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Author SHA1 Message Date
Aliaksandr Valialkin
c09c881264 lib/promscrape: make errcheck happy 2020-08-09 13:17:30 +03:00
Aliaksandr Valialkin
2dfb42a8b4 lib/promscrape: export scrape_samples_added per-target metric like Prometheus does 
This metric may be useful for detecting targets with high churn rate for the exported metrics.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/683
 2020-08-09 12:45:30 +03:00
Aliaksandr Valialkin
fd9f1463df lib/fs: use WARN instead of ERROR log level for the message when NFS diretory removal temporarily fails 
this is expected condition, so it is better to use WARN log level for it
 2020-08-09 12:07:35 +03:00
Aliaksandr Valialkin
d4be3efc60 lib/promscrape: add a test for scrape config for blackbox exporter 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/684
 2020-08-09 12:03:51 +03:00
Roman Khavronenko
78afc61896 app/vmalert: extend metrics set exported by vmalert #573 (#654) 
* app/vmalert: extend metrics set exported by `vmalert` #573

New metrics were added to improve observability:
+ vmalert_alerts_pending{alertname, group} - number of pending alerts per group
per alert;
+ vmalert_alerts_acitve{alertname, group} - number of active alerts per group
per alert;
+ vmalert_alerts_error{alertname, group} - is 1 if alertname ended up with error
during prev execution, is 0 if no errors happened;
+ vmalert_recording_rules_error{recording, group} - is 1 if recording rule
 ended up with error during prev execution, is 0 if no errors happened;
* vmalert_iteration_total{group, file} - now contains group and file name labels.
This should improve control over specific groups;
* vmalert_iteration_duration_seconds{group, file} - now contains group and file name labels. This should improve control over specific groups;

Some collisions for alerts and recording rules are possible, because neither
group name nor alert/recording rule name are unique for compatibility reasons.

Commit contains list of TODOs for Unregistering metrics since groups and rules
are ephemeral and could be removed without application restart. In order to
unlock Unregistering feature corresponding PR was filed - https://github.com/VictoriaMetrics/metrics/pull/13

* app/vmalert: extend metrics set exported by `vmalert` #573

The changes are following:
* add an ID label to rules metrics, since `name` collisions within one group is
a common case - see the k8s example alerts;
* supports metrics unregistering on rule updates. Consider the case when one rule
was added or removed from the group, or the whole group was added or removed.

The change depends on https://github.com/VictoriaMetrics/metrics/pull/16
where race condition for Unregister method was fixed.
 2020-08-09 09:42:05 +03:00
ofen
3fea7c39be 401 Unauthorize HTTP error added (#681) 
401 Unauthorize HTTP error added to trigger browser credentials pop-up promt [RFC 7235 https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication]
 2020-08-09 09:39:37 +03:00
Aliaksandr Valialkin
d8aa433c4d vendor: update github.com/VictoriaMetrics/metrics from v1.12.2 to v1.12.3 2020-08-07 13:02:35 +03:00
Aliaksandr Valialkin
67cacb22ac lib/httpserver: add -tls, -tlsCertFile and -tlsKeyFile command-line flags in every vm binary 
This makes such binaries compatible with binaries from `master` branch (aka single-node version)

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/677
 2020-08-07 10:57:32 +03:00
Aliaksandr Valialkin
307281e922 lib/storage: slow down concurrent searches when the number of concurrent inserts reaches the limit 
This should improve data ingestion performance when heavy searches are executed

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/618
 2020-08-07 08:49:13 +03:00
Aliaksandr Valialkin
dd1d59f57a lib/storage: properly check timeouts and pace limits 
Previously they were checked on every iteration for small number of iterations
 2020-08-07 08:40:56 +03:00
Aliaksandr Valialkin
2704722b6d deployment/docker: update Go builder from v1.14.6 to v1.14.7 2020-08-07 08:29:25 +03:00
Aliaksandr Valialkin
87d7710c8e docs/MetricsQL.md: mention that MetricsQL removes all the NaN values from results 2020-08-07 07:51:40 +03:00
Aliaksandr Valialkin
95a8c492ef app/vmselect/promql: properly handle -n^m like Prometheus does 
`-n^m` must be handled as `-(n^m)` instead of `(-n)^m`.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/675
 2020-08-07 07:42:42 +03:00
Aliaksandr Valialkin
7f93d61a56 app/vmselect/promql: remove metric name after applying clamp_min and clamp_max functions in order to be consistent with Prometheus 
This improves VictoriaMetrics score at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:42:55 +03:00
Aliaksandr Valialkin
01000505a0 app/vmselect/promql: remove metric name after applying ceil, floor and round functions in order to be more consistent with Prometheus 
This improves VictoriaMetrics score at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:34:03 +03:00
Aliaksandr Valialkin
75bff1a567 app/vmselect/promql: remove metric name from results of certain rollup functions in order to be consistent with Prometheus 
Rollup functions:

  - avg_over_time
  - min_over_time
  - max_over_time
  - quantile_over_time

This improves VictoriaMetrics results at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:29:18 +03:00
Aliaksandr Valialkin
8835004a4c app/vmselect: properly handle PromQL queries like scalar1 < metric < scalar2 like Prometheus does 
This fixes some cases from https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:21:14 +03:00
Aliaksandr Valialkin
3947307363 vendor: update github.com/VictoriaMetrics/metricsql from v0.2.10 to v0.3.0 
This adds support for special integers in MetricsQL that start from 0x, 0b, 0o.
This improves compatibility with PromQL - see https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 21:45:33 +03:00
Aliaksandr Valialkin
a2039b3bbc app/vmselect: return the upper bound on the number of found time series from storage.Search.Init 
This is used by a single-node version in order to reduce memory allocations during search.
See bc8381613d for details.
 2020-08-06 19:20:31 +03:00
Aliaksandr Valialkin
b690eeff53 lib/storage: reduce the frequency (and overhead) for timeout and pace limiter checks by 4x 2020-08-06 18:45:47 +03:00
Aliaksandr Valialkin
6c0a92a1ee lib/pacelimiter: increase scalability for multi-CPU system 2020-08-06 18:33:07 +03:00
Aliaksandr Valialkin
14ddb8a34e app/vmselect/netstorage: reduce CPU contention when upacking time series blocks by unpacking batches of such blocks instead of a single block 
This should improve query performance on systems with big number of CPU cores (16 and more)
 2020-08-06 17:50:13 +03:00
Aliaksandr Valialkin
46c98cd97a app/vmselect/netstorage: reduce contention on unpackworkCh and timeseriesWorkCh for multi-CPU system by providing more capacity for these chans 2020-08-06 17:22:39 +03:00
Aliaksandr Valialkin
13f8644f8e lib/storage: optimize prefetching metric names for the given metricIDs 2020-08-06 16:52:58 +03:00
Aliaksandr Valialkin
a455930ab4 app/vmstorage: rename vm_cache_size_entries{type="storage/prefetchedMetricIDs"} to vm_cache_entries{type="storage/prefetchedMetricIDs"} to be consistent with other vm_cache_entries metrics 2020-08-06 16:34:18 +03:00
Aliaksandr Valialkin
f789e0fa44 lib/fs: export vm_nfs_pending_dirs_to_remove metric for monitoring the number of pending directories that couldn't be removed due to NFS lock 2020-08-06 15:31:50 +03:00
Aliaksandr Valialkin
a3e91c593b lib/storage: limit the number of concurrent calls to storage.searchTSIDs to GOMAXPROCS*2 
This should limit the maximum memory usage and reduce CPU trashing on vmstorage
when multiple heavy queries are executed.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
 2020-08-05 18:27:21 +03:00
Aliaksandr Valialkin
76064ba9e7 Perform conversion from string to []byte according to rule #6 at https://golang.org/pkg/unsafe/#Pointer 2020-08-05 11:55:12 +03:00
Aliaksandr Valialkin
9038df211f vendor: make vendor-update 2020-08-05 11:15:47 +03:00
Aliaksandr Valialkin
a930460236 app/vmagent: tune http client for sending data to remote storage in order to disable closing keep-alive connections 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/663
 2020-08-04 21:01:40 +03:00
Aliaksandr Valialkin
a04f4a3d9a app/vmselect: use warning level instead of info level for logging slow queries that take longer than -search.logSlowQueryDuration 2020-08-04 20:24:38 +03:00
Aliaksandr Valialkin
265206a6c3 docs/Single-server-VictoriaMetrics.md: add a chapter about data updates 2020-08-04 13:54:29 +03:00
Aliaksandr Valialkin
8cc2e01386 lib/backup: allow using ~/.aws/config without region 
Use us-west-2 for determining bucket region.
 2020-08-04 13:08:05 +03:00
Aliaksandr Valialkin
bdb881c43b app/vmselect/promql: add zscore-related functions: zscore_over_time(m[d]) and zscore(q) by (...) 2020-08-03 21:52:15 +03:00
Aliaksandr Valialkin
94471a1273 app: remove duplicate *-pure makefile rules 2020-07-31 20:01:30 +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
3149af624d lib/storage: reduce the maximum number of concurrent merge workers to GOMAXPROCS/2 
Previously the limit has been raised to GOMAXPROCS, but it has been appeared that this
increases query latencies since more CPUs are busy with merges.

While at it, substitute `*MergeConcurrencyLimitCh` channels with simple integer limits.
 2020-07-31 17:53:13 +03:00
Aliaksandr Valialkin
106e302d7a all: add mssing APP_NAME to vm*-GOARCH builds 2020-07-31 13:45:32 +03:00
Aliaksandr Valialkin
945645f38f docs/{vmagent,vmalert}: add instruction on how to build for ARM 2020-07-31 09:25:41 +03:00
Aliaksandr Valialkin
a0eec52e6c docs/Single-server-VictoriaMetrics.md: mention that downgrade is also safe to perform 2020-07-31 09:21:03 +03:00
Aliaksandr Valialkin
bbc7583015 vendor: update github.com/valyala/quicktemplate from v1.5.2 to v1.6.0 2020-07-30 23:39:48 +03:00
Aliaksandr Valialkin
0c00fe70cf app/vmselect: do not adjust start and end query args passed to /api/v1/query_range when -search.disableCache command-line flag is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/563
 2020-07-30 23:14:56 +03:00
Aliaksandr Valialkin
e9860b2fa3 docs/vmalert.md: sync with app/vmalert/README.md 2020-07-30 21:57:20 +03:00
Aliaksandr Valialkin
29bbab0ec9 lib/storage: remove prioritizing of merging small parts over merging big parts, since it doesn't work as expected 
The prioritizing could lead to big merge starvation, which could end up in too big number of parts that must be merged into big parts.

Multiple big merges may be initiated after the migration from v1.39.0 or v1.39.1. It is OK - these merges should be finished soon,
which should return CPU and disk IO usage to normal levels.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/618
 2020-07-30 20:02:22 +03:00
Aliaksandr Valialkin
96039dcb40 lib/storage: properly update vm_slow_row_inserts_total metric when importing multiple data points per time series at once 
Previously the `vm_slow_row_inserts_total` metric may be incremented multiple times for different data points per a single time series,
while only a single increment is needed when inserting the first data point for this time series.
 2020-07-30 16:17:19 +03:00
Aliaksandr Valialkin
bafd475f2c vendor: update github.com/valyala/quicktemplate from v1.5.1 to v1.5.2 2020-07-29 18:20:19 +03:00
Aliaksandr Valialkin
1e067401ba lib/httpserver: emit X-Forwarded-For additionally to remoteAddr in error logs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/659
 2020-07-29 13:12:35 +03:00
Aliaksandr Valialkin
338ee47d60 app/vmselect/promql: return non-empty value from rate_over_sum(m[d]) even if a single data point is located in the given [d] window 
Just divide the data point value by the window duration in this case.
 2020-07-29 12:37:34 +03:00
Aliaksandr Valialkin
717c554fb0 app/vmselect/promql: remove rollupFuncArg.realPrevValue handling, since the corner case in increase() is handled in another way now 
See e00cfc854d for the approach used now.
 2020-07-29 12:37:34 +03:00
Aliaksandr Valialkin
d9037b3970 app/vmselect/promql: fill gaps with 0 in rate_over_sum response when the last value before the selected time window isnt empty 2020-07-29 12:37:34 +03:00