoriaMetrics
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@ -150,8 +145,8 @@ Each flag values can be set thru environment variables by following these rules:
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### Prometheus setup
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Prometheus must be configured with [remote_write](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#remote_write)
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in order to send data to VictoriaMetrics. Add the following lines
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Prometheus must be configured with [remote_write](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#remote_write)
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in order to send data to VictoriaMetrics. Add the following lines
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to Prometheus config file (it is usually located at `/etc/prometheus/prometheus.yml`):
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```yml
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@ -162,7 +157,7 @@ remote_write:
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Substitute `<victoriametrics-addr>` with the hostname or IP address of VictoriaMetrics.
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Then apply the new config via the following command:
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```
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```bash
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kill -HUP `pidof prometheus`
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```
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@ -185,7 +180,8 @@ across Prometheus instances, so those time series may be filtered and grouped by
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For highly loaded Prometheus instances (400k+ samples per second)
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the following tuning may be applied:
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```
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```yaml
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remote_write:
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- url: http://<victoriametrics-addr>:8428/api/v1/write
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queue_config:
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@ -196,19 +192,18 @@ remote_write:
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Using remote write increases memory usage for Prometheus up to ~25%
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and depends on the shape of data. If you are experiencing issues with
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too high memory consumption try to lower `max_samples_per_send`
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too high memory consumption try to lower `max_samples_per_send`
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and `capacity` params (keep in mind that these two params are tightly connected).
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Read more about tuning remote write for Prometheus [here](https://prometheus.io/docs/practices/remote_write).
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It is recommended upgrading Prometheus to [v2.12.0](https://github.com/prometheus/prometheus/releases) or newer,
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since the previous versions may have issues with `remote_write`.
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### Grafana setup
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Create [Prometheus datasource](http://docs.grafana.org/features/datasources/prometheus/) in Grafana with the following Url:
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```
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```url
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http://<victoriametrics-addr>:8428
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```
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@ -217,8 +212,7 @@ Substitute `<victoriametrics-addr>` with the hostname or IP address of VictoriaM
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Then build graphs with the created datasource using [Prometheus query language](https://prometheus.io/docs/prometheus/latest/querying/basics/).
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VictoriaMetrics supports native PromQL and [extends it with useful features](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/MetricsQL).
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### How to upgrade VictoriaMetrics?
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### How to upgrade VictoriaMetrics
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It is safe upgrading VictoriaMetrics to new versions unless [release notes](https://github.com/VictoriaMetrics/VictoriaMetrics/releases)
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say otherwise. It is recommended performing regular upgrades to the latest version,
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@ -233,8 +227,7 @@ Follow the following steps during the upgrade:
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Prometheus doesn't drop data during VictoriaMetrics restart.
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See [this article](https://grafana.com/blog/2019/03/25/whats-new-in-prometheus-2.8-wal-based-remote-write/) for details.
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### How to apply new config to VictoriaMetrics?
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### How to apply new config to VictoriaMetrics
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VictoriaMetrics must be restarted for applying new config:
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@ -245,8 +238,7 @@ VictoriaMetrics must be restarted for applying new config:
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Prometheus doesn't drop data during VictoriaMetrics restart.
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See [this article](https://grafana.com/blog/2019/03/25/whats-new-in-prometheus-2.8-wal-based-remote-write/) for details.
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### How to scrape Prometheus exporters such as [node-exporter](https://github.com/prometheus/node_exporter)?
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### How to scrape Prometheus exporters such as [node-exporter](https://github.com/prometheus/node_exporter)
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VictoriaMetrics can be used as drop-in replacement for Prometheus for scraping targets configured in `prometheus.yml` config file according to [the specification](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#configuration-file).
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Just set `-promscrape.config` command-line flag to the path to `prometheus.yml` config - and VictoriaMetrics should start scraping the configured targets.
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@ -259,13 +251,12 @@ In the future other `*_sd_config` types will be supported.
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See also [vmagent](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmagent/README.md), which can be used as drop-in replacement for Prometheus.
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### How to send data from InfluxDB-compatible agents such as [Telegraf](https://www.influxdata.com/time-series-platform/telegraf/)?
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### How to send data from InfluxDB-compatible agents such as [Telegraf](https://www.influxdata.com/time-series-platform/telegraf/)
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Just use `http://<victoriametric-addr>:8428` url instead of InfluxDB url in agents' configs.
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For instance, put the following lines into `Telegraf` config, so it sends data to VictoriaMetrics instead of InfluxDB:
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```
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```toml
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[[outputs.influxdb]]
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urls = ["http://<victoriametrics-addr>:8428"]
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```
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@ -275,6 +266,7 @@ Do not forget substituting `<victoriametrics-addr>` with the real address where
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Another option is to enable TCP and UDP receiver for Influx line protocol via `-influxListenAddr` command-line flag.
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VictoriaMetrics maps Influx data using the following rules:
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* [`db` query arg](https://docs.influxdata.com/influxdb/v1.7/tools/api/#write-http-endpoint) is mapped into `db` label value
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unless `db` tag exists in the Influx line.
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* Field names are mapped to time series names prefixed with `{measurement}{separator}` value,
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@ -285,13 +277,13 @@ VictoriaMetrics maps Influx data using the following rules:
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For example, the following Influx line:
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```
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```raw
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foo,tag1=value1,tag2=value2 field1=12,field2=40
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```
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is converted into the following Prometheus data points:
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```
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```raw
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foo_field1{tag1="value1", tag2="value2"} 12
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foo_field2{tag1="value1", tag2="value2"} 40
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```
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@ -299,20 +291,20 @@ foo_field2{tag1="value1", tag2="value2"} 40
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Example for writing data with [Influx line protocol](https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_tutorial/)
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to local VictoriaMetrics using `curl`:
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```
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```bash
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curl -d 'measurement,tag1=value1,tag2=value2 field1=123,field2=1.23' -X POST 'http://localhost:8428/write'
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```
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An arbitrary number of lines delimited by '\n' may be sent in a single request.
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After that the data may be read via [/api/v1/export](#how-to-export-time-series) endpoint:
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```
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```bash
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curl -G 'http://localhost:8428/api/v1/export' -d 'match={__name__=~"measurement_.*"}'
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```
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The `/api/v1/export` endpoint should return the following response:
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```
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```jsonl
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{"metric":{"__name__":"measurement_field1","tag1":"value1","tag2":"value2"},"values":[123],"timestamps":[1560272508147]}
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{"metric":{"__name__":"measurement_field2","tag1":"value1","tag2":"value2"},"values":[1.23],"timestamps":[1560272508147]}
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```
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@ -320,23 +312,21 @@ The `/api/v1/export` endpoint should return the following response:
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Note that Influx line protocol expects [timestamps in *nanoseconds* by default](https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_tutorial/#timestamp),
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while VictoriaMetrics stores them with *milliseconds* precision.
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### How to send data from Graphite-compatible agents such as [StatsD](https://github.com/etsy/statsd)?
|
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### How to send data from Graphite-compatible agents such as [StatsD](https://github.com/etsy/statsd)
|
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|
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1) Enable Graphite receiver in VictoriaMetrics by setting `-graphiteListenAddr` command line flag. For instance,
|
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the following command will enable Graphite receiver in VictoriaMetrics on TCP and UDP port `2003`:
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```
|
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```bash
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/path/to/victoria-metrics-prod -graphiteListenAddr=:2003
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```
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2) Use the configured address in Graphite-compatible agents. For instance, set `graphiteHost`
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to the VictoriaMetrics host in `StatsD` configs.
|
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|
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Example for writing data with Graphite plaintext protocol to local VictoriaMetrics using `nc`:
|
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```
|
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```bash
|
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echo "foo.bar.baz;tag1=value1;tag2=value2 123 `date +%s`" | nc -N localhost 2003
|
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```
|
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|
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@ -344,26 +334,23 @@ VictoriaMetrics sets the current time if the timestamp is omitted.
|
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An arbitrary number of lines delimited by `\n` may be sent in one go.
|
||||
After that the data may be read via [/api/v1/export](#how-to-export-time-series) endpoint:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -G 'http://localhost:8428/api/v1/export' -d 'match=foo.bar.baz'
|
||||
```
|
||||
|
||||
The `/api/v1/export` endpoint should return the following response:
|
||||
|
||||
```
|
||||
```bash
|
||||
{"metric":{"__name__":"foo.bar.baz","tag1":"value1","tag2":"value2"},"values":[123],"timestamps":[1560277406000]}
|
||||
```
|
||||
|
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|
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### Querying Graphite data
|
||||
|
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Data sent to VictoriaMetrics via `Graphite plaintext protocol` may be read either via
|
||||
[Prometheus querying API](#prometheus-querying-api-usage)
|
||||
or via [go-graphite/carbonapi](https://github.com/go-graphite/carbonapi/blob/master/cmd/carbonapi/carbonapi.example.prometheus.yaml).
|
||||
|
||||
|
||||
|
||||
### How to send data from OpenTSDB-compatible agents?
|
||||
### How to send data from OpenTSDB-compatible agents
|
||||
|
||||
VictoriaMetrics supports [telnet put protocol](http://opentsdb.net/docs/build/html/api_telnet/put.html)
|
||||
and [HTTP /api/put requests](http://opentsdb.net/docs/build/html/api_http/put.html) for ingesting OpenTSDB data.
|
||||
@ -373,39 +360,37 @@ and [HTTP /api/put requests](http://opentsdb.net/docs/build/html/api_http/put.ht
|
||||
1) Enable OpenTSDB receiver in VictoriaMetrics by setting `-opentsdbListenAddr` command line flag. For instance,
|
||||
the following command enables OpenTSDB receiver in VictoriaMetrics on TCP and UDP port `4242`:
|
||||
|
||||
```
|
||||
```bash
|
||||
/path/to/victoria-metrics-prod -opentsdbListenAddr=:4242
|
||||
```
|
||||
|
||||
2) Send data to the given address from OpenTSDB-compatible agents.
|
||||
|
||||
|
||||
Example for writing data with OpenTSDB protocol to local VictoriaMetrics using `nc`:
|
||||
|
||||
```
|
||||
```bash
|
||||
echo "put foo.bar.baz `date +%s` 123 tag1=value1 tag2=value2" | nc -N localhost 4242
|
||||
```
|
||||
|
||||
An arbitrary number of lines delimited by `\n` may be sent in one go.
|
||||
After that the data may be read via [/api/v1/export](#how-to-export-time-series) endpoint:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -G 'http://localhost:8428/api/v1/export' -d 'match=foo.bar.baz'
|
||||
```
|
||||
|
||||
The `/api/v1/export` endpoint should return the following response:
|
||||
|
||||
```
|
||||
```bash
|
||||
{"metric":{"__name__":"foo.bar.baz","tag1":"value1","tag2":"value2"},"values":[123],"timestamps":[1560277292000]}
|
||||
```
|
||||
|
||||
|
||||
#### Sending OpenTSDB data via HTTP `/api/put` requests
|
||||
|
||||
1) Enable HTTP server for OpenTSDB `/api/put` requests by setting `-opentsdbHTTPListenAddr` command line flag. For instance,
|
||||
the following command enables OpenTSDB HTTP server on port `4242`:
|
||||
|
||||
```
|
||||
```bash
|
||||
/path/to/victoria-metrics-prod -opentsdbHTTPListenAddr=:4242
|
||||
```
|
||||
|
||||
@ -413,31 +398,30 @@ the following command enables OpenTSDB HTTP server on port `4242`:
|
||||
|
||||
Example for writing a single data point:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -H 'Content-Type: application/json' -d '{"metric":"x.y.z","value":45.34,"tags":{"t1":"v1","t2":"v2"}}' http://localhost:4242/api/put
|
||||
```
|
||||
|
||||
Example for writing multiple data points in a single request:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -H 'Content-Type: application/json' -d '[{"metric":"foo","value":45.34},{"metric":"bar","value":43}]' http://localhost:4242/api/put
|
||||
```
|
||||
|
||||
After that the data may be read via [/api/v1/export](#how-to-export-time-series) endpoint:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -G 'http://localhost:8428/api/v1/export' -d 'match[]=x.y.z' -d 'match[]=foo' -d 'match[]=bar'
|
||||
```
|
||||
|
||||
The `/api/v1/export` endpoint should return the following response:
|
||||
|
||||
```
|
||||
```bash
|
||||
{"metric":{"__name__":"foo"},"values":[45.34],"timestamps":[1566464846000]}
|
||||
{"metric":{"__name__":"bar"},"values":[43],"timestamps":[1566464846000]}
|
||||
{"metric":{"__name__":"x.y.z","t1":"v1","t2":"v2"},"values":[45.34],"timestamps":[1566464763000]}
|
||||
```
|
||||
|
||||
|
||||
### Prometheus querying API usage
|
||||
|
||||
VictoriaMetrics supports the following handlers from [Prometheus querying API](https://prometheus.io/docs/prometheus/latest/querying/api/):
|
||||
@ -462,7 +446,6 @@ Additionally VictoriaMetrics provides the following handlers:
|
||||
so it can be slow if the database contains tens of millions of time series.
|
||||
* `/api/v1/labels/count` - it returns a list of `label: values_count` entries. It can be used for determining labels with the maximum number of values.
|
||||
|
||||
|
||||
### How to build from sources
|
||||
|
||||
We recommend using either [binary releases](https://github.com/VictoriaMetrics/VictoriaMetrics/releases) or
|
||||
@ -470,7 +453,6 @@ We recommend using either [binary releases](https://github.com/VictoriaMetrics/V
|
||||
from sources. Building from sources is reasonable when developing additional features specific
|
||||
to your needs.
|
||||
|
||||
|
||||
#### Development build
|
||||
|
||||
1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.12.
|
||||
@ -515,27 +497,24 @@ Run `make package-victoria-metrics`. It builds `victoriametrics/victoria-metrics
|
||||
`<PKG_TAG>` is auto-generated image tag, which depends on source code in the repository.
|
||||
The `<PKG_TAG>` may be manually set via `PKG_TAG=foobar make package-victoria-metrics`.
|
||||
|
||||
|
||||
### Start with docker-compose
|
||||
|
||||
[Docker-compose](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/docker-compose.yml)
|
||||
helps to spin up VictoriaMetrics, Prometheus and Grafana with one command.
|
||||
More details may be found [here](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/deployment/docker#folder-contains-basic-images-and-tools-for-building-and-running-victoria-metrics-in-docker).
|
||||
|
||||
|
||||
### Setting up service
|
||||
|
||||
Read [these instructions](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/43) on how to set up VictoriaMetrics as a service in your OS.
|
||||
|
||||
|
||||
### How to work with snapshots?
|
||||
### How to work with snapshots
|
||||
|
||||
VictoriaMetrics can create [instant snapshots](https://medium.com/@valyala/how-victoriametrics-makes-instant-snapshots-for-multi-terabyte-time-series-data-e1f3fb0e0282)
|
||||
for all the data stored under `-storageDataPath` directory.
|
||||
Navigate to `http://<victoriametrics-addr>:8428/snapshot/create` in order to create an instant snapshot.
|
||||
The page will return the following JSON response:
|
||||
|
||||
```
|
||||
```json
|
||||
{"status":"ok","snapshot":"<snapshot-name>"}
|
||||
```
|
||||
|
||||
@ -551,13 +530,13 @@ to delete `<snapshot-name>` snapshot.
|
||||
Navigate to `http://<victoriametrics-addr>:8428/snapshot/delete_all` in order to delete all the snapshots.
|
||||
|
||||
Steps for restoring from a snapshot:
|
||||
|
||||
1. Stop VictoriaMetrics with `kill -INT`.
|
||||
2. Restore snapshot contents from backup with [vmrestore](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmrestore/README.md)
|
||||
to the directory pointed by `-storageDataPath`.
|
||||
3. Start VictoriaMetrics.
|
||||
|
||||
|
||||
### How to delete time series?
|
||||
### How to delete time series
|
||||
|
||||
Send a request to `http://<victoriametrics-addr>:8428/api/v1/admin/tsdb/delete_series?match[]=<timeseries_selector_for_delete>`,
|
||||
where `<timeseries_selector_for_delete>` may contain any [time series selector](https://prometheus.io/docs/prometheus/latest/querying/basics/#time-series-selectors)
|
||||
@ -569,20 +548,19 @@ before actually deleting the metrics.
|
||||
|
||||
The delete API is intended mainly for the following cases:
|
||||
|
||||
- One-off deleting of accidentally written invalid (or undesired) time series.
|
||||
- One-off deleting of user data due to [GDPR](https://en.wikipedia.org/wiki/General_Data_Protection_Regulation).
|
||||
* One-off deleting of accidentally written invalid (or undesired) time series.
|
||||
* One-off deleting of user data due to [GDPR](https://en.wikipedia.org/wiki/General_Data_Protection_Regulation).
|
||||
|
||||
It isn't recommended using delete API for the following cases, since it brings non-zero overhead:
|
||||
|
||||
- Regular cleanups for unneded data. Just prevent writing unneeded data into VictoriaMetrics.
|
||||
* Regular cleanups for unneded data. Just prevent writing unneeded data into VictoriaMetrics.
|
||||
See [this article](https://www.robustperception.io/relabelling-can-discard-targets-timeseries-and-alerts) for details.
|
||||
- Reducing disk space usage by deleting unneded time series. This doesn't work as expected, since the deleted
|
||||
* Reducing disk space usage by deleting unneded time series. This doesn't work as expected, since the deleted
|
||||
time series occupy disk space until the next merge operation, which can never occur.
|
||||
|
||||
It is better using `-retentionPeriod` command-line flag for efficient pruning of old data.
|
||||
|
||||
|
||||
### How to export time series?
|
||||
### How to export time series
|
||||
|
||||
Send a request to `http://<victoriametrics-addr>:8428/api/v1/export?match[]=<timeseries_selector_for_export>`,
|
||||
where `<timeseries_selector_for_export>` may contain any [time series selector](https://prometheus.io/docs/prometheus/latest/querying/basics/#time-series-selectors)
|
||||
@ -590,7 +568,7 @@ for metrics to export. Use `{__name__!=""}` selector for fetching all the time s
|
||||
The response would contain all the data for the selected time series in [JSON streaming format](https://en.wikipedia.org/wiki/JSON_streaming#Line-delimited_JSON).
|
||||
Each JSON line would contain data for a single time series. An example output:
|
||||
|
||||
```
|
||||
```jsonl
|
||||
{"metric":{"__name__":"up","job":"node_exporter","instance":"localhost:9100"},"values":[0,0,0],"timestamps":[1549891472010,1549891487724,1549891503438]}
|
||||
{"metric":{"__name__":"up","job":"prometheus","instance":"localhost:9090"},"values":[1,1,1],"timestamps":[1549891461511,1549891476511,1549891491511]}
|
||||
```
|
||||
@ -601,7 +579,7 @@ unix timestamp in seconds or [RFC3339](https://www.ietf.org/rfc/rfc3339.txt) val
|
||||
Pass `Accept-Encoding: gzip` HTTP header in the request to `/api/v1/export` in order to reduce network bandwidth during exporing big amounts
|
||||
of time series data. This enables gzip compression for the exported data. Example for exporting gzipped data:
|
||||
|
||||
```
|
||||
```bash
|
||||
curl -H 'Accept-Encoding: gzip' http://localhost:8428/api/v1/export -d 'match[]={__name__!=""}' > data.jsonl.gz
|
||||
```
|
||||
|
||||
@ -609,8 +587,7 @@ The maximum duration for each request to `/api/v1/export` is limited by `-search
|
||||
|
||||
Exported data can be imported via POST'ing it to [/api/v1/import](#how-to-import-time-series-data).
|
||||
|
||||
|
||||
### How to import time series data?
|
||||
### How to import time series data
|
||||
|
||||
Time series data can be imported via any supported ingestion protocol:
|
||||
|
||||
@ -623,7 +600,7 @@ Time series data can be imported via any supported ingestion protocol:
|
||||
|
||||
The most efficient protocol for importing data into VictoriaMetrics is `/api/v1/import`. Example for importing data obtained via `/api/v1/export`:
|
||||
|
||||
```
|
||||
```bash
|
||||
# Export the data from <source-victoriametrics>:
|
||||
curl http://source-victoriametrics:8428/api/v1/export -d 'match={__name__!=""}' > exported_data.jsonl
|
||||
|
||||
@ -633,7 +610,7 @@ curl -X POST http://destination-victoriametrics:8428/api/v1/import -T exported_d
|
||||
|
||||
Pass `Content-Encoding: gzip` HTTP request header to `/api/v1/import` for importing gzipped data:
|
||||
|
||||
```
|
||||
```bash
|
||||
# Export gzipped data from <source-victoriametrics>:
|
||||
curl -H 'Accept-Encoding: gzip' http://source-victoriametrics:8428/api/v1/export -d 'match={__name__!=""}' > exported_data.jsonl.gz
|
||||
|
||||
@ -644,7 +621,6 @@ curl -X POST -H 'Content-Encoding: gzip' http://destination-victoriametrics:8428
|
||||
Each request to `/api/v1/import` can load up to a single vCPU core on VictoriaMetrics. Import speed can be improved by splitting the original file into smaller parts
|
||||
and importing them concurrently. Note that the original file must be split on newlines.
|
||||
|
||||
|
||||
### Federation
|
||||
|
||||
VictoriaMetrics exports [Prometheus-compatible federation data](https://prometheus.io/docs/prometheus/latest/federation/)
|
||||
@ -656,7 +632,6 @@ on the interval `[now - max_lookback ... now]` is scraped for each time series.
|
||||
For instance, `/federate?match[]=up&max_lookback=1h` would return last points on the `[now - 1h ... now]` interval. This may be useful for time series federation
|
||||
with scrape intervals exceeding `5m`.
|
||||
|
||||
|
||||
### Capacity planning
|
||||
|
||||
A rough estimation of the required resources for ingestion path:
|
||||
@ -684,7 +659,6 @@ A rough estimation of the required resources for ingestion path:
|
||||
The actual ingress bandwidth usage depends on the average number of labels per ingested metric and the average size
|
||||
of label values. The higher number of per-metric labels and longer label values mean the higher ingress bandwidth.
|
||||
|
||||
|
||||
The required resources for query path:
|
||||
|
||||
* RAM size: depends on the number of time series to scan in each query and the `step`
|
||||
@ -696,7 +670,6 @@ The required resources for query path:
|
||||
* Network usage: depends on the frequency and the type of incoming requests. Typical Grafana dashboards usually
|
||||
require negligible network bandwidth.
|
||||
|
||||
|
||||
### High availability
|
||||
|
||||
1) Install multiple VictoriaMetrics instances in distinct datacenters (availability zones).
|
||||
@ -715,7 +688,7 @@ remote_write:
|
||||
|
||||
3) Apply the updated config:
|
||||
|
||||
```
|
||||
```bash
|
||||
kill -HUP `pidof prometheus`
|
||||
```
|
||||
|
||||
@ -723,14 +696,12 @@ kill -HUP `pidof prometheus`
|
||||
5) Set up [Promxy](https://github.com/jacksontj/promxy) in front of all the VictoriaMetrics replicas.
|
||||
6) Set up Prometheus datasource in Grafana that points to Promxy.
|
||||
|
||||
|
||||
If you have Prometheus HA pairs with replicas `r1` and `r2` in each pair, then configure each `r1`
|
||||
to write data to `victoriametrics-addr-1`, while each `r2` should write data to `victoriametrics-addr-2`.
|
||||
|
||||
Another option is to write data simultaneously from Prometheus HA pair to a pair of VictoriaMetrics instances
|
||||
with the enabled de-duplication. See [this section](#deduplication) for details.
|
||||
|
||||
|
||||
### Deduplication
|
||||
|
||||
VictoriaMetrics de-duplicates data points if `-dedup.minScrapeInterval` command-line flag
|
||||
@ -740,7 +711,6 @@ The de-duplication reduces disk space usage if multiple identically configured P
|
||||
write data to the same VictoriaMetrics instance. Note that these Prometheus instances must have identical
|
||||
`external_labels` section in their configs, so they write data to the same time series.
|
||||
|
||||
|
||||
### Retention
|
||||
|
||||
Retention is configured with `-retentionPeriod` command-line flag. For instance, `-retentionPeriod=3` means
|
||||
@ -750,7 +720,6 @@ Directories for months outside the configured retention are deleted on the first
|
||||
In order to keep data according to `-retentionPeriod` max disk space usage is going to be `-retentionPeriod` + 1 month.
|
||||
For example if `-retentionPeriod` is set to 1, data for January is deleted on March 1st.
|
||||
|
||||
|
||||
### Multiple retentions
|
||||
|
||||
Just start multiple VictoriaMetrics instances with distinct values for the following flags:
|
||||
@ -759,24 +728,22 @@ Just start multiple VictoriaMetrics instances with distinct values for the follo
|
||||
* `-storageDataPath`, so the data for each retention period is saved in a separate directory
|
||||
* `-httpListenAddr`, so clients may reach VictoriaMetrics instance with proper retention
|
||||
|
||||
|
||||
### Downsampling
|
||||
|
||||
There is no downsampling support at the moment, but:
|
||||
- VictoriaMetrics is optimized for querying big amounts of raw data. See benchmark results for heavy queries
|
||||
|
||||
* VictoriaMetrics is optimized for querying big amounts of raw data. See benchmark results for heavy queries
|
||||
in [this article](https://medium.com/@valyala/measuring-vertical-scalability-for-time-series-databases-in-google-cloud-92550d78d8ae).
|
||||
- VictoriaMetrics has good compression for on-disk data. See [this article](https://medium.com/@valyala/victoriametrics-achieving-better-compression-for-time-series-data-than-gorilla-317bc1f95932)
|
||||
* VictoriaMetrics has good compression for on-disk data. See [this article](https://medium.com/@valyala/victoriametrics-achieving-better-compression-for-time-series-data-than-gorilla-317bc1f95932)
|
||||
for details.
|
||||
|
||||
These properties reduce the need of downsampling. We plan to implement downsampling in the future.
|
||||
See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/36) for details.
|
||||
|
||||
|
||||
### Multi-tenancy
|
||||
|
||||
Single-node VictoriaMetrics doesn't support multi-tenancy. Use [cluster version](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster) instead.
|
||||
|
||||
|
||||
### Scalability and cluster version
|
||||
|
||||
Though single-node VictoriaMetrics cannot scale to multiple nodes, it is optimized for resource usage - storage size / bandwidth / IOPS, RAM, CPU.
|
||||
@ -787,15 +754,14 @@ So try single-node VictoriaMetrics at first and then [switch to cluster version]
|
||||
horizontally scalable long-term remote storage for really large Prometheus deployments.
|
||||
[Contact us](mailto:info@victoriametrics.com) for paid support.
|
||||
|
||||
|
||||
### Alerting
|
||||
|
||||
VictoriaMetrics doesn't support rule evaluation and alerting yet, so these actions can be performed at the following places:
|
||||
|
||||
* At Prometheus - see [the corresponding docs](https://prometheus.io/docs/alerting/overview/).
|
||||
* At Promxy - see [the corresponding docs](https://github.com/jacksontj/promxy/blob/master/README.md#how-do-i-use-alertingrecording-rules-in-promxy).
|
||||
* At Grafana - see [the corresponding docs](https://grafana.com/docs/alerting/rules/).
|
||||
|
||||
|
||||
### Security
|
||||
|
||||
Do not forget protecting sensitive endpoints in VictoriaMetrics when exposing it to untrusted networks such as the internet.
|
||||
@ -810,7 +776,6 @@ Consider setting the following command-line flags:
|
||||
Explicitly set internal network interface for TCP and UDP ports for data ingestion with Graphite and OpenTSDB formats.
|
||||
For example, substitute `-graphiteListenAddr=:2003` with `-graphiteListenAddr=<internal_iface_ip>:2003`.
|
||||
|
||||
|
||||
### Tuning
|
||||
|
||||
* There is no need for VictoriaMetrics tuning since it uses reasonable defaults for command-line flags,
|
||||
@ -823,11 +788,10 @@ For example, substitute `-graphiteListenAddr=:2003` with `-graphiteListenAddr=<i
|
||||
If you plan to store more than 1TB of data on `ext4` partition or plan extending it to more than 16TB,
|
||||
then the following options are recommended to pass to `mkfs.ext4`:
|
||||
|
||||
```
|
||||
```bash
|
||||
mkfs.ext4 ... -O 64bit,huge_file,extent -T huge
|
||||
```
|
||||
|
||||
|
||||
### Monitoring
|
||||
|
||||
VictoriaMetrics exports internal metrics in Prometheus format at `/metrics` page.
|
||||
@ -850,7 +814,6 @@ The most interesting metrics are:
|
||||
where `system_memory` is the amount of system memory and `-memory.allowedPercent` is the corresponding flag value.
|
||||
* `vm_rows_inserted_total` - the total number of inserted rows since VictoriaMetrics start.
|
||||
|
||||
|
||||
### Troubleshooting
|
||||
|
||||
* It is recommended to use default command-line flag values (i.e. don't set them explicitly) until the need
|
||||
@ -876,7 +839,6 @@ The most interesting metrics are:
|
||||
If this removes gaps on the graphs, then it is likely data with timestamps older than `-search.cacheTimestampOffset`
|
||||
is ingested into VictoriaMetrics. Make sure that data sources have synchronized time with VictoriaMetrics.
|
||||
|
||||
|
||||
### Backfilling
|
||||
|
||||
VictoriaMetrics accepts historical data in arbitrary order of time.
|
||||
@ -889,18 +851,19 @@ the current timestamps. Query cache can be enabled after the backfilling is comp
|
||||
An alternative solution is to query `/internal/resetRollupResultCache` url after backfilling is complete. This will reset
|
||||
the query cache, which could contain incomplete data cached during the backfilling.
|
||||
|
||||
|
||||
### Profiling
|
||||
|
||||
VictoriaMetrics provides handlers for collecting the following [Go profiles](https://blog.golang.org/profiling-go-programs):
|
||||
|
||||
- Memory profile. It can be collected with the following command:
|
||||
```
|
||||
* Memory profile. It can be collected with the following command:
|
||||
|
||||
```bash
|
||||
curl -s http://<victoria-metrics-host>:8428/debug/pprof/heap > mem.pprof
|
||||
```
|
||||
|
||||
- CPU profile. It can be collected with the following command:
|
||||
```
|
||||
* CPU profile. It can be collected with the following command:
|
||||
|
||||
```bash
|
||||
curl -s http://<victoria-metrics-host>:8428/debug/pprof/profile > cpu.pprof
|
||||
```
|
||||
|
||||
@ -908,7 +871,6 @@ The command for collecting CPU profile waits for 30 seconds before returning.
|
||||
|
||||
The collected profiles may be analyzed with [go tool pprof](https://github.com/google/pprof).
|
||||
|
||||
|
||||
## Integrations
|
||||
|
||||
* [netdata](https://github.com/netdata/netdata) can push data into VictoriaMetrics via `Prometheus remote_write API`.
|
||||
@ -917,65 +879,57 @@ The collected profiles may be analyzed with [go tool pprof](https://github.com/g
|
||||
See [this example](/blob/master/cmd/carbonapi/carbonapi.example.prometheus.yaml).
|
||||
* [Ansible role for installing VictoriaMetrics](https://github.com/dreamteam-gg/ansible-victoriametrics-role).
|
||||
|
||||
|
||||
## Roadmap
|
||||
|
||||
- [ ] Replication [#118](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/118)
|
||||
- [ ] Support of Object Storages (GCS, S3, Azure Storage) [#38](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/38)
|
||||
- [ ] Data downsampling [#36](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/36)
|
||||
- [ ] Alert Manager Integration [#119](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/119)
|
||||
- [ ] CLI tool for data migration, re-balancing and adding/removing nodes [#103](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/103)
|
||||
|
||||
* [ ] Replication [#118](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/118)
|
||||
* [ ] Support of Object Storages (GCS, S3, Azure Storage) [#38](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/38)
|
||||
* [ ] Data downsampling [#36](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/36)
|
||||
* [ ] Alert Manager Integration [#119](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/119)
|
||||
* [ ] CLI tool for data migration, re-balancing and adding/removing nodes [#103](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/103)
|
||||
|
||||
The discussion happens [here](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/129). Feel free to comment on any item or add you own one.
|
||||
|
||||
|
||||
## Contacts
|
||||
|
||||
Contact us with any questions regarding VictoriaMetrics at [info@victoriametrics.com](mailto:info@victoriametrics.com).
|
||||
|
||||
|
||||
## Community and contributions
|
||||
|
||||
Feel free asking any questions regarding VictoriaMetrics:
|
||||
|
||||
- [slack](http://slack.victoriametrics.com/)
|
||||
- [reddit](https://www.reddit.com/r/VictoriaMetrics/)
|
||||
- [telegram-en](https://t.me/VictoriaMetrics_en)
|
||||
- [telegram-ru](https://t.me/VictoriaMetrics_ru1)
|
||||
- [google groups](https://groups.google.com/forum/#!forum/victorametrics-users)
|
||||
|
||||
* [slack](http://slack.victoriametrics.com/)
|
||||
* [reddit](https://www.reddit.com/r/VictoriaMetrics/)
|
||||
* [telegram-en](https://t.me/VictoriaMetrics_en)
|
||||
* [telegram-ru](https://t.me/VictoriaMetrics_ru1)
|
||||
* [google groups](https://groups.google.com/forum/#!forum/victorametrics-users)
|
||||
|
||||
If you like VictoriaMetrics and want to contribute, then we need the following:
|
||||
|
||||
- Filing issues and feature requests [here](https://github.com/VictoriaMetrics/VictoriaMetrics/issues).
|
||||
- Spreading a word about VictoriaMetrics: conference talks, articles, comments, experience sharing with colleagues.
|
||||
- Updating documentation.
|
||||
* Filing issues and feature requests [here](https://github.com/VictoriaMetrics/VictoriaMetrics/issues).
|
||||
* Spreading a word about VictoriaMetrics: conference talks, articles, comments, experience sharing with colleagues.
|
||||
* Updating documentation.
|
||||
|
||||
We are open to third-party pull requests provided they follow [KISS design principle](https://en.wikipedia.org/wiki/KISS_principle):
|
||||
|
||||
- Prefer simple code and architecture.
|
||||
- Avoid complex abstractions.
|
||||
- Avoid magic code and fancy algorithms.
|
||||
- Avoid [big external dependencies](https://medium.com/@valyala/stripping-dependency-bloat-in-victoriametrics-docker-image-983fb5912b0d).
|
||||
- Minimize the number of moving parts in the distributed system.
|
||||
- Avoid automated decisions, which may hurt cluster availability, consistency or performance.
|
||||
* Prefer simple code and architecture.
|
||||
* Avoid complex abstractions.
|
||||
* Avoid magic code and fancy algorithms.
|
||||
* Avoid [big external dependencies](https://medium.com/@valyala/stripping-dependency-bloat-in-victoriametrics-docker-image-983fb5912b0d).
|
||||
* Minimize the number of moving parts in the distributed system.
|
||||
* Avoid automated decisions, which may hurt cluster availability, consistency or performance.
|
||||
|
||||
Adhering `KISS` principle simplifies the resulting code and architecture, so it can be reviewed, understood and verified by many people.
|
||||
|
||||
|
||||
## Third-party contributions
|
||||
|
||||
* [Unofficial yum repository](https://copr.fedorainfracloud.org/coprs/antonpatsev/VictoriaMetrics/) ([source code](https://github.com/patsevanton/victoriametrics-rpm))
|
||||
* [Prometheus -> VictoriaMetrics exporter #1](https://github.com/ryotarai/prometheus-tsdb-dump)
|
||||
* [Prometheus -> VictoriaMetrics exporter #2](https://github.com/AnchorFree/tsdb-remote-write)
|
||||
|
||||
|
||||
## Reporting bugs
|
||||
|
||||
Report bugs and propose new features [here](https://github.com/VictoriaMetrics/VictoriaMetrics/issues).
|
||||
|
||||
|
||||
## Victoria Metrics Logo
|
||||
|
||||
[Zip](VM_logo.zip) contains three folders with different image orientations (main color and inverted version).
|
||||
@ -986,22 +940,21 @@ Files included in each folder:
|
||||
* 2 PNG Preview files with transparent background
|
||||
* 2 EPS Adobe Illustrator EPS10 files
|
||||
|
||||
|
||||
### Logo Usage Guidelines
|
||||
|
||||
#### Font used:
|
||||
#### Font used
|
||||
|
||||
* Lato Black
|
||||
* Lato Regular
|
||||
|
||||
#### Color Palette:
|
||||
#### Color Palette
|
||||
|
||||
* HEX [#110f0f](https://www.color-hex.com/color/110f0f)
|
||||
* HEX [#ffffff](https://www.color-hex.com/color/ffffff)
|
||||
|
||||
### We kindly ask:
|
||||
### We kindly ask
|
||||
|
||||
- Please don't use any other font instead of suggested.
|
||||
- There should be sufficient clear space around the logo.
|
||||
- Do not change spacing, alignment, or relative locations of the design elements.
|
||||
- Do not change the proportions of any of the design elements or the design itself. You may resize as needed but must retain all proportions.
|
||||
* Please don't use any other font instead of suggested.
|
||||
* There should be sufficient clear space around the logo.
|
||||
* Do not change spacing, alignment, or relative locations of the design elements.
|
||||
* Do not change the proportions of any of the design elements or the design itself. You may resize as needed but must retain all proportions.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user