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Author SHA1 Message Date
Aliaksandr Valialkin
3ccf7ea20c lib/storage: tune per-day index search 2021-03-15 13:31:55 +02:00
Aliaksandr Valialkin
2dae0a2c47 app/vmselect: add round_digits query arg to /api/v1/query and /api/v1/query_range handlers for limiting the number of decimal digits after the point 2021-03-15 12:36:33 +02:00
Roman Khavronenko
b457739f87
Single dashboard (#1126) 
* dashboard: update single node dashboard

* add panel `Open FDs` for file descriptors metrics;
* add panel `Disk writes/reads` to show the real read/write
load on storage layer;
* add `process_resident_memory_bytes` metric to memory usage panel;
* add stats panel to show available CPUs, memory and disk space;
* rm flags panel since it didn't prove its usefulness.

* alerts: add alert for reaching FDs limit
 2021-03-15 12:04:24 +02:00
Aliaksandr Valialkin
6d91842c83 docs/Cluster-VictoriaMetrics.md: sync with cluster README.md 2021-03-15 11:51:40 +02:00
Aliaksandr Valialkin
c14dafce43 lib/promscrape: an attempt to reduce memory usage when vmagent scrapes targets with varying number of metrics 
Do not cache too big byte buffers and too big writeRequestCtx objects,
since it is cheaper to re-create them instead of wasting RAM for their caching.

This reverts 7f6f350ee1
 2021-03-15 11:45:39 +02:00
Aliaksandr Valialkin
7f6f350ee1 lib/promscrape: return back the logic for flushing big buffers to storage from the commit 3fd8653b40 
This should reduce memory usage when vmagent scrapes targets with big number of metrics and `-promscrape.streamParse` isn't enabled
 2021-03-14 22:26:00 +02:00
Aliaksandr Valialkin
b88806ecbf lib/promscrape/discovery/kubernetes: do not start object watcher until initial objects are loaded 2021-03-14 21:55:00 +02:00
Aliaksandr Valialkin
83edbb7cab lib/promscrape: retry service discovery in a few seconds if it starts returning 0 targets 
This should reduce recovery time from temporary issues during service discovery
 2021-03-14 21:53:23 +02:00
Aliaksandr Valialkin
bf15d6a6a2 lib/promscrape: remove duplicate target word in error message 2021-03-14 21:52:02 +02:00
Aliaksandr Valialkin
d409898515 lib/promscrape/discovery/kubernetes: further optimize kubernetes service discovery for the case with many scrape jobs 
Do not re-calculate labels per each scrape job - reuse them instead for scrape jobs with identical Kubernetes role

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1113
 2021-03-14 21:14:53 +02:00
Aliaksandr Valialkin
7a16e8e3a2 lib/promscrape/discovery: fixes after 133b288681 
- Removed a deadlock in addAPIWatcher
- Do not create unused ScrapeWork objects
- Do not spend CPU resources on creating objectByKey map in addAPIWatcher

This work is based on https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1125
 2021-03-13 15:18:51 +02:00
Aliaksandr Valialkin
2096c6e464 app/vmselect/prometheus: typo fix after 7c002023d7 2021-03-12 12:19:36 +02:00
Aliaksandr Valialkin
7c002023d7 app/vmselect/prometheus: do not include datapoints with timestamps matching t-d when returning results from /api/v1/query?query=m[d]&time=t as Prometheus does 2021-03-12 12:16:50 +02:00
Aliaksandr Valialkin
43552fa8d3 docs/CaseStudies.md: fix incorrect number of active time series for Zhihu 2021-03-12 11:45:38 +02:00
Aliaksandr Valialkin
def014eb75 lib/promscrape/discovery/kubernetes: remove debug lines left after the commit 133b288681 2021-03-12 11:22:33 +02:00
Aliaksandr Valialkin
ca4d5ce037 lib/proxy: there is no need in cloning tlsCfg, which has been created two lines above 2021-03-12 10:47:02 +02:00
Aliaksandr Valialkin
895d5d1355 lib/proxy: set proxy address in tls.Config.ServerName instead of the target address 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116
 2021-03-12 10:41:33 +02:00
Aliaksandr Valialkin
a6a71ef861 lib/promscrape: add ability to configure proxy options via proxy_tls_config, proxy_basic_auth, proxy_bearer_token and proxy_bearer_token_file 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116
 2021-03-12 03:36:19 +02:00
Aliaksandr Valialkin
fa448806a5 deployment/docker: update Go builder from 1.16.1 to 1.16.2 
See https://github.com/golang/go/issues?q=milestone%3AGo1.16.2+label%3ACherryPickApproved
 2021-03-12 01:53:48 +02:00
Aliaksandr Valialkin
f3d712724c docs/Articles.md: add https://www.sensedia.com/post/monitoring-with-prometheus-alertmanager 2021-03-12 01:22:51 +02:00
Aliaksandr Valialkin
f669531506 lib/storage: further tune filters sorting logic 2021-03-12 00:53:04 +02:00
Aliaksandr Valialkin
133b288681 lib/promscrape/discovery/kubernetes: use a single watcher per apiURL 
Previously multiple scrape jobs could create multiple watchers for the same apiURL. Now only a single watcher is used.
This should reduce load on Kubernetes API server when many scrape job configs use Kubernetes service discovery.
 2021-03-11 16:43:04 +02:00
Aliaksandr Valialkin
dc0cb54d41 deployment/docker: update Go builder from 1.16.0 to 1.16.1 
See https://github.com/golang/go/issues?q=milestone%3AGo1.16.1+label%3ACherryPickApproved
 2021-03-11 16:43:03 +02:00
Aliaksandr Valialkin
c0ac740f93 lib/proxy: do not show inline basic auth passwords when logging errors related to proxy_url 2021-03-11 13:43:36 +02:00
Aliaksandr Valialkin
bebcb8130c lib/promscrape/discovery/kubernetes: localize Bookmark parsing code 
This is a follow-up for e772d1c920
 2021-03-11 13:08:08 +02:00
Aliaksandr Valialkin
971e3d83f7 docs/ExttendedPromQL.md: remove outdated doc 2021-03-11 12:41:20 +02:00
Brensted
238fe7d4e8
Update BestPractices.md (#1123) 
update lists, hyperlinks fixed.
 2021-03-11 11:39:14 +02:00
Aliaksandr Valialkin
e772d1c920 lib/promscrape/discovery/kubernetes: reduce load on Kubernetes API server by using watch bookmarks 
This allows continuing object watch from the last bookbark instead of reloading all the objects
on watch errors or timeouts.

See https://kubernetes.io/docs/reference/using-api/api-concepts/#watch-bookmarks
 2021-03-10 15:06:35 +02:00
Aliaksandr Valialkin
bc5c4add89 lib/httpserver: export vm_available_memory_bytes and vm_available_cpu_cores metrics 
These metrics are useful for tracking the available memory and CPU cores for VictoriaMetrics apps.
 2021-03-10 12:02:42 +02:00
Brensted
e02265cfa7
Add files via upload 2021-03-10 10:16:59 +02:00
Brensted
314f28fb38
Add files via upload 2021-03-10 10:14:34 +02:00
Brensted
45ede6ba98
Add files via upload 2021-03-10 10:08:38 +02:00
Brensted
09dc49e942
Add files via upload 2021-03-10 10:06:49 +02:00
Brensted
96dbe9bcbd
Add files via upload 2021-03-10 10:05:18 +02:00
Ihor Borodin
d212f35ae8
Fixing examples of external.alert.source in documentation (#1120) 
* Fixing examples of external.alert.source in documentation
 2021-03-09 20:49:50 +00:00
Aliaksandr Valialkin
48fb0d1c4b vendor: update github.com/VictoriaMetrics/fasthttp from v1.0.13 to v1.0.14 2021-03-09 21:34:07 +02:00
Aliaksandr Valialkin
2728b25783 docs/CHANGELOG.md: mention about the bugfix from 787242d7b0 2021-03-09 20:56:06 +02:00
Aliaksandr Valialkin
787242d7b0 lib/proxy: pass proxy hostname in Host header of the CONNECT request 
This should resolve the following issue when connecting to tls proxy:

  cannot validate certificate for ... because it doesn't contain any IP SANs
 2021-03-09 20:39:40 +02:00
Aliaksandr Valialkin
36fd007247 lib/proxy: set missing ServerName in TLS config for proxy_url. 
While at it, allow setting Proxy-Authorization for `proxy_url` via `basic_auth` and `bearer_token` configs.
 2021-03-09 18:58:18 +02:00
Nikolay
ad34f42467
Changes tlsConfig init for proxy connections (#1121) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116
 2021-03-09 18:51:00 +02:00
Aliaksandr Valialkin
3fd8653b40 lib/promscrape: apply sample_limit after metric relabeling is applied as Prometheus does 
See the description for `sample_limit` option from Prometheus docs:

Per-scrape limit on number of scraped samples that will be accepted.
If more than this number of samples are present after metric relabeling
the entire scrape will be treated as failed. 0 means no limit.

https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config
 2021-03-09 15:47:18 +02:00
Aliaksandr Valialkin
4b18a4f026 lib/promscrape/discovery/kubernetes: remove too verbose logs about starting and stopping the watchers 
Log the number of objects loaded per each watch url

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1113
 2021-03-09 15:05:14 +02:00
Aliaksandr Valialkin
e44532b760 docs/CHANGELOG.md: mention about improved query performance at 18fe0ff14b 2021-03-09 13:12:25 +02:00
Aliaksandr Valialkin
fe8b12fbad app/vmselect/promql: follow up for 433fff0006 2021-03-09 12:48:44 +02:00
Nikolay
433fff0006
duplicate timeseries fix for prometheus_buckets function (#1119) 
* try fix for prometheus_buckets

* merge possible end of the bucket collision
 2021-03-09 12:26:23 +02:00
Aliaksandr Valialkin
534944b671 vendor: make vendor-update 2021-03-09 12:01:55 +02:00
Aliaksandr Valialkin
f6878eac36 vendor: update github.com/VictoriaMetrics/fasthttp from 1.0.12 to 1.0.13 
This should fix a bug in vmagent with high CPU usage during failed scrapes with small `scrape_timeout`.
 2021-03-09 11:45:02 +02:00
John Belmonte
364fdf4a56
spelling fix: adjacent (#1115) 2021-03-09 09:18:19 +02:00
Aliaksandr Valialkin
14a399dd06 lib/promscrape: add scrape_offset option to scrape_config 
This option can be used for specifying the particular offset per each scrape interval for target scraping
 2021-03-08 12:03:33 +02:00
Aliaksandr Valialkin
345980f78f lib/storage: go fmt 2021-03-08 12:03:31 +02:00