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Author SHA1 Message Date
Aliaksandr Valialkin
aecd744139 deployment/docker: update Go builder from v1.16.5 to v1.16.6 
Ths Go release has the following bugfixes: https://github.com/golang/go/issues?q=milestone%3AGo1.16.6+label%3ACherryPickApproved
 2021-07-13 14:25:35 +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
Aliaksandr Valialkin
51cd19d2e3 lib/storage: reset perKeyMisses stats less frequently 
This should reduce CPU usage for queries executed with intervals higher than 30 seconds
 2021-07-12 14:34:54 +03:00
Aliaksandr Valialkin
3f705fe8d7 lib/storage: properly limit the size of storage/date_metricID cache 2021-07-12 14:25:28 +03:00
Aliaksandr Valialkin
390a31ccfa docs/CHANGELOG.md: document the change from bfba4c28a4 2021-07-12 12:42:42 +03:00
Aliaksandr Valialkin
d98e22fe50 app/vmalert: accept Prometheus-like durations in interval config option inside group section 2021-07-12 12:36:22 +03:00
Aliaksandr Valialkin
253fe7699c docs: update http://slack.victoriametrics.com to https://slack.victoriametrics.com 2021-07-12 10:58:19 +03:00
Aliaksandr Valialkin
ef3c58d7a3 lib/storage: properly determine when the deduplication is needed in needsDedup 
Previously needsDedup() could return true if the de-duplication wasn't needed for the following case:

         d < interval
           /     \
   |        v | v        |
     interval   interval

Now it properly returns false for this case
 2021-07-12 10:54:51 +03:00
Aliaksandr Valialkin
f5fa177141 Revert "app/vmselect: expose vmui at /select/<accountID>/prometheus/vmui additionally to /select/<accountID>/vmui" 
This reverts commit 885a79def6799f288e14df05b35a12569659ab85.

Reason for revert: Grafana doesn't allows accessing /select/<accountID>/prometheus/vmui :(
 2021-07-12 09:08:43 +03:00
Aliaksandr Valialkin
ddaa12050d app/vmselect: expose vmui at /select/<accountID>/prometheus/vmui additionally to /select/<accountID>/vmui 
The /select/<accountID>/prometheus/vmui is needed for accessing via server-side Prometheus datasource for Grafana.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413
 2021-07-10 12:52:25 +03:00
Aliaksandr Valialkin
0b98f6c7ff app/vmselect: expose vmui at /vmselect/<accountID>/vmui/ instead of /vmselect/<accountID>/prometheus/vmui/ 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413
 2021-07-10 12:32:21 +03:00
Aliaksandr Valialkin
98e049ba6d app/vmui: move source code from https://github.com/VictoriaMetrics/vmui to app/vmui 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413
 2021-07-09 17:13:51 +03:00
Aliaksandr Valialkin
9900a1f563 docs: clarify what does "workload" mean in capacity planning docs 2021-07-09 12:50:51 +03:00
Aliaksandr Valialkin
2c5e1cd893 app/vmselect: move web ui from /ui to /select/<accountID>/prometheus/ui 
This way the UI is available for every tenant (aka accountID) and the UI can automatically determine the needed per-tenant datasource path from page referer.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413
 2021-07-08 13:14:50 +03:00
Aliaksandr Valialkin
acb7a95c64 app/vmselect: follow-up after aa11ef6d3b 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1413
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4
 2021-07-07 17:45:09 +03:00
tony
aa11ef6d3b
add vmui for vmselect component (#1431) 
Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2021-07-07 17:04:23 +03:00
Aliaksandr Valialkin
6f8dd85deb docs/Cluster-VictoriaMetrics.md: improve capacity planning recommendations 2021-07-07 16:21:59 +03:00
Aliaksandr Valialkin
a374ede8e4 vendor: make vendor-update 2021-07-07 16:10:41 +03:00
Aliaksandr Valialkin
a2ad6644b9 vendor: update github.com/VictoriaMetrics/metrics from v1.17.2 to v1.17.3 2021-07-07 16:10:40 +03:00
Aliaksandr Valialkin
41754e12f8 lib/mergeset: cache indexBlock items only on the second request 
This should reduce the indexdb/indexBlocks cache size, since it won't contain one-time-wonders items.
 2021-07-07 15:24:37 +03:00
Aliaksandr Valialkin
9c19719ad6 app/{vminsert,vmselect}: export vminsert_request_duration_seconds and vmselect_request_duration_seconds histograms 2021-07-07 13:27:23 +03:00
Aliaksandr Valialkin
ceda2b1df4 lib/httpserver: print full requestURI in httpserver.Errorf 
This should simplify debugging.
 2021-07-07 13:11:29 +03:00
Aliaksandr Valialkin
4e87638877 docs: clarify capacity planning docs 2021-07-07 12:48:07 +03:00
Aliaksandr Valialkin
9826f7c1be lib/storage: do not cache inmemoryBlock entries requested only once (aka one-time-wonder items) 
This should reduce the cache size and memory usage for the indexdb/dataBlocks cache
 2021-07-07 10:59:45 +03:00
Aliaksandr Valialkin
74ace9340d lib/storage: periodically reset prefetchedMetricIDs cache in order to limit its size under high churn rate 2021-07-07 10:59:39 +03:00
Roman Khavronenko
ce3f087d46
alerts: sync alert expression for DiskRunsOutOfSpaceIn3Days with dashboard (#1435) 2021-07-07 00:47:08 +03:00
Aliaksandr Valialkin
a846febc89 Revert "lib/uint64set: allow reusing bucket16 structs inside uint64set.Set via uint64set.Release method" 
This reverts commit 7c6d3981bf.

Reason for revert: high contention at bucket16Pool on systems with big number of CPU cores.
This slows down query processing significantly.
 2021-07-06 18:26:56 +03:00
Aliaksandr Valialkin
b805a675f3 lib/{mergeset,storage}: switch from sync.Pool to chan-based pool for inmemoryPart objects 
This should reduce memory usage on systems with big number of CPU cores,
since every inmemoryPart object occupies at least 64KB of memory and sync.Pool maintains
a separate pool inmemoryPart objects per each CPU core.

Though the new scheme for the pool worsens per-cpu cache locality, this should be amortized
by big sizes of inmemoryPart objects.
 2021-07-06 16:33:25 +03:00
Aliaksandr Valialkin
d8e7c1ef27 lib/uint64set: allow reusing bucket16 structs inside uint64set.Set via uint64set.Release method 
This reduces the load on memory allocator in Go runtime in production workload.
 2021-07-06 16:33:24 +03:00
Aliaksandr Valialkin
db6bd69475 lib/mergeset: increase pool capacity for inmemoryBlock according to collected profiles from production workload 
CPU and memory profiles show that the pool capacity for inmemoryBlock objects is too small.
This results in the increased load on memory allocation code in Go runtime.
Increase the pool capacity in order to reduce the load on Go runtime.
 2021-07-06 13:44:27 +03:00
Aliaksandr Valialkin
fd32855a6c lib/mergeset: limit the frequency for flushCallback calls to once per 10 seconds 
This should improve hit ratio for tagFiltersCache when big number of new time series are constantly registered
(aka high churn rate). This, in turn, should reduce CPU usage for queries over such time series.
 2021-07-06 12:20:15 +03:00
Aliaksandr Valialkin
22c6e64bbc lib/storage: consistency renaming: tagCache -> tagFiltersCache 
This improves code readability
 2021-07-06 11:03:30 +03:00
Aliaksandr Valialkin
21abf487c3 lib/workingsetcache: properly update stats for requests and cache misses 
Previously the stats for cache misses could be improperly counted, because it had inflated cache misses
if the entry was missing in the curr cache, but was existing in the prev cache.

The same applies to cache requests - they were inflated if the entry was missing in the curr cache.
 2021-07-06 10:54:38 +03:00
Roman Khavronenko
0541e3108a add option to add Copy button for code snippets (#1433) 
To add a Copy button wrap code snippet with the following element:
```
<div class="with-copy" markdown="1">

<your-code-snippet>

</div>
```

See the changes to `Kubernetes monitoring with VictoriaMetrics Single` for details.
 2021-07-06 10:54:37 +03:00
Aliaksandr Valialkin
e5031d9aee lib/workingsetcache: fix cache capacity calculations after 4f0003f182 2021-07-05 17:16:35 +03:00
Aliaksandr Valialkin
bd71f102e8 lib/workingsetcache: typo fixes after d0c830039d 2021-07-05 15:35:51 +03:00
Roman Khavronenko
e2b5f93170 move github-pages docs to the main repo (#1432) 
* move github-pages docs to the main repo

* rm github actions for copying docs to VictoriaMetrics/VictoriaMetrics.github.io
 2021-07-05 15:20:29 +03:00
Aliaksandr Valialkin
4b25e627f8 lib/workingsetcache: properly switch to whole mode 
Previously the switch from `split` to `whole` mode had been performed too early,
e.g. when the current cache size became bigger than 1/4 of the allowed cache size.

Now it is performed when the current cache size becomes bigger than 1/2 of the allowed cache size.

This change can reduce memory usage for data ingestion path when big number of active time series are ingested.
 2021-07-05 15:15:39 +03:00
Aliaksandr Valialkin
51516b96e6 lib/storage: tune cache sizes according to production workload 2021-07-05 15:14:45 +03:00
Aliaksandr Valialkin
f12f97daa1 lib/{storage,mergeset}: increase cache timeout for data and index blocks from a minute to two minutes 
One minute cache timeout result in slower queries in some production workloads where the interval
between query execution is in the range 1 minute - 2 minutes.
 2021-07-05 14:25:59 +03:00
Aliaksandr Valialkin
377bb06b47 lib/cgroup: set GOGC to 50 by default if it isn't set 
This should reduce memory usage for typical VictoriaMetrics workloads by up to 50%
 2021-07-05 12:34:01 +03:00
Aliaksandr Valialkin
28a778dc9f docs/CHANGELOG.md: document the bugfix for vm_merge_need_free_disk_space metric at 9a83e9018d 2021-07-05 12:01:24 +03:00
Aliaksandr Valialkin
2386829ad6 docs/Articles.md: add an url to https://medium.com/ibm-garage/monitoring-of-multiple-openshift-clusters-with-victoriametrics-d4f0979e2544 2021-07-05 11:52:18 +03:00
Aliaksandr Valialkin
8055439fe4 lib/storage: properly detect free disk space shortage during data merge 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1373
 2021-07-02 17:42:23 +03:00
Aliaksandr Valialkin
44855f0c9b app/{vmselect,vmstorage}: clarify the description for -dedup.minScrapeInterval command-line flag 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1426
 2021-07-02 15:06:41 +03:00
Aliaksandr Valialkin
6fc3696260 lib/promscrape/discovery/consul: use case-insensitive comparison for service names 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1424
 2021-07-02 14:49:22 +03:00
Aliaksandr Valialkin
61e483a01c lib/protoparser/clusternative: remove unused field - unmarshalWork.lastResetTime 
This is a follow-up for b84aea1e6e
 2021-07-02 13:32:59 +03:00
Aliaksandr Valialkin
72de54f93e lib/promauth: cache the client TLS certificate for up to a second 
This should reduce CPU usage when TLS connections are established at a high rate.
 2021-07-02 13:20:18 +03:00
Aliaksandr Valialkin
a12c6a52c9 vendor: update github.com/VictoriaMetrics/fasthttp from v1.0.15 to v1.0.16 
This should help with proper copying of tls.Config struct after it has been set up in lib/promauth.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1420
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/470
 2021-07-02 12:05:23 +03:00
Aliaksandr Valialkin
4b4e69791f docs/Cluster-VictoriaMetrics.md: typo fix: siplify -> simplify 2021-07-02 10:50:26 +03:00