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926 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
ca61d7c82b lib/promscrape/discovery/kubernetes: rename role: endpointslices to role: endpointslice to be consistent with Prometheus 
See 2ec6c7dbb8/discovery/kubernetes/kubernetes.go (L99)
 2021-08-29 11:23:59 +03:00
Aliaksandr Valialkin
327034b54f lib/promscrape/discovery/kubernetes: use v1 API instead of v1beta1 API for role: ingress and role: endpointslices 
This should fix service discovery for these roles in Kubernetes v1.22 and newer versions.
See https://kubernetes.io/docs/reference/using-api/deprecation-guide/#ingress-v122

The corresponding change in Prometheus - https://github.com/prometheus/prometheus/pull/9205
 2021-08-29 11:23:58 +03:00
Aliaksandr Valialkin
0e809bd4b6 docs/Single-server-VictoriaMetrics.md: mention that downsampling doesnt improve query performance on high churn rate 2021-08-27 18:51:28 +03:00
Aliaksandr Valialkin
39bb6bdd79 app/vmselect/promql: add quantile("phiLabel", phi1, ..., phiN, q) aggregate function to MetricsQL 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1573
 2021-08-27 18:40:25 +03:00
Aliaksandr Valialkin
14d4b5aa83 app/vmselect: add -search.disableAutoCacheReset command-line option for disabling automatic cache reset when a sample with old timestamp outside -search.cacheTimestampOffset is inserted 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1570
 2021-08-27 17:17:43 +03:00
Aliaksandr Valialkin
6e5864b014 docs/{vmgateway,vmbackupmanager}: mention that enterprise binaries are free for download and evaluation 2021-08-27 14:53:48 +03:00
Aliaksandr Valialkin
adf71a415e docs: link to active time series, churn rate and high cardinality questions 2021-08-27 14:45:36 +03:00
Aliaksandr Valialkin
1a7646c142 docs/CHANGELOG.md: document the bugfix for possible timeout error in vmbackupmanager when making snapshots 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1571
 2021-08-27 13:04:33 +03:00
Aliaksandr Valialkin
125a94e6ca docs: mention that enterprise binaries can be downloaded and evaluated for free 2021-08-27 12:48:51 +03:00
Aliaksandr Valialkin
102ab795f8 docs/vmagent.md: document the ability to load scrape configs from multiple files 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1559
 2021-08-26 09:13:54 +03:00
Aliaksandr Valialkin
7fdb4db73d lib/promscrape: add ability to load scrape configs from multiple files 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1559
 2021-08-26 08:51:53 +03:00
Aliaksandr Valialkin
8d843d0754 docs/CHANGELOG.md: document 48f33d098b 2021-08-25 13:32:05 +03:00
Aliaksandr Valialkin
874660a4ae docs/Cluster-VictoriaMetrics.md: mention that the -replicationFactor at vmselect is an optional parameter 2021-08-25 13:10:31 +03:00
Aliaksandr Valialkin
4a2d7aec7f lib/promscrape: expose promscrape_discovery_http_errors_total metric for tracking errors per each http_sd config 2021-08-25 13:05:29 +03:00
Aliaksandr Valialkin
b885bd9b7d lib/{mergeset,storage}: improve the detection of the needed free space for background merge 
This should prevent from possible out of disk space crashes during big merges.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1560
 2021-08-25 10:01:09 +03:00
Aliaksandr Valialkin
ae8ec78c63 docs/FAQ.md: add more entries for frequently asked questions 
The following topics are covered:

* Active time series
* High cardinality
* High churn rate
* Slow inserts
 2021-08-24 11:34:31 +03:00
Aliaksandr Valialkin
9b39e078c0 docs/MetricsQL.md: typo fix: histogram_qunatile -> histogram_quantile 2021-08-23 23:08:28 +03:00
Aliaksandr Valialkin
3eca49c4a6 docs/MetricsQL.md: fix the indentation for median function 2021-08-23 12:04:43 +03:00
Aliaksandr Valialkin
a4948d92b5 docs/MetricsQL.md: typo fix: convesions->conversions 2021-08-23 12:01:34 +03:00
Aliaksandr Valialkin
8b9dc45c3c docs/MetricsQL.md: typo fixes 2021-08-23 12:00:17 +03:00
Aliaksandr Valialkin
5917c72ddd docs/MetricsQL.md: rehaul the documentation on MetricsQL 
* Document all the functions supported by MetricsQL, including PromQL functions
* Group functions by their type: rollup functions, transform functions, label manipulation functions and aggregate functions.
* Document implicit query transformations.
 2021-08-23 11:46:30 +03:00
Aliaksandr Valialkin
40b06e84f8 app/vmselect/promql: rename sign() function to sgn() in order to be consistent with Prometheus 
See https://github.com/prometheus/prometheus/pull/8457 for details.
 2021-08-23 11:46:29 +03:00
Aliaksandr Valialkin
8493159eed deployment/docker: update Go builder from Go1.16.7 to Go1.17.0 
This improves data ingestion and query performance by up to 5% according to benchmarks.

See https://go.dev/blog/go1.17
 2021-08-21 22:22:31 +03:00
Aliaksandr Valialkin
67bc407747 lib/promscrape: reduce memory and CPU usage when Prometheus staleness tracking is enabled for metrics from deleted / disappeared scrape targets 
Store the scraped response body instead of storing the parsed and relabeld metrics.
This should reduce memory usage, since the response body takes less memory than the parsed and relabeled metrics.
This is especially true for Kubernetes service discovery, which adds many long labels for all the scraped metrics.

This should also reduce CPU usage, since the marshaling of the parsed
and relabeld metrics has been substituted by response body copying.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
 2021-08-21 21:24:07 +03:00
Aliaksandr Valialkin
ff4c7c1a3d docs/vmalert.md: run make docs-sync after 9ee3d0378f 2021-08-21 20:25:26 +03:00
Aliaksandr Valialkin
388e07b37f docs/CHANGELOG.md: document 9ee3d0378f 2021-08-21 20:23:22 +03:00
Aliaksandr Valialkin
3454f25e0f docs/CHANGELOG.md: document b5d6a0e499 2021-08-19 14:07:00 +03:00
Aliaksandr Valialkin
2e1eb33bfd docs/CHANGELOG.md: clarify the change, which adds -search.noStaleMarkers command-line flag 2021-08-19 13:55:43 +03:00
Aliaksandr Valialkin
ee1f3414d1 app/vmselect/promql: do not override [d] at last_over_time(m[d]) if [d] is smaller than scrape_interval 
Since most users do not expect the overriding of explicitly set `[d]`.
 2021-08-19 10:33:10 +03:00
Aliaksandr Valialkin
47a37b8cfc docs/CHANGELOG.md: cut v1.64.1 
This is mostly bugfix release, which includes fixes for staleness handling and a security update for Alpine base image
 2021-08-18 22:07:05 +03:00
Aliaksandr Valialkin
8ee575dee9 lib/promscrape: send stale markers for the previously scraped metrics on failed scrapes like Prometheus does 2021-08-18 22:00:46 +03:00
Aliaksandr Valialkin
355690a719 docs/CHANGELOG.md: document 06bf21c21b 2021-08-18 14:01:42 +03:00
Aliaksandr Valialkin
5d92fafc40 app/vmselect: add -search.noStaleMarkers command-line flag for disabling stale markers handling in queries 
This option allows reducing CPU usage a bit when VictoriaMetrics is used
for collecting and processing non-Prometheus data. For example, InfluxDB line protocol, Graphite, OpenTSDB, CSV, etc.
 2021-08-18 13:58:06 +03:00
Aliaksandr Valialkin
f21fad53b4 lib/promscrape: add ability to disable sending Prometheus staleness markers with -promscrape.disableStaleMarkers command-line flag 
This option can be useful when vmagent consumes too much additional memory
for staleness markers functionality and when staleness markers aren't needed.
 2021-08-18 13:58:05 +03:00
Aliaksandr Valialkin
49886ecbc8 app/vmselect/promql: add bitmap_and(), bitmap_or() and bitmap_xor() functions to MetricsQL 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1541
 2021-08-17 13:22:15 +03:00
Aliaksandr Valialkin
130a5cab7e docs/Single-server-VictoriaMetrics.md: mention that vmctl can migrate data from OpenTSDB to VictoriaMetrics 2021-08-17 11:17:38 +03:00
Aliaksandr Valialkin
db34c40aec lib/promscrape: stop scrapers for the removed targets before starting scrapers for the added targets 
This should prevent from possible time series overlap when old target is substituted by new target (for example, during Kubernetes deployments).

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1530
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1509
 2021-08-17 01:00:40 +03:00
Aliaksandr Valialkin
fe8c462044 app/vmalert: mention -remoteWrite.disablePathAppend in the description for -remoteWrite.url 2021-08-16 15:23:39 +03:00
Aliaksandr Valialkin
21974cb571 app/vmalert: follow-up for 2400f85761 2021-08-16 15:20:35 +03:00
Aliaksandr Valialkin
a47c1a734a docs/CHANGELOG.md: update urls to Prometheus 2.29 release 
Previously these urls were pointing to rc0 release
 2021-08-16 14:58:05 +03:00
Aliaksandr Valialkin
f05e827757 docs/CHANGELOG.md: typo fix: satureated -> saturated 2021-08-16 14:58:05 +03:00
Alexander Rickardsson
d27dc3721b vmalert: enable configuring explicit path (#1536) 
* vmalert: allow to disable automatically added path to remote write address via disablePathAppend flag
* docs: update docs to include remoteWrite.disablePathAppend
 2021-08-16 14:58:05 +03:00
Aliaksandr Valialkin
75a0345215 docs/CHANGELOG.md: cut v1.64.0 2021-08-15 23:52:24 +03:00
Aliaksandr Valialkin
5f13c519ee lib/promscrape: restore red highlighting for DOWN targets at /targets page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1461
 2021-08-15 16:04:33 +03:00
Aliaksandr Valialkin
175727dace docs/CHANGELOG.md: mention the bugfix when more than 27 time series are selected at /vmui 2021-08-15 15:11:13 +03:00
Aliaksandr Valialkin
b09b035d3e docs/CHANGELOG.md: mention that VMUI automatically fills Server URL field 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1506
 2021-08-15 14:45:59 +03:00
Aliaksandr Valialkin
48920bdef8 app/vmagent/remotewrite: expose vmagent_remotewrite_send_duration_seconds_total metric 
This metric can be used for determining high saturation of every connection to remote storage with
an alerting query `rate(vmagent_remotewrite_send_duration_seconds_total) > 0.9s`.
This query triggers when a connection is satureated by more than 90%
 2021-08-15 13:34:07 +03:00
Aliaksandr Valialkin
c1f81f08d4 all: add support for Prometheus staleness markers 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1509
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1530
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
 2021-08-13 12:13:15 +03:00
Aliaksandr Valialkin
7feb62eea9 docs/Cluster-VictoriaMetrics.md: meniton that vmagent can be used for replicating the data among multiple clusters 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1491
 2021-08-12 12:47:08 +03:00
Denys Holius
1491767a9e added guide for HA monitoring setup in K8s via VM Cluster (#1523) 
* added guide for HA monitoring setup in K8s via VM Cluster

* fixed missed divs

* fixed different typos

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* Update docs/guides/k8s-ha-monitoring-via-vm-cluster.md

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>
 2021-08-11 13:42:53 +03:00