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904 commits

Author SHA1 Message Date
Aliaksandr Valialkin
062211c61c lib/promscrape: pre-allocate space for a map in mergeLabels 
This should reduce the number of memory allocations when discovering big number of targets
 2021-03-02 18:41:58 +02:00
Aliaksandr Valialkin
d1d34664b5 lib/promscrape/discovery: properly track vm_promscrape_discovery_kubernetes_objects_removed_total metric 2021-03-02 18:32:54 +02:00
Aliaksandr Valialkin
a939667ce0 lib/promrelabel: remove unneded optimizations for labeldrop and labelkeep actions 
These optimizations may slow down code execution by matching the same label against regexp two times instead of a single time
 2021-03-02 17:55:43 +02:00
Aliaksandr Valialkin
6a7ef768ff lib/promscrape/discovery/kubernetes: cache ScrapeWork objects as soon as the corresponding k8s objects are changed 
This should reduce CPU usage and memory usage when Kubernetes contains tens of thousands of objects
 2021-03-02 16:42:55 +02:00
Aliaksandr Valialkin
22b1941cfc lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:46:26 +02:00
Nikolay
f6114345de
Adds webIndentity token for aws (#1099) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1080
 2021-03-02 13:27:09 +02:00
Aliaksandr Valialkin
937f382938 lib/protoparser/prometheus: properly unescape label values in Prometheus exposition format 
Unescape only `\n`, `\"` and `\\` sequences as Prometheus does. Other escape sequences shouldn't be unescaped.
 2021-03-02 13:21:43 +02:00
Aliaksandr Valialkin
019d8e88d8 lib/protoparser/graphite: fix parsing of a Graphite line with empty tags such as foo; 1 2 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1100
 2021-03-01 17:16:35 +02:00
Aliaksandr Valialkin
1a3689af9a lib/promscrape/discovery/kubernetes: deflake tests; a follow-up for 05fb08713c 2021-03-01 14:32:12 +02:00
Aliaksandr Valialkin
62ebf5c88e lib/promscrape: explicitly stop and cleanup service discovery routines when new config is read from -promscrape.config 
This should reduce memory usage when `-promscrape.config` file frequently changes
 2021-03-01 14:14:00 +02:00
Aliaksandr Valialkin
e32ad9e923 lib/promscrape: use target arg in ScrapeWork cache 2021-03-01 12:29:09 +02:00
Aliaksandr Valialkin
f5d77a7081 lib/promscrape: typo fix, which prevented from caching ScrapeWork entries 2021-03-01 12:12:56 +02:00
Aliaksandr Valialkin
e84153d5ca lib/promscrape: add vm_promscrape_scrapework_cache_* metrics for tracking ScrapeWork cache effectiveness 2021-03-01 12:05:45 +02:00
Aliaksandr Valialkin
7f15cd7161 lib/httpserver: make make errcheck happy after the commit 9fc7726d84 2021-03-01 00:34:43 +02:00
Aliaksandr Valialkin
530e9904af lib/promscrape: reduce CPU usage an memory allocations when constructing scrapeWorkKey 2021-02-28 22:29:58 +02:00
Aliaksandr Valialkin
9fc7726d84 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 19:22:50 +02:00
Aliaksandr Valialkin
e5ca8ac0db lib/promscrape: add ability to spread scrape targets among multiple vmagent instances 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1084
 2021-02-28 18:41:08 +02:00
Aliaksandr Valialkin
e02d1ef93c lib/promscrape/discovery/kubernetes: properly account the number of objects when watcher is stopped 
A follow-up for b21b110b7a
 2021-02-28 17:06:02 +02:00
Aliaksandr Valialkin
b21b110b7a lib/promscrape/discovery/kubernetes: add vm_promscrape_discovery_kubernetes_* metrics for monitoring internal state of k8s service discovery 2021-02-28 16:57:40 +02:00
Aliaksandr Valialkin
c459600346 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 16:07:14 +02:00
Aliaksandr Valialkin
59a31171e3 lib/promscrape: fix possible deadlock in parallel execution of target relabeling 2021-02-28 16:05:13 +02:00
Aliaksandr Valialkin
68a0f5ce12 lib/promscrape/discovery/kubernetes: fix deadlock in startWatcherForURL 
reloadObjects must be called without holding aw.mu lock
 2021-02-28 15:26:30 +02:00
Aliaksandr Valialkin
b523e0369c lib/promscrape/discovery/kubernetes: typo fix after 241ffd1f3b 2021-02-28 15:12:17 +02:00
Aliaksandr Valialkin
241ffd1f3b lib/promscrape/discovery/kubernetes: pre-populate labelsByKey in reloadObject() 2021-02-28 15:09:49 +02:00
Aliaksandr Valialkin
05fb08713c 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 14:10:19 +02:00
Aliaksandr Valialkin
af8b7e8391 lib/promscrape: add missing startWatchersForRole() call at the beginning of apiWatcher.getLabelsForRole 2021-02-28 14:00:17 +02:00
Aliaksandr Valialkin
422b31de40 lib/promscrape/discovery/kubernetes: reload k8s resources on every error 
This is needed for obtaining fresh resourceVersion
 2021-02-27 01:47:27 +02:00
Aliaksandr Valialkin
7cc3d96a41 lib/fs: follow-up after f3a03c4164 2021-02-27 01:01:47 +02:00
Nikolay
f3a03c4164
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 00:37:07 +02:00
Aliaksandr Valialkin
a78948ae8b lib/promscrape: yet another typo fix after ed8441ec52 2021-02-26 23:35:47 +02:00
Aliaksandr Valialkin
8683ea85e6 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 23:25:14 +02:00
Aliaksandr Valialkin
9fa2632ac3 lib/promscrape: typo fix after ed8441ec52 2021-02-26 23:04:05 +02:00
Aliaksandr Valialkin
ed8441ec52 lib/promscrape: cache ScrapeWork 
This should reduce the time needed for updating big number of scrape targets.
 2021-02-26 21:43:22 +02:00
Aliaksandr Valialkin
815666e6a6 lib/promscrape/discovery/kubernetes: cache target labels 
This should reduce CPU usage on repeated SDConfig.GetLabels() calls.
 2021-02-26 20:23:28 +02:00
Aliaksandr Valialkin
19712fc2bd lib/promscrape/discovery/kubernetes: errcheck fix 2021-02-26 17:00:08 +02:00
Aliaksandr Valialkin
c8f2f9b2e8 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 16:54:05 +02:00
Nikolay
9b2246c29b
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 16:46:13 +02:00
Aliaksandr Valialkin
a93e644001 lib/promscrape: remove duplicate code a bit 2021-02-26 16:39:56 +02:00
Aliaksandr Valialkin
f7b242540b lib/promscrape: reduce processing time for big number of discovered targets by processing them in parallel 2021-02-26 16:39:56 +02:00
Aliaksandr Valialkin
f7049e2af7 lib/promrelabel: optimize labeldrop and labelkeep relabeling for prefix.* and prefix.+ regexps 2021-02-24 17:58:28 +02:00
Aliaksandr Valialkin
2c44178645 lib/storage: consistency renaming: durationsPerDateTagFilterCache -> loopsPerDateTagFilterCache 2021-02-23 15:47:19 +02:00
faceair
15d61c4879
lib/storage: correct tagfilter match cost (#1079) 2021-02-22 21:46:56 +02:00
Aliaksandr Valialkin
d136081040 lib/promrelabel: add more optimizations for relabeling for common cases 2021-02-22 16:33:55 +02:00
Aliaksandr Valialkin
dd1e53b119 lib/promrelabel: optimize relabeling performance for common cases 2021-02-22 00:51:13 +02:00
Aliaksandr Valialkin
ff5bbc4b88 lib/promscrape: export vm_promscrape_target_relabel_duration_seconds metric 2021-02-21 23:21:42 +02:00
Aliaksandr Valialkin
636c55b526 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 22:06:47 +02:00
Aliaksandr Valialkin
388cdb1980 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 21:39:01 +02:00
Aliaksandr Valialkin
48656dcc38 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 21:28:36 +02:00
Aliaksandr Valialkin
cb311bb156 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 21:18:59 +02:00
Aliaksandr Valialkin
2cfb376945 lib/promscrape: typo fix after the commit f26162ec99 2021-02-19 00:33:37 +02:00