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892 commits

Author SHA1 Message Date
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
3e44d9947e lib/promscrape/discovery/kubernetes: properly account the number of objects when watcher is stopped 
A follow-up for b21b110b7a
 2021-02-28 17:06:49 +02:00
Aliaksandr Valialkin
0ef7a94056 lib/promscrape/discovery/kubernetes: add vm_promscrape_discovery_kubernetes_* metrics for monitoring internal state of k8s service discovery 2021-02-28 16:58:45 +02:00
Aliaksandr Valialkin
f52bdbe2a3 lib/promscrape/discovery/kubernetes: remove resourceVersionMatch=NotOlderThan query arg when watching for k8s object changes, since it cannot be used when watch=1 query arg is passed 2021-02-28 16:08:43 +02:00
Aliaksandr Valialkin
6f8866a40a lib/promscrape: fix possible deadlock in parallel execution of target relabeling 2021-02-28 16:05:32 +02:00
Aliaksandr Valialkin
5c9e657808 lib/promscrape/discovery/kubernetes: fix deadlock in startWatcherForURL 
reloadObjects must be called without holding aw.mu lock
 2021-02-28 15:25:33 +02:00
Aliaksandr Valialkin
e77f2f8630 lib/promscrape/discovery/kubernetes: typo fix after 241ffd1f3b 2021-02-28 15:15:27 +02:00
Aliaksandr Valialkin
82441537ff lib/promscrape/discovery/kubernetes: pre-populate labelsByKey in reloadObject() 2021-02-28 15:09:43 +02:00
Aliaksandr Valialkin
e003453941 lib/promscrape/discovery/kubernetes: compare sorted sets of labels in tests 
This should deflake tests where the order of labels isn't stable
 2021-02-28 14:12:32 +02:00
Aliaksandr Valialkin
6a21ef87b7 lib/promscrape: add missing startWatchersForRole() call at the beginning of apiWatcher.getLabelsForRole 2021-02-28 14:00:00 +02:00
Aliaksandr Valialkin
6d0e7fb8b0 lib/promscrape/discovery/kubernetes: reload k8s resources on every error 
This is needed for obtaining fresh resourceVersion
 2021-02-27 01:46:59 +02:00
Aliaksandr Valialkin
7f1302688f lib/fs: follow-up after f3a03c4164 2021-02-27 01:09:37 +02:00
Nikolay
d88fa5ebe4 Adds windows build (#1040) 
* fixes windows compilation,
adds signal impl for windows,
adds free space usage for windows,
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/70
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1036

NOTE victoria metrics database still CANNOT work under windows system,
only vmagent is supported.
To completly port victoria metrics, you have to fix issues with separators,
parsing and posix file removall

* rollback separator

* Adds windows setInformation api,
it must behave like unix, need to test it.
changes procutil

* check for invlaid param

* Fixes posix delete semantic

* refactored a bit

* fixes openbsd build

* removed windows api call

* Fixes code after windows add

* Update lib/procutil/signal_windows.go

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2021-02-27 01:06:22 +02:00
Aliaksandr Valialkin
44975e28fe lib/promscrape: yet another typo fix after ed8441ec52 2021-02-26 23:36:34 +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
50e74c439c lib/promscrape: typo fix after ed8441ec52 2021-02-26 23:04:40 +02:00
Aliaksandr Valialkin
fa3ce450fb lib/promscrape: cache ScrapeWork 
This should reduce the time needed for updating big number of scrape targets.
 2021-02-26 21:43:41 +02:00
Aliaksandr Valialkin
efcdf613c2 lib/promscrape/discovery/kubernetes: cache target labels 
This should reduce CPU usage on repeated SDConfig.GetLabels() calls.
 2021-02-26 20:24:29 +02:00
Aliaksandr Valialkin
22822feea3 lib/promscrape/discovery/kubernetes: errcheck fix 2021-02-26 19:09:12 +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
Nikolay
cf9262b01f vmagent kubernetes watch stream discovery. (#1082) 
* started work on sd for k8s

* continue work on watch sd

* fixes

* continue work

* continue work on sd k8s

* disable gzip

* fixes typos

* log errror

* minor fix

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2021-02-26 19:09:12 +02:00
Aliaksandr Valialkin
4cfac70cde lib/promscrape: remove duplicate code a bit 2021-02-26 15:54:07 +02:00
Aliaksandr Valialkin
55eb983193 lib/promscrape: reduce processing time for big number of discovered targets by processing them in parallel 2021-02-26 12:48:48 +02:00
Aliaksandr Valialkin
f8baf1a76d lib/promrelabel: optimize labeldrop and labelkeep relabeling for prefix.* and prefix.+ regexps 2021-02-24 17:58:11 +02:00
Aliaksandr Valialkin
06676c8feb lib/storage: consistency renaming: durationsPerDateTagFilterCache -> loopsPerDateTagFilterCache 2021-02-23 15:50:08 +02:00
faceair
b1409a7413 lib/storage: correct tagfilter match cost (#1079) 2021-02-22 21:54:37 +02:00
Aliaksandr Valialkin
197ecca426 lib/promrelabel: add more optimizations for relabeling for common cases 2021-02-22 16:36:54 +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
587132555f lib/mergeset: reduce memory usage for inmemoryBlock by using more compact items representation 
This also should reduce CPU time spent by GC, since inmemoryBlock.items don't have pointers now,
so GC doesn't need visiting them.
 2021-02-21 22:09:10 +02:00
Aliaksandr Valialkin
bd3bcdc43c lib/storage: do not re-calculate stats for heavy tag filters 
This should reduce the number of slow queries when stats for heavy tag filters was recalculated.
 2021-02-21 21:43:37 +02:00
Aliaksandr Valialkin
b8a5ee2e93 lib/{mergeset,storage}: allow merging smaller number of small parts 
While this may increase CPU and disk IO usage needed for background merge,
this also recudes CPU usage during queries in production. This is because
such queries tend to read recently added data and it is better to have lower number
of parts for such data in order to reduce CPU usage.

This partially reverts ebf8da3730
 2021-02-21 21:43:37 +02:00
Aliaksandr Valialkin
34195218e1 lib/{mergeset,storage}: do not use pools for indexBlock and inmemoryBlock during their caching, since this results in higher memory usage in production without any performance gains 2021-02-21 21:43:37 +02:00
Aliaksandr Valialkin
f09b46b2b1 lib/promscrape: typo fix after the commit f26162ec99 2021-02-19 00:34:18 +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
502d0e2524 lib/promscrape: add scrape_align_interval config option into scrape config 
This option allows aligning scrapes to a particular intervals.
 2021-02-18 23:53:04 +02:00
Aliaksandr Valialkin
10ccb92e4d lib/storage: use composite index for a query with a name filter and negative filters 2021-02-18 18:57:45 +02:00
Aliaksandr Valialkin
418de71509 lib/storage: properly handle queries containing a filter on metric name plus any number of negative filters and zero non-negative filters 
Example: `node_cpu_seconds_total{mode!="idle"}`
 2021-02-18 18:33:05 +02:00
Aliaksandr Valialkin
628b8eb55e lib/storage: prevent from running identical heavy tag filters in concurrent queries when measuring the number of loops for such tag filter. 
This should reduce CPU usage spikes when measuring the number of loops needed for heavy tag filters
 2021-02-18 14:01:18 +02:00
Aliaksandr Valialkin
fd41f070db lib/storage: sort tag filters by the number of loops they need for the execution 
This metric should work better than the filter execution duration, since it cannot be distorted
by concurrently running queries.
 2021-02-18 12:52:29 +02:00
Aliaksandr Valialkin
9566015a36 Revert "lib/mergeset: tune lifetime for entries inside block caches" 
This reverts commit 458c89324d.

Production testing revealed zero improvements for memory usage with reduced lifetime for entries in block caches.
 2021-02-17 20:42:15 +02:00
Aliaksandr Valialkin
b4c7d5992b lib/storage: move composite filters to the top during sorting 2021-02-17 20:26:32 +02:00
Aliaksandr Valialkin
2005d8212a lib/storage: return back filter arg to getMetricIDsForTagFilter function 
The filter arg has been removed in the commit c7ee2fabb8
because it was preventing from caching the number of matching time series per each tf.

Now the cache contains duration for tf execution, so the filter shouldn't break such caching.
 2021-02-17 19:33:15 +02:00
Aliaksandr Valialkin
83da939947 app/vmstorage: export vm_composite_filter_success_conversions_total and vm_composite_filter_missing_conversions_total metrics 2021-02-17 19:13:49 +02:00
Aliaksandr Valialkin
0c5bb2a397 lib/storage: revert ecf132933e, since negative filters require the same amount of work as non-negative filters 2021-02-17 18:56:13 +02:00
Aliaksandr Valialkin
bbc287ea6a lib/storage: tag filters sorting... 2021-02-17 18:56:12 +02:00
Aliaksandr Valialkin
f5e841c1e9 lib/storage: further tune tag filters sorting 2021-02-17 17:28:36 +02:00
Aliaksandr Valialkin
9d1f14d94c lib/storage: tune the logic for sorting tag filters according the their exeuction times 2021-02-17 15:02:19 +02:00
Aliaksandr Valialkin
1a19702d92 lib/storage: make sure that nobody uses partitions when closing the table 2021-02-17 15:02:18 +02:00