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Author SHA1 Message Date
Aliaksandr Valialkin
2eb9ec4476
docs/CHANGELOG.md: fix formatting for scrape_configs example 2022-01-14 01:03:02 +02:00
Aliaksandr Valialkin
da95516a1f
lib/promscrape: expose promscrape_stale_samples_created_total metric for monitoring the number of created stale samples 2022-01-14 01:00:40 +02:00
Aliaksandr Valialkin
755779adb7
app/vmalert: add parseDuration function in the same way as Prometheus does 
See https://github.com/prometheus/prometheus/pull/8817
 2022-01-13 23:30:56 +02:00
Aliaksandr Valialkin
dd91759f1f
lib/promscrape/discovery/kubernetes: add __meta_kubernetes_node_provider_id label for discovered Kubernetes nodes in the same way as Prometheus does 
See https://github.com/prometheus/prometheus/pull/9603
 2022-01-13 23:17:24 +02:00
Aliaksandr Valialkin
0f81ecd7df
app/vmalert: add stripPort template function in the same way as Prometheus does 
See https://github.com/prometheus/prometheus/pull/10002
 2022-01-13 22:54:46 +02:00
Aliaksandr Valialkin
bc18368c15
lib/promscrape/discovery/kubernetes: add the ability to limit service discovery to the current namespace 
See https://github.com/prometheus/prometheus/issues/9782 and https://github.com/prometheus/prometheus/pull/9881
 2022-01-13 22:44:59 +02:00
Aliaksandr Valialkin
0580a58feb
app/vmselect/promql: add support for @ modifier 
Add support for `@` modifier in MetricsQL according to https://prometheus.io/docs/prometheus/latest/querying/basics/#modifier

Extend the support with the following features:
* Allow using `@` modifier everywhere in the query. For example, `sum(foo) @ end()`
* Allow using arbitrary expression as `@` modifier. For example, `foo @ (end() - 1h)`
  returns `foo` value at `end - 1 hour` timestamp on the selected time range `[start ... end]`

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1348
 2022-01-13 22:15:19 +02:00
Aliaksandr Valialkin
de8299f465
lib/promscrape/discovery/dockerswarm: follow up after 68a117a25a 
- Document the bugfix at docs/CHANGELOG.md
- Set __address__ field after copying commonLabels to the resulting map of discovered labels.
  This makes sure that the correct __address__ label is used.
 2022-01-11 09:22:03 +02:00
Aliaksandr Valialkin
21e5e90d75
docs/CHANGELOG.md: document 77bfa8181d 2022-01-11 08:56:02 +02:00
Aliaksandr Valialkin
7509780cc0
docs/CHANGELOG.md: add release dates for every release 2022-01-07 12:28:01 +02:00
Aliaksandr Valialkin
fa89f3e5a5
lib/promscrape: do not send staleness markers on graceful shutdown 
This follows Prometheus behavior.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2013#issuecomment-1006994079
 2022-01-07 01:19:06 +02:00
Denys Holius
3a522c591a
Old links replaced for newest (#2033) 
* replaced old links to the website

* fixed deletion main README.md file

* fix: added docs files after docs-sync
 2022-01-05 16:32:54 +02:00
Aliaksandr Valialkin
c91df022cc
docs/CHANGELOG.md: clarify the issue description, which is fixed by 38bf5fc136 2022-01-05 16:19:32 +02:00
Aliaksandr Valialkin
80fc3fda07
lib/storage: follow-up for 38bf5fc136 2022-01-05 16:02:17 +02:00
Aliaksandr Valialkin
c29ce8acef
docs/CHANGELOG.md: document 60266078ca 2022-01-04 11:48:23 +02:00
Aliaksandr Valialkin
276cccb888
docs/CHANGELOG.md: document ac47733044 2022-01-03 21:16:19 +02:00
Aliaksandr Valialkin
b18d80c247
docs/CHANGELOG.md: document 543bd0ea0c 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1999
 2021-12-23 12:08:41 +02:00
Aliaksandr Valialkin
c1722003a2
lib/promscrape: scrape replicated targets at different offsets in vmagent replicated clustering mode 
This guarantees that the deduplication consistently leaves samples from the same vmagent replica.

See https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets
 2021-12-23 00:21:41 +02:00
Nikolay
6cdc934c3d
adds restore.lock (#1988) 
* adds restore.lock
it must prevent from running storage after incomplete restore process
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1958

* return back flock file deletion

* Apply suggestions from code review

* wip

* docs/CHANGELOG.md: document https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1958

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-12-22 13:10:56 +02:00
Aliaksandr Valialkin
c61aa01c71
docs/CHANGELOG.md: document 34fdc8881b 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1911
 2021-12-21 16:42:38 +02:00
Aliaksandr Valialkin
28a0d3faaa
docs/CHANGELOG.md: cut v1.71.0 2021-12-20 19:10:38 +02:00
Aliaksandr Valialkin
3396f08874
app/vmselect/promql: follow-up after 177e345d8a 
* Document changes_prometheus(), increase_prometheus() and delta_prometheus() functions.
* Simplify their implementation
* Mention these functions in docs/CHANGELOG.md
 2021-12-20 13:15:06 +02:00
Aliaksandr Valialkin
c446858d08
docs/CHANGELOG.md: document 6814cc6809 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1943
 2021-12-17 20:17:09 +02:00
Aliaksandr Valialkin
d9f075622b
app/vmselect: de-duplicate data exported via /api/v1/export/csv by default 
Previously the exported data wasn't de-duplicated.
Now it is possible to export the raw data without deduplication
by passing reduce_mem_usage=1 query arg to /api/v1/export/csv

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1837
 2021-12-17 11:52:42 +02:00
Aliaksandr Valialkin
5bd4e47a9e
lib/promscrape: allow up to 5 redirects when scraping a target by default 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1945
 2021-12-16 00:14:45 +02:00
Aliaksandr Valialkin
c170841951
app/vmselect/promql: add timestamp_with_name(m[d]) function 
This function works the same as `timestamp()`, but doesn't remove source time series names.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949#issuecomment-995222388
 2021-12-15 23:38:09 +02:00
Aliaksandr Valialkin
3b8a300588
docs: document the added dowsnampling support in VictoriaMetrics enterprise 2021-12-15 16:25:32 +02:00
Aliaksandr Valialkin
d36fdbe537
lib/storage: deduplicate samples more thoroughly 
Previously some duplicate samples may be left on disk for time series with high churn rate.
This may result in higher disk space usage.
 2021-12-15 16:00:30 +02:00
Aliaksandr Valialkin
c922c7af9a
lib/storage: convert alternate regexps into Graphite wildcards inside __graphite__ pseudo-label 
For example, `{__graphite__=~"foo.(bar|baz)"}` is automatically converted to `{__graphite__=~"foo.{bar,baz}"}` before execution.
This allows using multi-value Grafana template variables such as `{__graphite__=~"foo.($app)"}`.
 2021-12-14 19:55:59 +02:00
Aliaksandr Valialkin
eedc2aac08
docs/CHANGELOG.md: link to the issue about unaligned 64-bit atomic opertion panic on 32-bit architectures 2021-12-14 15:00:46 +02:00
Aliaksandr Valialkin
d02553831d
docs/CHANGELOG.md: an attempt to properly show $labels.alertname at https://docs.victoriametrics.com/CHANGELOG.html 2021-12-14 14:57:03 +02:00
Yury Molodov
b3389ce26b
vmui: custom step (#1942) 
* feat: add a label for the Query field

* fix: change zoom position

* fix: add description and error code to alerts

* fix: correct logic query history

* fix: correct update query history

* feat: add custom step

* update package-lock.json

* docs: document that VMUI now supports overriding of `step` query arg, which is passed to `/api/v1/query_range`

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-12-14 14:52:44 +02:00
Yury Molodov
28655e8eb8
vmui: minor fixes (#1936) 
* feat: add a label for the Query field

* fix: change zoom position

* fix: add description and error code to alerts

* fix: correct logic query history

* fix: correct update query history

* app/vmselect/vmui: `make vmui-update`

* docs/CHANGELOG.md: document bugfixes

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-12-13 13:44:32 +02:00
Aliaksandr Valialkin
7b38507fc1
docs/CHANGELOG.md: document 7c3b6365f0 2021-12-12 19:10:58 +02:00
Aliaksandr Valialkin
addae7fc6a
app/vmselect/promql: preserve the order of time series passed to limit_offset() function 
Previously time series passed to `limit_offset()` were shuffled according to hash for their labels.
This was unexpected behaviour for most users.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1920 and https://github.com/VictoriaMetrics/VictoriaMetrics/issues/951
 2021-12-12 18:07:15 +02:00
Aliaksandr Valialkin
988003536d
docs/CHANGELOG.md: document 2851709745 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1921
 2021-12-10 12:14:18 +02:00
Aliaksandr Valialkin
d91adcba3c
docs: document the ability to investigate correlation between two queries at /vmui 
This is a follow-up for c1fd93e8a0
 2021-12-08 17:24:55 +02:00
Aliaksandr Valialkin
54d4a1c959
app/vmselect: accept optional extra_filters[] query args for all the supported Prometheus querying APIs 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1863
 2021-12-06 17:33:49 +02:00
Aliaksandr Valialkin
9aa9b081a4
app/vminsert: add -maxLabelValueLen command-line flag 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1908
 2021-12-06 11:42:24 +02:00
Aliaksandr Valialkin
51f2eb3c46
lib/workingsetcache: fix unaligned 64-bit atomic operation panic on 32-bit architectures 
The panic has been introduced in 7275ebf91a
 2021-12-03 01:22:30 +02:00
Aliaksandr Valialkin
d40441947a
app: allow specifying http and https urls in the following command-line flags 
* -promscrape.config
* -relabelConfig
* -remoteWrite.relabelConfig
* -remoteWrite.urlRelabelConfig
 2021-12-03 00:11:47 +02:00
Aliaksandr Valialkin
daaea1eb2c
app/vmauth: follow-up for 13368bed18 
* Document the ability to specify http or https urls in `-auth.config` at docs/CHANGELOG.md
* Move the ReadFileOrHTTP to lib/fs, so it can be re-used in other places where a file
  should be read from the given path. For example, in `-promscrape.config` at `vmagent`.
 2021-12-02 23:34:15 +02:00
Aliaksandr Valialkin
0f9aaf9cec
docs/CHANGELOG.md: cut v1.70.0 2021-12-02 15:01:39 +02:00
Aliaksandr Valialkin
8abf415225
docs/CHANGELOG.md: document 0afd14a14a 2021-12-02 14:51:57 +02:00
Aliaksandr Valialkin
b885a3b6e9
lib/httpserver: expose /-/healthy and /-/ready endpoints as Prometheus does 
This improves integration with third-party solutions, which rely on these endpoints.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1833
 2021-12-02 14:37:50 +02:00
Aliaksandr Valialkin
d1289383eb
lib/protoparser/graphite: allow multiple separators between metric name, value and timestamp 2021-12-02 13:44:01 +02:00
Aliaksandr Valialkin
37a2bea072
lib/protoparser/graphite: properly parse Graphite line with whitespace after the timestamp 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1865
 2021-12-02 13:33:50 +02:00
Aliaksandr Valialkin
2b7dee15dd
app/{vmbackup,vmrestore}: export internal metrics at /metrics http handler 2021-12-02 11:56:34 +02:00
Aliaksandr Valialkin
ab4be24397
app/vmstorage: export vm_cache_size_max_bytes metrics for determining capacity of various caches 
The vm_cache_size_max_bytes metric can be used for determining caches which reach their capacity via the following query:

   vm_cache_size_bytes / vm_cache_size_max_bytes > 0.9
 2021-12-02 10:30:01 +02:00
Aliaksandr Valialkin
d4655beae8
lib/fs: add vm_filestream_read_duration_seconds_total and vm_filestream_write_duration_seconds_total metrics 
These metrics help determining persistent disk saturation with `rate(vm_filestream_read_duration_seconds_total) > 0.9`
 2021-12-02 09:13:20 +02:00
Aliaksandr Valialkin
d0c0c599a5
docs/CHANGELOG.md: document 06eff5a72c 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/487
 2021-12-01 12:30:03 +02:00
Aliaksandr Valialkin
7b88daf2ec
docs/CHANGELOG.md: document 852a895b70 2021-11-30 01:22:59 +02:00
Aliaksandr Valialkin
fdca152322
docs/CHANGELOG.md: document f05cddd2fc 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1830
 2021-11-30 01:16:16 +02:00
Aliaksandr Valialkin
cc773ac199
docs/CHANGELOG.md: document 9dd650f67f 2021-11-30 01:09:30 +02:00
Aliaksandr Valialkin
b7eb4bb6cb
docs/CHANGELOG.md: document 624ad73705 2021-11-30 01:05:29 +02:00
Aliaksandr Valialkin
e4c329f5a8
docs/CHANGELOG.md: document c6d5927281 2021-11-30 01:00:56 +02:00
Aliaksandr Valialkin
4ad397188e
lib/protoparser: do not log connection reset by peer error when reading the data via InfluxDB, Graphite and OpenTSDB protocols over plain TCP connections 
This error is expected, so there is no need in spamming the log with this error.
 2021-11-29 21:58:11 +02:00
Aliaksandr Valialkin
4c466b27f1
docs/CHANGELOG.md: document 695cb617b2 2021-11-29 12:13:39 +02:00
Aliaksandr Valialkin
84decc4254
app/vmselect/promql: consistently return zero from deriv(const) 2021-11-17 18:01:58 +02:00
Aliaksandr Valialkin
e93f46187d
lib/persistentqueue: add vm_persistentqueue_read_duration_seconds_total and vm_persistentqueue_write_duration_seconds_total metrics for determining disk usage saturation at vmagent 2021-11-17 16:42:12 +02:00
Aliaksandr Valialkin
aa6d11a33f
app/vmselect/promql: add now() function, which returns the current timestamp as a floating-point value in seconds 2021-11-17 16:42:11 +02:00
Aliaksandr Valialkin
5610207549
docs: document -s3ForcePathStyle command-line option 
This is a follow-up for b72eed1f5e
 2021-11-17 01:10:24 +02:00
Aliaksandr Valialkin
71082c7df8
app/vmauth: add ability to override the username label value for vmauth_user_requests_total metric by specifying name option in -auth.config 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1805
 2021-11-17 00:48:14 +02:00
Aliaksandr Valialkin
f1c0e9db25
docs/CHANGELOG.md: document the addition of vm_tenant_used_tenant_bytes metric, which shows the per-tenant disk usage 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1605
 2021-11-16 23:35:48 +02:00
Aliaksandr Valialkin
82917398b9
docs/CHANGELOG.md: document bugfixes in enteprise versions of vmagent and vmalert 2021-11-12 13:24:37 +02:00
Aliaksandr Valialkin
305507930c
app/vmauth: initialize reverse proxy only after flag.Parse() is called 
This should properly take into accoun the `-maxIdleConnsPerBackend` command-line flag value.
Previously it was hardcoded to 100.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1300
 2021-11-09 19:23:44 +02:00
Aliaksandr Valialkin
b1de180886
docs/CHANGELOG.md: cut v1.69.0 2021-11-08 15:47:48 +02:00
Aliaksandr Valialkin
3a1ac218ba
app/vmselect/promql: add duration_over_time(m[d], max_interval) function 
This function calculates the actual lifetime of the time series on the given lookbehdind window `d`

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1780
 2021-11-08 13:14:57 +02:00
Aliaksandr Valialkin
2e237a6e8c
docs/CHANGELOG.md: document b9cdbcb5046315db96e1e7ca9923d09d0f30dc25 2021-11-08 12:13:32 +02:00
Aliaksandr Valialkin
9aa40fc0c3
docs/vmalert.md: document the addition of -defaultTenant.prometheus and -defaultTenant.graphite command-line options to enterprise version of vmalert 2021-11-05 20:04:53 +02:00
Aliaksandr Valialkin
847004fa77
app/{vminsert,vmagent}: hide passwords and auth tokens by default at /config page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1764
 2021-11-05 14:42:13 +02:00
Aliaksandr Valialkin
63c29099ba
app/vmagent: add -remoteWrite.maxRowsPerBlock command-line option, which may be used for improving data ingestion performance under high load 2021-11-04 15:39:55 +02:00
Aliaksandr Valialkin
5f13ba8631
app/vmagent/remotewrite: send data to remote storage systems in parallel 
This should improve data ingestion speed many `-remoteWrite.url` options are configured
 2021-11-04 15:04:02 +02:00
Aliaksandr Valialkin
d445d22c0c
lib/promscrape: add -promscrape.maxResponseHeadersSize command-line flag for tuning the maximum http response headers size from Prometheus scrape targets 2021-11-03 22:27:55 +02:00
Aliaksandr Valialkin
a102fca4ac
app/vmselect/promql: add limit_offset(limit, offset, q) function, which can be used for paging over big number of time series 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1778
 2021-11-03 16:03:10 +02:00
Aliaksandr Valialkin
43bf0333eb
app/vmselect/promql: add label_graphite_group() function for extracting groups from Graphite metric names 2021-11-03 13:20:34 +02:00
Aliaksandr Valialkin
8a490bf375
docs/CHANGELOG.md: document e3a91b186a 2021-11-02 18:39:52 +02:00
Aliaksandr Valialkin
551a94ba7f
app/{vmagent,vminsert}: add ability to restrict access to /config page with authKey query arg 
The authKey can be configured via `-configAuthKey` command-line flag.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1764
 2021-11-01 16:47:30 +02:00
Aliaksandr Valialkin
6873d6d893
lib/protoparser/influx: automatically detect timestamp precision depending on the number of decimal digits in the timestamp 2021-10-28 12:48:34 +03:00
Aliaksandr Valialkin
b626d6d606
lib/promscrape: add collapse and expand buttons per each group of targets from the same scrape job 2021-10-27 20:04:03 +03:00
Aliaksandr Valialkin
99784b21c1
all: fix build issues and tests for Apple M1 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1653
 2021-10-27 15:07:19 +03:00
Aliaksandr Valialkin
f86dba1f5c
docs/CHANGELOG.md: mention the issue about missing proxy_url config option at /config page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1755
 2021-10-26 22:07:07 +03:00
Aliaksandr Valialkin
ad445a06cd
lib/promscrape: properly show proxy_url option value at /config page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1755
 2021-10-26 21:24:22 +03:00
Aliaksandr Valialkin
9e8697c6c3
docs/CHANGELOG.md: document 3dbdf1632e 2021-10-25 14:46:52 +03:00
Aliaksandr Valialkin
7ec253a3da
docs/CHANGELOG.md: typo fix 2021-10-22 21:13:03 +03:00
Aliaksandr Valialkin
1bdfa475f3
docs/CHANGELOG.md: cut v1.68.0 2021-10-22 19:38:01 +03:00
Aliaksandr Valialkin
559dd996c4
app/vmauth: add ability to specify http headers to send in requests to backends 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1736
 2021-10-22 19:11:35 +03:00
Aliaksandr Valialkin
fcdb0c415e
docs/CHANGELOG.md: document 43a7984cd8 2021-10-22 14:00:50 +03:00
Aliaksandr Valialkin
ad40e70d39
docs/CHANGELOG.md: document a3684fe3de 2021-10-22 12:29:27 +03:00
Yury Molodov
3ccc37a98b
vmui: query history (#1732) 
* feat: add query history

* fix: change detect keyUp for nav query history

* feat: set default query history

* app/vmselect/vmui: `make vmui-update`

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-10-22 12:29:27 +03:00
Aliaksandr Valialkin
5705f4b6d1
lib/httpserver: expose command-line flags at /flags page 
This should simplify debugging.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1695
 2021-10-20 00:46:54 +03:00
Aliaksandr Valialkin
948e9b8f50
docs/CHANGELOG.md: document 146a5b504c 2021-10-19 11:24:44 +03:00
Aliaksandr Valialkin
a7de3712e6
docs/CHANGELOG.md: document cbcc622786 2021-10-19 09:00:05 +03:00
Yury Molodov
744f6a98eb
vmui: features (#1711) 
* feat: initial uPlot graph

* feat: add zoom/pan for graph

* fix: add zoom by ctrl/mac

* fix: remove unused code

* feat: add toggle cache for fetch

* feat: add fix y-axis limits

* fix: stop point events while panning

* fix: change getting cursor position when scaling

* feat: add cursor tooltip to graph

* fix: uninstall chart.js

* fix: change link for create an issue

* fix: set default cache value to true

* app/vmalert: follow-up after 0e2486df56

* docs/CHANGELOG.md: document 5416e18007

* app/vmui: `make vmui-update`

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-10-18 15:19:01 +03:00
Aliaksandr Valialkin
f87d43a5e4
docs/CHANGELOG.md: document 5416e18007 2021-10-18 15:08:44 +03:00
Aliaksandr Valialkin
9273b83cd0
app/vmalert: follow-up after 0e2486df56 2021-10-18 15:08:42 +03:00
Aliaksandr Valialkin
fbcc8b5c7d
lib/promscrape: set honor_timestamps: true by default if this option isnt set explicitly in scrape configs 
This aligns the behavior to Prometheus - see https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config
 2021-10-16 20:48:53 +03:00
Aliaksandr Valialkin
0a9be5ef9d
lib/promscrape: expose promscrape_series_limit_max_series and promscrape_series_limit_current_series metrics per each scrape target with the enabled unique series limiter 2021-10-16 19:14:13 +03:00
Aliaksandr Valialkin
0452a8d4e8
lib/promscrape: store the full response in stream parsing mode in scrapeWork.lastScrape byte slice 
This allows sending staleness marks and properly calculate scrape_series_added metric in stream parsing mode
at the cost of the increased memory usage, since now the potentially big response is kept
in the lastScrape byte slice per each scrapeWork.

In practice the memory usage increase shouldn't be big, since the response size
is usually much smaller than the parsed metrics from this response after the relabeling,
which usually adds a big pile of target-specific labels per each metric.
 2021-10-15 15:26:24 +03:00
Aliaksandr Valialkin
ae1ee5ba4a
docs/CHANGELOG.md: document the change at 7fcbd3fa4b 2021-10-14 14:38:14 +03:00
Aliaksandr Valialkin
25421fa2ae
lib/promscrape: add -promscrape.minResponseSizeForStreamParse command-line option for automatic switching to stream parsing mode when scraping targets with big responses 
This should reduce memory usage when vmagent scrapes targets with non-uniform response sizes.
This is common case in Kubernetes monitoring.
 2021-10-14 12:30:55 +03:00
Aliaksandr Valialkin
bee130cc78
lib/promscrape: return error if sample_limit or series_limit options are set when stream parsing mode is enabled 2021-10-14 12:30:54 +03:00
Aliaksandr Valialkin
73dbad3c2a
docs/CHANGELOG.md: document e3c8304deb 2021-10-13 16:44:34 +03:00
Aliaksandr Valialkin
5b7d90d178
lib/promscrape: add ability to show the original labels for discovered targets at /targets page 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1698
 2021-10-13 16:44:34 +03:00
Aliaksandr Valialkin
c3a729d458
lib/promscrape: shard targets among cluster nodes after relabeling is applied 
This guarantees that targets with the same set of labels go to the same vmagent node.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1687#issuecomment-940629495
 2021-10-12 17:06:37 +03:00
Aliaksandr Valialkin
aeedfe2fe2
app/vmagent: expose -promscrape.config contents at /config page as Prometheus does 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1695
 2021-10-12 16:27:37 +03:00
Aliaksandr Valialkin
48c3668b3d
app/vmselect/promql: add atan2 binary operator, which is going to be added in Prometheus 2.31 
See https://github.com/prometheus/prometheus/pull/9248
 2021-10-11 21:17:23 +03:00
Aliaksandr Valialkin
b3d28f3872
app/vmselect/promql: add missing trigonometric functions, which are going to be added in Prometheus 2.31 
See https://github.com/prometheus/prometheus/issues/9233
 2021-10-11 21:17:21 +03:00
Aliaksandr Valialkin
f1e1d20ac4
app/vmselect/promql: consistently return the same set of time series from limitk() function 
This is the expected behaviour by most users.
 2021-10-08 19:55:29 +03:00
Aliaksandr Valialkin
a7a1305395
lib/storage: fix unaligned access on 32-bit architectures. 
The bug has been introduced at a171916ef5
 2021-10-08 19:38:20 +03:00
Aliaksandr Valialkin
aae6f7dfd0
docs/CHANGELOG.md: cut v1.67.0 2021-10-08 16:00:43 +03:00
Aliaksandr Valialkin
cf87050d83
app/vmui: follow-up after 7bfb44113e 
* Run `vmui-update`
* Document the changes in README.md and CHANGELOG.md
 2021-10-08 15:11:09 +03:00
Aliaksandr Valialkin
4fddcf4c83
app/{vminsert,vmstorage}: follow-up after a171916ef5 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/269
 2021-10-08 14:09:51 +03:00
Aliaksandr Valialkin
64b6f3f1c8
app/vminsert: fix uneven distribution of time series among storage nodes 
Use distinct seed for distribution hash calculations on the second level of vminsert nodes.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1672
 2021-10-07 12:22:39 +03:00
Aliaksandr Valialkin
a9420317d9
docs/vmagent.md: document how to write data to Kafka 2021-09-30 17:46:23 +03:00
Aliaksandr Valialkin
ec6eb03d65
app/vmselect/promql: add topk_last and bottomk_last functions 2021-09-30 13:23:27 +03:00
Aliaksandr Valialkin
ae76ceb5f1
docs/CHANGELOG.md: link to Kafka integration docs 2021-09-29 12:31:59 +03:00
Aliaksandr Valialkin
428c03c3b8
docs/CHANGELOG.md: document the bugfix from de810031bf 2021-09-29 00:42:21 +03:00
Aliaksandr Valialkin
2577e7c306
docs/CHANGELOG.md: document 3d17112a7e 2021-09-29 00:33:41 +03:00
Aliaksandr Valialkin
4e65bfcc00
app/{vminsert,vmagent}: add ability to ingest data via DataDog "submit metrics" API 
See https://docs.datadoghq.com/api/latest/metrics/#submit-metrics

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/206
 2021-09-29 00:12:26 +03:00
Yury Molodov
80df31b2ee
vmui: use Chart.js as default engine for graph (#1634) 
* feat: add Plotly as default engine for graph

* fix: remove unused components

* feat: use Chart.js as default engine graph

* fix: correct styles for loader

* feat: add zoom/pan for chart

* feat: add height for chart

* fix: remove unused code

* fix: remove empty units from duration

* fix: change debounce for pan to 500ms

* fix: add utility for plugins register globally

* fix: optimize render graph

* feat: add buffer data for zoom

* fix: add limits for zoom in/out

* fix: change update data while zooming

* app/vmselect: `make vmui-update`

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2021-09-27 22:27:49 +03:00
Aliaksandr Valialkin
4b3951fd86
app/vmselect/promql: add rollup_scrape_interval(m[d]) function 
It calculates the min, max and avg scrape intervals for m over the given lookbehind window d
 2021-09-27 19:21:55 +03:00
Aliaksandr Valialkin
eff31c10ec
app/vmselect/promql: follow-up after 526dd93b32 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1625
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1612
 2021-09-27 18:57:03 +03:00
Aliaksandr Valialkin
1115c2f235
app/vmselect/promql: align the behavior of or, and and unless operators with on (labels) modifier to Prometheus 
Previously VictoriaMetrics could return unexpected result of the right-hand side operand
had multiple time series with the given set of labels mentioned in `on(labels)`.

See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1643
 2021-09-24 00:56:35 +03:00
Aliaksandr Valialkin
6fbfa026ca
docs/CHANGELOG.md: cut v1.66.2 2021-09-23 22:53:27 +03:00
Aliaksandr Valialkin
d15d036a5a
lib/storage: properly handle {__name__=~"prefix(suffix1|suffix2)",other_label="..."} queries 
They were broken in the commit 00cbb099b6

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1644
 2021-09-23 21:52:31 +03:00
Aliaksandr Valialkin
7edb65a9a3
docs/CHANGELOG.md: document 0e35fc9538 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1641
 2021-09-23 20:47:56 +03:00
Aliaksandr Valialkin
d8de26bbfd
lib/promscrape: add vm_promscrape_max_scrape_size_exceeded_errors_total metric for counting of the failed scrapes due to the exceeded response size 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1639
 2021-09-23 14:48:16 +03:00
Aliaksandr Valialkin
47422e9918
docs/CHANGELOG.md: cut v1.66.1 2021-09-22 01:47:26 +03:00
Aliaksandr Valialkin
25361d176d
docs/CHANGELOG.md: document 9ca1cbced1 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1635
 2021-09-21 23:17:26 +03:00
Aliaksandr Valialkin
c3e1f87048
lib/promrelabel: fix parsing regex: true in relabeling rules 2021-09-21 23:01:40 +03:00
Aliaksandr Valialkin
3f1104ea74
app/vmselect: fix accessing /graphite/* endpoints 2021-09-21 14:06:18 +03:00
Aliaksandr Valialkin
d43ebb8314 docs/CHANGELOG.md: cut v1.66.0 2021-09-20 15:20:36 +03:00
Aliaksandr Valialkin
76c650bbda app/vmselect/promql: add quantiles_over_time("phiLabel", phi1, ..., phiN, m[d]) function for calculating multiple quantiles at once 2021-09-17 23:35:04 +03:00
Aliaksandr Valialkin
727521d20a docs/CHANGELOG.md: document 0e09fdb8b0 2021-09-17 18:47:39 +03:00
Aliaksandr Valialkin
81d24045c2 app/vmselect/promql: add histogram_quantiles("phiLabel", phi1, ..., phiN, buckets) function 
This function calculates multiple quantiles over the given buckets at once

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1573
 2021-09-17 13:39:06 +03:00
Aliaksandr Valialkin
9333c4111e docs/CHANGELOG.md: document the change in enterprise apps, which allows passing -version without -eula flag 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1621
 2021-09-17 12:38:22 +03:00
Aliaksandr Valialkin
3f8de4f82f app/vmselect/promql: add mad(q) and outliers_mad(tolerance, q) functions to MetricsQL 2021-09-16 13:35:38 +03:00
Aliaksandr Valialkin
7ad54041fe app/{vminsert,vmselect}: automatically add missing port in -storageNode lists passed to vminsert and vmselect 
This should simplify manual setup of the cluster according to https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#cluster-setup
 2021-09-15 18:04:30 +03:00
Aliaksandr Valialkin
9ebccddfc2 docs/CHANGELOG.md: document 777ff75874 2021-09-15 17:45:18 +03:00
Aliaksandr Valialkin
e67b4fca11 vendor: update github.com/valyala/histogram from v1.1.2 to v1.2.0 
This fixes the non-repeatable quantile_over_time() results when the number of input samples exceeds 1000.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1612
 2021-09-15 09:35:40 +03:00
Aliaksandr Valialkin
63fb5a5ca5 docs/vmalert.md: follow-up after 68721f6e7d 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1608
 2021-09-14 14:48:45 +03:00
Aliaksandr Valialkin
1493461244 lib/storage: follow up after 00cbb099b6 2021-09-14 14:23:02 +03:00
Aliaksandr Valialkin
5e5ce27df7 app/vmauth: do not log invalid auth tokens by default for security reasons 
The logging can be enabled by passing `-logInvalidAuthTokens` command-line flag to vmauth
 2021-09-14 12:20:17 +03:00
Aliaksandr Valialkin
a1b298a842 app/vminsert/netstorage: disable rerouting by default 
Production clusters work more stable with the disabled rerouting during rolling restarts and/or
during spikes in time series churn rate. So it would be better disabling the rerouting by default.

The re-routing can be enabled by passing `-disableRerouting=false` command-line flag to `vminsert` nodes.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/791
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1054
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1165
 2021-09-13 18:50:47 +03:00
Aliaksandr Valialkin
2932f495f3 docs/CHANGELOG.md: document 5494bc02a6 2021-09-13 17:14:45 +03:00
Aliaksandr Valialkin
184e145570 docs: consistency renaming: Influx -> InfluxDB 2021-09-13 17:14:45 +03:00
Aliaksandr Valialkin
19516aedb5 app/vmselect/promql: use Prometheus-compatible label value formatting for count_values function 2021-09-13 13:48:18 +03:00
Aliaksandr Valialkin
b684624f67 lib/promscrape/discovery/docker: support host networking mode 
See https://github.com/prometheus/prometheus/issues/9116
 2021-09-13 13:30:55 +03:00
Aliaksandr Valialkin
6ed9f10da5 lib/promscrape/discovery/kubernetes: properly use https scheme for wildcard TLS certificates in ingress target discovery 
See https://github.com/prometheus/prometheus/issues/8902
 2021-09-13 13:04:43 +03:00
Aliaksandr Valialkin
d90834da70 lib/promscrape: generate scrape_timeout_seconds metric per each scrape target in the same way as Prometheus 2.30 does 
See https://github.com/prometheus/prometheus/pull/9247
 2021-09-12 15:21:26 +03:00
Aliaksandr Valialkin
6c97388dde lib/promscrape: add ability to configure scrape_timeout and scrape_interval via relabeling 
See https://github.com/prometheus/prometheus/pull/8911
 2021-09-12 13:35:20 +03:00
Aliaksandr Valialkin
09670479cd lib/promscrape: reduce CPU usage for common case when calculating scrape_series_added metric 
Also reduce CPU usage when applying `series_limit` to scrape targets with constant set of metrics.

The main idea is to perform the calculations on scrape_series_added and series_limit
only if the set of metrics exposed by the target has been changed.
Scrape targets rarely change the set of exposed metrics,
so this optimization should reduce CPU usage in general case.
 2021-09-12 12:53:45 +03:00
Aliaksandr Valialkin
5aaaa686a4 lib/promscrape: send stale markers for disappeared metrics like Prometheus does 2021-09-11 11:02:56 +03:00
Aliaksandr Valialkin
c2f37f049b lib/storage: properly search series by multiple tag filters matching empty labels such as foo{bar=~"baz|",x=~"y|"} 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1601
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/395
 2021-09-09 21:12:53 +03:00
Aliaksandr Valialkin
9b07cb2988 app/vmselect/promql: keep metric name in rollup_candlestick results, since they don't change the original series meaning 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1600
 2021-09-09 19:24:10 +03:00
Aliaksandr Valialkin
09edcfd21c docs/CHANGELOG.md: typo fix 2021-09-09 18:58:03 +03:00
Aliaksandr Valialkin
d613a018c8 lib/promscrape: add ability to set series_limit and stream_parse options via relabeling 
This allows managing these options on a per-target basis.

Typical use case: to manage these options for pods via Kubernetes annotations.
 2021-09-09 18:51:23 +03:00
Aliaksandr Valialkin
75c3514c5c lib/promrelabel: add keep_metrics and drop_metrics actions to relabeling rules 
These actions simlify metrics filtering. For example,

- action: keep_metrics
  regex: 'foo|bar|baz'

would leave only metrics with `foo`, `bar` and `baz` names, while the rest of metrics will be deleted.

The commit also makes possible to split long regexps into multiple lines. For example, the following config is equivalent to the config above:

- action: keep_metrics
  regex:
  - foo
  - bar
  - baz
 2021-09-09 16:25:09 +03:00
Aliaksandr Valialkin
608ed19655 app/vmalert: follow-up after 21f022e5f0 2021-09-07 22:45:47 +03:00
Aliaksandr Valialkin
9be7294331 docs/CHANGELOG.md: document 42e07cfaea 2021-09-07 22:32:01 +03:00
Aliaksandr Valialkin
a88b02287d docs/CHANGELOG.md: cut v1.65.0 2021-09-01 17:12:44 +03:00
Aliaksandr Valialkin
c4df601f43 lib/promscrape: add the ability to limit the number of unique series per each scrape target 
The number of series per target can be limited with the following options:

* Global limit with `-promscrape.maxSeriesPerTarget` command-line option.
* Per-target limit with `max_series: N` option in `scrape_config` section.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1561
 2021-09-01 16:08:12 +03:00
Aliaksandr Valialkin
816d4b6095 docs/CHANGELOG.md: document eff940aa76 2021-09-01 12:25:11 +03:00
Aliaksandr Valialkin
22bb18a449 docs/CHANGELOG.md: document 7c70dcbe3b 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1471
 2021-09-01 12:25:04 +03:00
Aliaksandr Valialkin
b3d240f7b4 docs/CHANGELOG.md: add a link to Prometheus staleness tracking 2021-08-31 11:53:38 +03:00
Aliaksandr Valialkin
146c14d879 lib/promscrape/discovery/kubernetes: return back support role: endpointslices, since it is used by VictoriaMetrics operator 
This is a follow up commit after 31b42b30b6
 2021-08-29 12:37:36 +03:00
Aliaksandr Valialkin
18d7adf731 lib/protoparser/opentsdb: follow-up after 8ee75ca45a 2021-08-29 11:50:01 +03:00
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
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
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
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
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
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
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
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
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
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