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Author SHA1 Message Date
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
Aliaksandr Valialkin
18fe0ff14b lib/storage: tune loopsCount estimations in getMetricIDsForTagFilterSlow 
The adjusted estmations give up to 2x lower median response times on 200qps /api/v1/query_range workload
 2021-03-07 21:12:35 +02:00
Aliaksandr Valialkin
ab4f090c63 lib/promscrape/discovery/kubernetes: reduce memory usage further when big number of scrape jobs are configured for the same kubernetes_sd_config role 
Serialize reloading per-role objects, so they don't occupy too much memory when objects for many scrape jobs are simultaneously refreshed.
Do not reload per-role objects if they were already refreshed by concurrent goroutines. This should reduce load on Kubernetes API server
when big number of scrape jobs are configured for the same Kubernetes role.

This is a follow-up for 17b87725ed

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1113
 2021-03-07 19:51:03 +02:00
Aliaksandr Valialkin
1187ee5e16 lib/decimal: prevent exponent overflow when processing values close to zero 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1114
 2021-03-05 18:52:47 +02:00
Aliaksandr Valialkin
47ac2051bb app/vmauth: allow using regexps in url_map paths 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1112
 2021-03-05 18:21:36 +02:00
Aliaksandr Valialkin
17b87725ed lib/promscrape/discovery/kubernetes: reduce memory usage when Kubernetes service discovery is configured on a big number of scrape jobs 
Previously vmagent was creating a separate Kubernetes object cache per each scrape job.
This could result in increased memory usage when monitoring a Kubernetes cluster with big number of objects (pods / nodes / services, etc.)
as seen at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1113

Now it uses a shared map of scrape objects across multiple scrape jobs.
 2021-03-05 17:29:55 +02:00
Aliaksandr Valialkin
c9a25e931b lib/promscrape/discovery/kubernetes: move apiWatcher code to a separate file 2021-03-05 12:36:05 +02:00
Aliaksandr Valialkin
536d59914a deployment/docker: update base Docker image from alpine:3.13.1 to alpine:3.13.2 
See https://www.alpinelinux.org/posts/Alpine-3.13.2-released.html
 2021-03-05 10:35:10 +02:00
Aliaksandr Valialkin
68b8c48c86 docs/Articles.md: add https://dalefro.medium.com/prometheus-victoria-metrics-on-aws-ecs-62448e266090 2021-03-05 09:06:44 +02:00
Aliaksandr Valialkin
444fca89f8 lib/promscrape: make cluster membership calculations consistent across 32-bit and 64-bit architectures 2021-03-05 09:06:17 +02:00
Aliaksandr Valialkin
a14053ffa0 app/vmselect/promql: add histogram_avg(), histogram_stddev() and histogram_stdvar() functions to MetricsQL 2021-03-04 14:12:07 +02:00
Aliaksandr Valialkin
423cd981fb lib/promscrape: add -promscrape.cluster.replicationFactor command-line flag for replicating scrape targets among vmagent instances in the cluster 2021-03-04 10:20:15 +02:00
Aliaksandr Valialkin
d962cdbc13 docs/Single-server-VictoriaMetrics.md: mention that VictoriaMetrics needs free resources for handling workload spikes 2021-03-04 09:57:53 +02:00
Aliaksandr Valialkin
9a48c1b53d lib/promscrape/discovery/kubernetes: fix tests after e154f4a644 2021-03-03 22:41:30 +02:00
Aliaksandr Valialkin
201b685b13 all: bump minimum supported Go version from 1.13 to 1.14 2021-03-03 15:57:13 +02:00
Aliaksandr Valialkin
90d6e94e5b vendor: update github.com/VictoriaMetrics/fastcache from v1.5.7 to v1.5.8 2021-03-03 15:52:51 +02:00
Aliaksandr Valialkin
f391e5a3a0 docs/vmagent.md: remove outdated suggestion for determining labels that lead to duplicate targets 
The original labels for duplicate targets is already printed in the error message starting from 71ea4935de
 2021-03-03 12:26:11 +02:00
Aliaksandr Valialkin
3a68b94487 docs/CHANGELOG.md: cut v1.55.1 release 2021-03-03 11:49:10 +02:00
Aliaksandr Valialkin
467cb9e3d1 docs/vmagent.md: make docs-sync after the commit 621bf03745 2021-03-03 10:52:40 +02:00
Roman Khavronenko
621bf03745
Vmagent docs upd (#1104) 
* vmagent: port changes from https://github.com/VictoriaMetrics/VictoriaMetrics.github.io/pull/1

Thanks to @dereksfoster99 for this patch!

* vmagent: reword to make the meaning clear
 2021-03-03 10:51:51 +02:00
Aliaksandr Valialkin
4c3ef78c05 docs/CHANGELOG.md: mention recent bugfixes from commits 7906316741 and e154f4a644 2021-03-03 10:50:31 +02:00
Aliaksandr Valialkin
e09a245b2b app/vmalert/README.md: sync with docs/vmalert.md 2021-03-03 10:43:59 +02:00
Nikolay
e154f4a644
Fix ingress discovery api (#1110) 2021-03-03 10:43:39 +02:00
Aliaksandr Valialkin
7906316741 lib/promscrape/discovery/kubernetes: properly check for nil pointer inside interface 
See https://mangatmodi.medium.com/go-check-nil-interface-the-right-way-d142776edef1

This fixes a panic when the ScrapeWork is filtered out in swcFunc.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1108
 2021-03-03 10:33:17 +02:00
Alexandros Orfanos
f4f8f21875
vmalert: docs update - status endpoint needs group ID, not group name (#1106) 2021-03-03 07:46:10 +00:00
Aliaksandr Valialkin
1252ca44d8 docs/CHANGELOG.md: cut v1.55.0 2021-03-02 21:37:58 +02:00
Aliaksandr Valialkin
d741794fab vendor: make vendor-update 2021-03-02 21:37:57 +02:00
Aliaksandr Valialkin
03dceb700d lib/promscrape: go fmt 2021-03-02 21:20:43 +02:00
Aliaksandr Valialkin
4de4da1e2a lib/storage: typo fix: umarshal -> unmarshal 2021-03-02 20:47:59 +02:00
Aliaksandr Valialkin
062211c61c lib/promscrape: pre-allocate space for a map in mergeLabels 
This should reduce the number of memory allocations when discovering big number of targets
 2021-03-02 18:41:58 +02:00
Aliaksandr Valialkin
d1d34664b5 lib/promscrape/discovery: properly track vm_promscrape_discovery_kubernetes_objects_removed_total metric 2021-03-02 18:32:54 +02:00
Aliaksandr Valialkin
a939667ce0 lib/promrelabel: remove unneded optimizations for labeldrop and labelkeep actions 
These optimizations may slow down code execution by matching the same label against regexp two times instead of a single time
 2021-03-02 17:55:43 +02:00
Aliaksandr Valialkin
6a7ef768ff lib/promscrape/discovery/kubernetes: cache ScrapeWork objects as soon as the corresponding k8s objects are changed 
This should reduce CPU usage and memory usage when Kubernetes contains tens of thousands of objects
 2021-03-02 16:42:55 +02:00
Aliaksandr Valialkin
22b1941cfc lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:46:26 +02:00
Nikolay
f6114345de
Adds webIndentity token for aws (#1099) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1080
 2021-03-02 13:27:09 +02:00
Aliaksandr Valialkin
937f382938 lib/protoparser/prometheus: properly unescape label values in Prometheus exposition format 
Unescape only `\n`, `\"` and `\\` sequences as Prometheus does. Other escape sequences shouldn't be unescaped.
 2021-03-02 13:21:43 +02:00
Aliaksandr Valialkin
019d8e88d8 lib/protoparser/graphite: fix parsing of a Graphite line with empty tags such as foo; 1 2 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1100
 2021-03-01 17:16:35 +02:00
Aliaksandr Valialkin
baefe5a8ad docs: actualize -help output 2021-03-01 17:01:27 +02:00
Aliaksandr Valialkin
2c43e846a9 docs/CHANGELOG.md: mention the out of range panic bugfix d6a41b6ea2 2021-03-01 16:54:24 +02:00
Aliaksandr Valialkin
d6a41b6ea2 vendor: update github.com/VictoriaMetrics/metrics from v1.15.1 to v1.15.2 
This should fix an edge case panic when 1e-9 value is passed to Histogram.Update

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1096
 2021-03-01 16:49:57 +02:00
Aliaksandr Valialkin
1a3689af9a lib/promscrape/discovery/kubernetes: deflake tests; a follow-up for 05fb08713c 2021-03-01 14:32:12 +02:00
Aliaksandr Valialkin
62ebf5c88e lib/promscrape: explicitly stop and cleanup service discovery routines when new config is read from -promscrape.config 
This should reduce memory usage when `-promscrape.config` file frequently changes
 2021-03-01 14:14:00 +02:00
Aliaksandr Valialkin
e32ad9e923 lib/promscrape: use target arg in ScrapeWork cache 2021-03-01 12:29:09 +02:00
Aliaksandr Valialkin
3792ea4065 .github/workflows/main.yml: update Go version from v1.15 to v1.16 2021-03-01 12:14:20 +02:00
Aliaksandr Valialkin
f5d77a7081 lib/promscrape: typo fix, which prevented from caching ScrapeWork entries 2021-03-01 12:12:56 +02:00