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166 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
b843f0e229
app/vmselect: add fine-grained limits for the number of returned/scanned time series for various APIs 2022-03-26 11:28:14 +02:00
Aliaksandr Valialkin
c2b0a6109b
app/vmselect/prometheus: typo fix after bf0e3ad2171219b7883b149999c4dc0ac15b9797 2021-12-17 11:52:42 +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
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
4fb19fe34b
all: consistently return application/json content-type without charset=utf-8 
The `application/json` content-type has utf-8 encoding by default.
See https://stackoverflow.com/questions/9254891/what-does-content-type-application-json-charset-utf-8-really-mean

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
 2021-11-09 18:07:22 +02:00
Aliaksandr Valialkin
a4eaf1a0a1 app/vmselect/prometheus: make more clear log messages for errors during sending data to remote clients 2021-09-16 13:35:37 +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
Roman Khavronenko
1ccb77904b vmselect: update vm_request_duration_seconds value when request fails (#1537) 
Before, metric `vm_request_duration_seconds` was update only on successful
attempts which could be misleading. For example, timeout errors on netstorage
request may be not accounted in the metric and won't be visible on dashboards.
Using `defer` statement to update the metric after query arguments validation
may improve the situation.
 2021-08-19 14:07:00 +03:00
Aliaksandr Valialkin
9add9d86a6 app/vmselect/promql: duration handling improvements in MetricsQL queries 
- Support durations anywhere in MetricsQL queries. E.g. sum_over_time(m[1h])/1h is equivalent to sum_over_time(m[1h])/3600
- Support durations without suffix. E.g. rate(m[300]) is equivalent to rate(m[5m])
 2021-07-12 17:19:32 +03:00
John Belmonte
3e79f3994e spelling fix: synonym (#1363) 2021-06-11 10:58:48 +03:00
Nikolay
be87be34a4 Adds tsdb match filters (#1282) 
* init work on filters

* init propose for status filters

* fixes tsdb status
adds test

* fix bug

* removes checks from test
 2021-05-12 17:16:58 +03:00
Aliaksandr Valialkin
6dc5d3b357 all: rename https://victoriametrics.github.io to https://docs.victoriametrics.com 2021-04-20 20:20:01 +03:00
Aliaksandr Valialkin
d8c769e6af app/vmselect: add -search.maxStatusRequestDuration command-line flag for limiting the duration of requests to /api/v1/status/* and /api/v1/series/count 2021-03-30 21:39:32 +03:00
Aliaksandr Valialkin
698ccca6ad app/vmselect/prometheus: explain why partial responses are disallowed during data export 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1148
 2021-03-25 18:39:07 +02:00
Aliaksandr Valialkin
27bb614016 app/vmselect: move getEnforcedTagFiltersFromRequest to searchtuils, since it will be used in Graphite functions soon 2021-03-23 14:57:57 +02:00
Aliaksandr Valialkin
6b9bba7448 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 12:38:59 +02:00
Aliaksandr Valialkin
b6dcb37fca 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 12:18:37 +02:00
Aliaksandr Valialkin
ee4288987b app/vmselect/prometheus: treat match query arg in the same way as match[] query arg 2021-02-11 15:01:55 +02:00
Aliaksandr Valialkin
4b930b9ffe app/vmselect: add ability to set Graphite-compatible filter via {__graphite__="foo.*.bar"} syntax 2021-02-03 01:17:19 +02:00
Aliaksandr Valialkin
7d23f3ff3a app/vmselect: add ability to set an additional label filters via extra_label query arg 2021-02-01 17:42:35 +02:00
Aliaksandr Valialkin
5328a102e0 app/vmselect: unconditionally deny partial responses from /api/v1/export* 
It is expected that `/api/v1/export*` returns full data, so there is no sense in partial responses there.
 2021-01-27 14:39:53 +02:00
Aliaksandr Valialkin
e55205220b app/vmselect: add -search.maxStepForPointsAdjustment command-line flag, which can be used for disabling adjustment for points returned from /api/v1/query_range handler if they have timestamps closer than -search.latencyOffset to the current time 2021-01-19 22:57:50 +02:00
Aliaksandr Valialkin
5bbf200de2 app/vmselect: add per-tenant /api/v1/status/top_queries handler 2020-12-27 12:53:50 +02:00
Aliaksandr Valialkin
e6deb39064 app/vmselect: refactor /api/v1/stats/top_queries 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/907
 2020-12-25 17:24:25 +02:00
Nikolay
76d092c091 Adds query stats handler (#945) 
* Adds query stat handler,
for query and query_range api, victoriametrics tracks query execution time,
stats are expored at /api/v1/status/queries endpoint with topN param
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/907

* fixed query stats bugs

* improves queryStats tracker

* improves query stat

* small fix

* fix tests

* added more tests

* fixes 386 tests

* naming fixes

* adds drop for outdated records
 2020-12-25 17:24:24 +02:00
Nikolay
0b87f02602
fixes panic (#979) 
* fixes panic
https://github.com/VictoriaMetrics/helm-charts/issues/89

* add fast-path

* Apply suggestions from code review

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-12-24 09:01:40 +02:00
Aliaksandr Valialkin
1a237c6903 all: properly handle CPU limits set on the host system/container 
This can reduce memory usage on systems with enabled CPU limits.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/946
 2020-12-08 21:07:03 +02:00
Aliaksandr Valialkin
7d76fdedcc app/vmselect: use storage.NewSearchQuery() instead of constructing storage.SearchQuery in-place 
This should prevent from bugs when AccountID and ProjectID aren't set in storage.SearchQuery.
 2020-11-16 18:04:33 +02:00
Aliaksandr Valialkin
2f4421b86c app/vmselect/prometheus: return __name__ label if match[] query to /api/v1/labels matches at least a single time series 2020-11-16 13:54:50 +02:00
Aliaksandr Valialkin
852aed62f7 app/vmselect/prometheus: improve performance for /api/v1/labels and /api/v1/label/<labelName>/values on time ranges exceeding one day when match[] query arg is set 2020-11-16 13:46:51 +02:00
Aliaksandr Valialkin
e969346e3e app/vmselect/prometheus: fix deadlock in /api/v1/series on a time range exceeding one day 2020-11-16 13:30:57 +02:00
Aliaksandr Valialkin
eea1be0d5c app/vmselect/graphite: add /tags/findSeries handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#exploring-tags
 2020-11-16 12:52:23 +02:00
Aliaksandr Valialkin
2ac5f00d98 app/vmselect: propagate errors from vmstorage to response to the client if -search.denyPartialResponse command-line flag is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/891

This commit also adds `"isPartial":{true|false}` field to `/api/v1/*` responses. `"isPartial":true` is set when the response
is based on a partial data because some of vmstorage nodes weren't available during query processing.
 2020-11-14 13:20:10 +02:00
Aliaksandr Valialkin
7ceaf4ba8f all: consistently return text-based HTTP responses with charset=utf-8 
This is a follow-up for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
 2020-11-13 10:30:21 +02:00
Aliaksandr Valialkin
72011bcc45 app/vmselect: properly handle errors in GetLabelsOnTimeRange and GetLabelValuesOnTimeRange 2020-11-05 01:36:34 +02:00
Aliaksandr Valialkin
c5e6c5f5a6 app/vmselect: optimize querying for /api/v1/labels and /api/v1/label/<name>/values when start and end args are set 2020-11-05 01:19:29 +02:00
Aliaksandr Valialkin
d884ab13dc app/vmselect/prometheus: fix golangci-lint warning 2020-10-13 09:36:18 +03:00
Aliaksandr Valialkin
0867dea5fc app/vmselect: add ability to export data in CSV format via /api/v1/export/csv 2020-10-12 20:08:08 +03:00
Aliaksandr Valialkin
c47972d843 app/vmselect/prometheus: check for errors returned from bufferedwriter.Write 
This makes `make errcheck` happy
 2020-09-29 11:36:54 +03:00
Aliaksandr Valialkin
6d8c23fdbd app/{vminsert,vmselect}: skip accountID and projectID when marshaling/unmarshaling MetricName in /api/v1/export/native and /api/v1/import/native 
This is needed in order to be able to migrate native data from/to single-node VictoriaMetrics
 2020-09-28 00:58:58 +03:00
Aliaksandr Valialkin
db14f22fc0 app/vmselect: stop /api/v1/export/* execution if client disconnects 2020-09-27 23:52:42 +03:00
Aliaksandr Valialkin
aadbd014ff all: add native format for data export and import 
The data can be exported via [/api/v1/export/native](https://victoriametrics.github.io/#how-to-export-data-in-native-format) handler
and imported via [/api/v1/import/native](https://victoriametrics.github.io/#how-to-import-data-in-native-format) handler.
 2020-09-27 17:36:38 +03:00
Aliaksandr Valialkin
8627365b48 app/vmselect/prometheus: code cleanup after 3ba507000c 2020-09-23 13:04:51 +03:00
Aliaksandr Valialkin
1fce79518a app/vmselect/prometheus: return timestamps from /api/v1/query, which match the time query arg 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/720
 2020-09-23 12:59:23 +03:00
Aliaksandr Valialkin
1f0c0b0f6b app/vmselect: typo fix in -search.maxStalenessInterval description 2020-09-15 14:25:34 +03:00
Aliaksandr Valialkin
d3ad0d365e app/vmselect: move Deadline from netstorage to searchutils 
This removes dependency on netstorage from searchutils.
 2020-09-11 13:39:13 +03:00
Aliaksandr Valialkin
f307e6f432 app/vmselect: initial implementation of Graphite Metrics API 
See https://graphite-api.readthedocs.io/en/latest/api.html#the-metrics-api
 2020-09-11 00:30:20 +03:00
Aliaksandr Valialkin
804304c365 app/vmselect: add missing deletion for temporary files on partial responses when -search.denyPartialResponse=true 2020-09-04 02:23:12 +03:00
Aliaksandr Valialkin
6aab2f4989 all: allow using KB, MB, GB, KiB, MiB and GiB suffixes in command-line flag values related to byte sizes or byte rates 2020-08-16 17:08:28 +03:00
Aliaksandr Valialkin
62b6e54622 app/vmselect: reduce memory usage when exporting time series with big number of samples via /api/v1/export if max_rows_per_line is set to non-zero value 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685
 2020-08-10 20:57:43 +03:00
Aliaksandr Valialkin
a2aa3a60eb app/vmselect: show X-Forwarded-For contents on /api/v1/status/active_queries page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/659
 2020-07-31 20:01:09 +03:00
Aliaksandr Valialkin
0f6f0d30d3 app/vmselect: show query origin (aka remote_addr or client address) on the /api/v1/status/active_queries page for every query 2020-07-28 15:14:40 +03:00
Aliaksandr Valialkin
20d0c41ac5 app/vmselect/prometheus: support d, w and y suffixes for durations passed to step in /api/v1/query_range like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/641
 2020-07-22 16:27:27 +03:00
Aliaksandr Valialkin
5bb4fe1ba4 app/vmselect: take into account the time spent in wait queue before query execution as time spent on the query 2020-07-21 19:00:00 +03:00
Aliaksandr Valialkin
141e84b5a4 app/vmselect/prometheus: do not return time series with empty list of datapoints from /api/v1/query_range 
This matches Prometheus behaviour.

This should fix https://github.com/jacksontj/promxy/issues/329
 2020-07-20 15:30:13 +03:00
Aliaksandr Valialkin
0e7b2008b2 app/vmselect/prometheus: do not adjust last points in time series with timestamps exceeding the current time 
Such timestamps usually mean that the query contains `offset`.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/625
 2020-07-14 12:56:21 +03:00
Aliaksandr Valialkin
3898cc0285 app/vmselect/prometheus: minimize the diff for the change 1033dc7e2a over 619b0a25c9 2020-07-13 21:41:17 +03:00
faceair
bf39e67ade fix empty response template (#617) 2020-07-13 21:41:15 +03:00
Aliaksandr Valialkin
82871fb7a5 app/vmselect/prometheus: small fixes on top of 8bb762124a 2020-07-05 18:17:53 +03:00
faceair
17f175ff5a fix adjust last points avoid influence earlier value (#606) 2020-07-05 18:17:52 +03:00
Aliaksandr Valialkin
d962568e93 all: use %w instead of %s for wrapping errors in fmt.Errorf 
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
 2020-06-30 23:33:46 +03:00
Aliaksandr Valialkin
cc2225cc49 app/vmselect: fix the error after 936f35920a 2020-06-12 22:00:45 +03:00
Aliaksandr Valialkin
936f35920a app/vmselect/prometheus: allow returning partial response from /api/v1/export if -search.denyPartialResponse=false 
This makes `/api/v1/export` behaviour consistent with other `/api/v1/*` handlers.
 2020-06-12 21:11:48 +03:00
Aliaksandr Valialkin
3845420a8f lib: extract common code for returning fast unix timestamp into lib/fasttime 2020-05-14 23:06:50 +03:00
Aliaksandr Valialkin
9ed4951ec8 lib/metricsql: move it to a separate repository - github.com/VictoriaMetrics/metrics 2020-04-28 15:30:06 +03:00
Aliaksandr Valialkin
f9526809e5 app/vmselect: add /api/v1/status/tsdb page with useful stats for locating root cause for high cardinality issues 
See https://prometheus.io/docs/prometheus/latest/querying/api/#tsdb-stats

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/425
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/268
 2020-04-22 22:03:23 +03:00
Aliaksandr Valialkin
b59f1f1504 app/vmselect: add -search.minStalenessInterval command-line flag for removing gaps on graphs built from time series with irregular duration between samples 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/426
 2020-04-20 19:42:41 +03:00
Aliaksandr Valialkin
603d4c9217 app/vmselect: merge -search.maxLookback and -search.maxStalenessInterval flags, since it has been appeared they have identical purpose :( 
Leave both flags for backwards compatibility reasons.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/426
 2020-04-20 19:28:28 +03:00
Aliaksandr Valialkin
b9b5641c2f app/vmselect: properly apply -search.maxLookback to queries sent to /api/v1/query 2020-04-17 12:31:18 +03:00
Aliaksandr Valialkin
c6cbc0bd19 app/vmselect/prometheus: allow passing relative time to start, end and time args of /api/v1/* queries 2020-03-29 21:56:52 +03:00
Aliaksandr Valialkin
cb8696699a app/vmselect/prometheus: code simplification: (d.Seconds()/1e3) -> d.Milliseconds() 2020-03-29 21:50:35 +03:00
Aliaksandr Valialkin
f6410ff2bf app/vmselect: add optional max_rows_per_line query arg to /api/v1/export 
This arg allows limiting the number of data points that may be exported on a single line.
 2020-03-10 21:47:43 +02:00
Aliaksandr Valialkin
d23df53ba2 app/vmselect/prometheus: do not add __name__!= filter when searching for all the matching metric names via /api/v1/label/__name__/values with non-empty label filter 
This should reduce query time.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/343
 2020-02-28 23:36:38 +02:00
Aliaksandr Valialkin
8fa1cd24d8 app/vmselect/prometheus: properly pass filter for labelName=__name__ in labelValuesWithMatches 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/343
 2020-02-28 12:17:30 +02:00
Aliaksandr Valialkin
6e0013ca39
app/vmselect/prometheus: typo fix in -latencyOffset description 2020-02-12 14:00:38 +02:00
Aliaksandr Valialkin
ccd3aa4f15 app/vmselect: take into account the time the requests wait in the queue if -search.maxConcurrentRequests is exceeded 
This will prevent from excess CPU usage for timed out queries.
 2020-02-04 16:20:48 +02:00
Aliaksandr Valialkin
7cde594696 all: do not clash flag description with back-quoted flag types 
See https://golang.org/pkg/flag/#PrintDefaults for more details.
 2020-02-04 15:56:01 +02:00
Aliaksandr Valialkin
e1a264173a app/vmselect: mention the original query and time range in error messages 
This should simplify debugging invalid or heavy queries.
 2020-01-22 17:34:35 +02:00
Aliaksandr Valialkin
e127173984 app/vmselect: mention command-line flag, which could be used for adjusting query timeouts, in timeout errors 2020-01-22 15:53:42 +02:00
Aliaksandr Valialkin
f3b9f8b823 app/vmselect/prometheus: increase default value -maxExportDuration to 30 days, since 10 minutes beat users exporting bit amounts of data 2020-01-22 15:53:41 +02:00
Aliaksandr Valialkin
4b16b7fd11 all: mention command-line flags used for limiting the incoming request size in error messages 
This should improve error logs usability.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/287
 2020-01-16 13:06:43 +02:00
Aliaksandr Valialkin
453d71d082 Rename lib/promql to lib/metricsql and apply small fixes 2019-12-25 22:09:09 +02:00
Aliaksandr Valialkin
cc8a1bae0e app/vmselect: add -search.maxExportDuration command-line flag for limiting /api/v1/export duration 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/275
 2019-12-20 11:37:18 +02:00
Aliaksandr Valialkin
6a185b7809 app/vmselect: add ability to pass match[], start and end to /api/v1/labels 
This makes the `/api/v1/labels` handler consistent with already existing functionality for `/api/v1/label/.../values`.

See https://github.com/prometheus/prometheus/issues/6178 for more details.
 2019-12-15 00:20:43 +02:00
Aliaksandr Valialkin
f79b61e2a1 app/vmselect/promql: return matrix instead of vector on subqueries to /api/v1/query like Prometheus does 2019-12-11 00:57:54 +02:00
Aliaksandr Valialkin
5d2ff573aa app/vmselect/promql: allow negative offsets 
Updates https://github.com/prometheus/prometheus/issues/6282
 2019-12-11 00:57:51 +02:00
Aliaksandr Valialkin
def9ccd360 app/vmselect/prometheus: consistently apply nocache arg to /api/v1/query the same way ast to /api/v1/query_range 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/241
 2019-11-26 22:55:50 +02:00
Aliaksandr Valialkin
e0ac068112 app/vmselect/prometheus: fix content-type for /api/v1/export responses 
The correct Content-Type should be `application/stream+json` instead of `application/json`
Thanks to Joshua Ryder for pointing to this.
 2019-11-26 17:44:27 +02:00
Aliaksandr Valialkin
8811bec14e app/vmselect/prometheus: reduce default value for -search.latencyOffset from 60s to 30s 
30 seconds should be enough for almost all the cases
 2019-11-25 16:33:36 +02:00
Aliaksandr Valialkin
17d08c1fe0 app/vmselect: adjust end arg instead of adjusting start arg if start > end 
`start` arg has higher chances to be set properly comparing to `end` arg,
so it is expected that the `end` arg could be adjusted if it was set incorrectly.
 2019-11-22 16:12:53 +02:00
Aliaksandr Valialkin
5ae47e8940 app/vmselect/prometheus: properly adjust too big time time on /api/v1/query 
Too big `time` must be adjusted to `now()-queryOffset`.
 2019-11-19 00:42:07 +02:00
Oleg Kovalov
74ba42d111 fix misspelled words (#229) 2019-11-12 00:18:24 +02:00
Aliaksandr Valialkin
4e6bf6f538 app/vmselect: add -search.latencyOffset flag for tuning the time after data collection when data points become visible in query results 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/218
 2019-10-28 12:32:36 +02:00
Aliaksandr Valialkin
5b01b7fb01 all: add support for GOARCH=386 and fix all the issues related to 32-bit architectures such as GOARCH=arm 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2019-10-17 18:27:49 +03:00
Aliaksandr Valialkin
99786c2864 app/vmselect/prometheus: add -search.maxLookback command-line flag for overriding dynamic calculations for max lookback interval 
This flag is similar to `-search.lookback-delta` if set. The max lookback interval is determined dynamically
from interval between datapoints for each input time series if the flag isn't set.

The interval can be overriden on per-query basis by passing `max_lookback=<duration>` query arg to `/api/v1/query` and `/api/v1/query_range`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
 2019-10-15 21:37:17 +03:00
Aliaksandr Valialkin
a7d5d611fe app/vmselect/prometheus: do not adjust start and end args in /api/v1/query_range if nocache=1 arg is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/171
 2019-09-04 13:10:17 +03:00
Aliaksandr Valialkin
db1de4277c app/vmselect/promql: remove NaNs from /api/v1/query_range output like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/153
 2019-08-20 23:01:59 +03:00
Aliaksandr Valialkin
53c8f56436 app/vmselect: allow passing match[], start and time to /api/v1/label/<label_name>/values 
`/api/v1/label/<label_name>/values?match[]=q` emulates emulates `label_values(q, <label_name>)`
call in Grafana templating.
 2019-08-04 23:07:00 +03:00
Aliaksandr Valialkin
880b1d80b1 app/vmselect: optimize /api/v1/series by skipping storage data 
Fetch and process only time series metainfo.
 2019-08-04 23:00:46 +03:00
Aliaksandr Valialkin
7f5afae1e3 app/vmselect/prometheus: prevent from fetching and scanning all the data on /api/v1/searies call by default 2019-08-04 19:42:45 +03:00