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576 commits

Author SHA1 Message Date
Aliaksandr Valialkin
9d8223eafb 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 19:01:14 +02:00
Aliaksandr Valialkin
0554430d7e 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 15:52:41 +02:00
Aliaksandr Valialkin
058aa0de75 docs/CHANGELOG.md: mention about improved query performance at 18fe0ff14b 2021-03-09 13:12:18 +02:00
Aliaksandr Valialkin
942890b1bb app/vmselect/promql: follow up for 433fff0006 2021-03-09 12:54:23 +02:00
Aliaksandr Valialkin
2c5ac00231 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 11:44:44 +02:00
John Belmonte
edf39aa225 spelling fix: adjacent (#1115) 2021-03-09 09:19:16 +02:00
Aliaksandr Valialkin
502fab797a 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 11:59:32 +02:00
Aliaksandr Valialkin
175466bb41 lib/decimal: prevent exponent overflow when processing values close to zero 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1114
 2021-03-05 18:53:41 +02:00
Aliaksandr Valialkin
26cb6f8861 app/vmauth: allow using regexps in url_map paths 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1112
 2021-03-05 18:53:40 +02:00
Aliaksandr Valialkin
5807ff57f3 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 17:32:33 +02:00
Aliaksandr Valialkin
dfac6b53f5 docs/Articles.md: add https://dalefro.medium.com/prometheus-victoria-metrics-on-aws-ecs-62448e266090 2021-03-05 09:07:22 +02:00
Aliaksandr Valialkin
5277507932 app/vmselect/promql: add histogram_avg(), histogram_stddev() and histogram_stdvar() functions to MetricsQL 2021-03-04 14:12:52 +02:00
Aliaksandr Valialkin
133fb9fc00 lib/promscrape: add -promscrape.cluster.replicationFactor command-line flag for replicating scrape targets among vmagent instances in the cluster 2021-03-04 10:21:27 +02:00
Aliaksandr Valialkin
0ce89b85d4 docs/Single-server-VictoriaMetrics.md: mention that VictoriaMetrics needs free resources for handling workload spikes 2021-03-04 10:21:26 +02:00
Aliaksandr Valialkin
d109e17f46 all: bump minimum supported Go version from 1.13 to 1.14 2021-03-03 15:58:17 +02:00
Aliaksandr Valialkin
3c11ce9356 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 12:28:50 +02:00
Aliaksandr Valialkin
0b8d9350d4 docs/CHANGELOG.md: cut v1.55.1 release 2021-03-03 11:49:26 +02:00
Aliaksandr Valialkin
b178f96ac2 docs/vmagent.md: make docs-sync after the commit 621bf03745 2021-03-03 10:53:43 +02:00
Aliaksandr Valialkin
3a79fa147b docs/CHANGELOG.md: mention recent bugfixes from commits 7906316741 and e154f4a644 2021-03-03 10:50:59 +02:00
Alexandros Orfanos
ff5b8346d4 vmalert: docs update - status endpoint needs group ID, not group name (#1106) 2021-03-03 10:42:54 +02:00
Aliaksandr Valialkin
3a1d884618 docs/CHANGELOG.md: cut v1.55.0 2021-03-02 21:39:53 +02:00
Aliaksandr Valialkin
f686174329 lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:47:35 +02:00
Aliaksandr Valialkin
e45c399467 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 13:22:10 +02:00
Aliaksandr Valialkin
f4969a624d 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 17:17:01 +02:00
Aliaksandr Valialkin
d9e8af0e8f docs: actualize -help output 2021-03-01 17:02:05 +02:00
Aliaksandr Valialkin
3a87d38912 docs/CHANGELOG.md: mention the out of range panic bugfix d6a41b6ea2 2021-03-01 16:54:18 +02:00
Aliaksandr Valialkin
57d2a27a64 docs/CHANGELOG.md: mention the issue related to using Kubernetes watch API for service discovery 2021-03-01 01:42:05 +02:00
Aliaksandr Valialkin
d0be1f6f49 app/vmagent: remove data race when applying rate limits to -remoteWrite.url with multiple queues 2021-03-01 00:28:20 +02:00
Aliaksandr Valialkin
17eb29206d docs/vmbackup.md: clarify docs on vmagent clustering 2021-02-28 21:59:55 +02:00
Aliaksandr Valialkin
0165063362 docs/CHANGELOG.md: mention about https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1074 2021-02-28 19:32:21 +02:00
Aliaksandr Valialkin
9e644ef111 lib/httpserver: make sure the gzipResponseWriter.Write() is called on Flush() and Close() calls 
This should fix the `http: superfluous response.WriteHeader call` issue

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1078
 2021-02-28 19:23:26 +02:00
Aliaksandr Valialkin
9a2bf65134 lib/promscrape: add ability to spread scrape targets among multiple vmagent instances 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1084
 2021-02-28 18:40:42 +02:00
Aliaksandr Valialkin
64b57c3ed3 docs/CHANGELOG.md: mention 317b0cbed2 2021-02-28 14:03:00 +02:00
Aliaksandr Valialkin
7f1302688f lib/fs: follow-up after f3a03c4164 2021-02-27 01:09:37 +02:00
Aliaksandr Valialkin
095e61a37f docs/CHANGELOG.md: mentioned a bugfix with extra_label handling during caching query results 
Related to 186c078fac
 2021-02-27 00:23:39 +02:00
Aliaksandr Valialkin
c1b8729bd8 lib/fs: properly handle stale NFS file handle error during file deletion 
This error can appear when -storageDataPath points to NFS volume and the given file has been already removed.
 2021-02-26 23:24:46 +02:00
Aliaksandr Valialkin
e38ca28d99 app/vmselect/promql: increase accuracy for buckets_limit() function for small limits by skipping the first and the last buckets during merge 
The first and the last buckets are usually `[0 ... leMin]` and `(leMax ... +Inf)`. If they are merged with adjancent buckets,
then the resulting accuracy can suffer.
 2021-02-26 22:56:04 +02:00
Aliaksandr Valialkin
dc8c045378 lib/promscrape: cleanup after 9b2246c29b 
Main points:

* Revert changes outside lib/promscrape/discovery/kuberntes . These changes can be applied later in a separate commit
* Minimize changes in lib/promscrape/discovery/kubernetes compared to a93e644001
* Corner case fixes.
 2021-02-26 19:09:12 +02:00
dereksfoster99
5b5254793d Alphabetized names and added "native speaker" spin. (#1093) 
Do we have the dates that each of these were written so that can be added next to each brand?
 2021-02-26 16:41:26 +02:00
dereksfoster99
1f088eb571 Native speaker edits. (#1088) 
I made an effort to not change anything substantive.
 2021-02-26 16:41:24 +02:00
Aliaksandr Valialkin
0144b164c7 app/vmselect: add sign(q) and clamp(q, min, max) functions, which will be added in the upcoming Prometheus release 
See https://twitter.com/roidelapluie/status/1363428376162295811

The `last_over_time(m[d])` function already exists in MetricsQL.
 2021-02-24 17:26:27 +02:00
Aliaksandr Valialkin
0c76828ba6 docs/CHANGELOG.md: mention about a bugfix from 4805b80977 2021-02-24 11:48:54 +02:00
Aliaksandr Valialkin
d16effc29e app/vmselect/promql: properly calculate histogram_quantile() over zero buckets and only a single non-zero le="+Inf"` bucket like Prometheus does 2021-02-24 00:41:30 +02:00
Aliaksandr Valialkin
5dbe88a1c6 app/vmselect/promql: add increase_pure() function to MetricsQL 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962
 2021-02-22 19:15:31 +02:00
Aliaksandr Valialkin
07effa77d9 app/vmselect/graphite: support Storage-Step header value and storage_step query arg at /render API 2021-02-22 18:33:51 +02:00
Aliaksandr Valialkin
63c16c3fdf lib/promrelabel: optimize relabeling performance for common cases 2021-02-22 00:51:07 +02:00
Aliaksandr Valialkin
8b87398333 lib/promscrape: export vm_promscrape_target_relabel_duration_seconds metric 2021-02-21 23:21:35 +02:00
Aliaksandr Valialkin
1adbbe7617 vendor: update github.com/VictoriaMetrics/metrics from v1.14.0 to v1.15.0 
The v1.15.0 exports the following additional metrics:

    process_io_read_bytes_total - the number of bytes read via io syscalls such as read and pread
    process_io_written_bytes_total - the number of bytes written via io syscalls such as write and pwrite
    process_io_read_syscalls_total - the number of read syscalls such as read and pread
    process_io_write_syscalls_total - the number of write syscalls such as write and pwrite
    process_io_storage_read_bytes_total - the number of bytes read from storage layer
    process_io_storage_written_bytes_total - the number of bytes written to storage layer

These metrics can be used for monitoring process io
 2021-02-21 22:53:54 +02:00
Aliaksandr Valialkin
72eef964d9 app/vmagent: properly perform graceful shutdown, which was broken in the commit 1d1ba889fe 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1065
 2021-02-19 00:34:17 +02:00
Aliaksandr Valialkin
41d3ff4f2b app/vmagent: fix scrape config example for scrape_align_interval option 2021-02-18 23:57:45 +02:00