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Author SHA1 Message Date
Aliaksandr Valialkin
d86640d609 lib/promscrape: suppress scrape errors if -promscrape.suppressScrapeErrors flag is set 2020-04-16 23:41:52 +03:00
Aliaksandr Valialkin
70104f3fb1 lib/promscrape: print all the labels for the target on error message for failed scrape 
This should improve debuggability.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/420
 2020-04-16 23:35:10 +03:00
Aliaksandr Valialkin
266bbec52d lib/promscrape: retry target scraping when the target closes previously established keep-alive connection to it 
This should fix the following error:

the server closed connection before returning the first response byte. Make sure the server returns 'Connection: close' response header before closing the connection
 2020-04-16 23:25:34 +03:00
Aliaksandr Valialkin
e2c3e1d2e5 docs/Single-server-VictoriaMetrics.md: mention that VictoriaMetrics supports Kubernetes service discovery 2020-04-16 18:40:51 +03:00
Aliaksandr Valialkin
a22a2e9bf4 docs/Single-server-VictoriaMetrics.md: typo fix: unneded -> unneeded 2020-04-16 17:35:47 +03:00
Aliaksandr Valialkin
71c122a814 docs/Single-server-VictoriaMetrics.md: imrpove docs about metrics deletion 2020-04-16 17:32:44 +03:00
Aliaksandr Valialkin
30baf65aa7 docs/Single-server-VictoriaMetrics.md: mention that the delete API can be protected by authKey 2020-04-16 17:20:25 +03:00
Aliaksandr Valialkin
b2d009c8db lib/logger: typo fix 2020-04-16 00:20:02 +03:00
Aliaksandr Valialkin
d4bc60d63c lib/logger: add WARN level for logging expected errors such as invalid user queries 2020-04-15 20:50:45 +03:00
Aliaksandr Valialkin
d23a8b7462 docs/Single-server-VictoriaMetrics.md: typo fix 2020-04-15 15:22:36 +03:00
Aliaksandr Valialkin
9fd1827824 vendor: make vendor-update 2020-04-15 14:51:51 +03:00
Aliaksandr Valialkin
1d4afde6a9 docs/Single-server-VictoriaMetrics.md: clarify how to use -influxListenAddr command-line option 2020-04-15 12:34:32 +03:00
Aliaksandr Valialkin
a873b553cf app/vmselect: handle timestamp(metric offset X) the same way as Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/415
 2020-04-15 12:01:05 +03:00
Aliaksandr Valialkin
99f0cb1f5f lib/promscrape: code cleanup in runScraper func 2020-04-15 11:36:35 +03:00
Aliaksandr Valialkin
90bd92a6f7 docs/Single-server-VictoriaMetrics.md: mention that backfilling can be done via any supported ingestion method 2020-04-15 10:57:26 +03:00
Aliaksandr Valialkin
e9d9638627 lib/storage: skip metricID if the corresponding metricID->metricName is missing in inverted index during search 
This case is possible when the corresponding metricID->metricName entry didn't propagate to inverted index yet.

This should fix the following error:

error when searching tsids for tfss [...]: cannot find metricName by metricID 1582417212213420669: EOF
 2020-04-15 00:10:11 +03:00
Aliaksandr Valialkin
2ce78c0dde docs/Single-server-VictoriaMetrics.md: add https://github.com/Slapper/ansible-victoriametrics-cluster-role to integrations chapter 2020-04-14 16:28:12 +03:00
Aliaksandr Valialkin
6ec582acb9 lib/promscrape: show information on improperly configured scrape targets at the bottom of /targets page 
This is a common error whith improperly configured target autodiscovery and/or relabeling.
This error leads to duplicate scraping of the same targets with the same set of labels, which leads
to duplicate samples in time series.
 2020-04-14 14:55:13 +03:00
Aliaksandr Valialkin
391fb0903e lib/promscrape/discovery/kubernetes: remove only unused client for API server during cleaning 2020-04-14 14:19:26 +03:00
Aliaksandr Valialkin
636e1578de lib/promscrape: add promrelabel.GetLabelValueByName helper function 2020-04-14 14:12:15 +03:00
Aliaksandr Valialkin
3945bf9dec lib/promscrape: mention job name in error messages when target cannot be scraped 
This should improve debuggability
 2020-04-14 13:33:18 +03:00
Aliaksandr Valialkin
66da177fe9 lib/promscrape: reset ScrapeWork.ID in tests 2020-04-14 13:31:37 +03:00
Aliaksandr Valialkin
88366cad15 lib/promscrape: properly expose statuses for targets with duplicate scrape urls at /targets page 
Previously targets with duplicate scrape urls were merged into a single line on the page.
Now each target with duplicate scrape url is displayed on a separate line.
 2020-04-14 13:10:06 +03:00
Aliaksandr Valialkin
09f796e2ab lib/promscrape: remove labels starting with __meta_ after applying relabel_configs as Prometheus does 
This should reduce CPU load during scraping when target discovery generates
big number of `__meta_*` labels (for instance, k8s discovery).

See https://www.robustperception.io/life-of-a-label for details.
 2020-04-14 12:23:30 +03:00
Aliaksandr Valialkin
f58d15f27c lib/promscrape: rename 'scrape_config->scrape_limit' to 'scrape_config->sample_limit' 
`scrape_config` block from Prometheus config contains `sample_limit` field,
while in `vmagent` this field was mistakenly named as `scrape_limit`.
 2020-04-14 12:00:03 +03:00
Aliaksandr Valialkin
755f649c72 docs/vmagent.md: mention that vmagent supports kubernetes_sd_configs now 2020-04-13 21:07:00 +03:00
Aliaksandr Valialkin
7c4fb038e3 lib/promscrape: add initial support for kubernetes_sd_config 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/334
 2020-04-13 21:03:53 +03:00
Aliaksandr Valialkin
4017163393 lib/promscrape: add -promscrape.config.strictParse flag for detecting errors in -promscrape.config file 2020-04-13 13:15:52 +03:00
Aliaksandr Valialkin
7fbfef2aee lib/promscrape: extract common auth code to lib/promauth 2020-04-13 12:59:22 +03:00
Aliaksandr Valialkin
1ce6c311dd vendor: make vendor-update 2020-04-10 18:42:02 +03:00
Aliaksandr Valialkin
e12c97f0b7 vendor: update github.com/klauspost/compress from v1.10.3 to v1.10.4 2020-04-10 18:38:50 +03:00
Aliaksandr Valialkin
3f417ce4d8 deployment/docker: update Go builder image from go1.14.1 to go1.14.2 2020-04-10 18:19:54 +03:00
Aliaksandr Valialkin
e0c6da8e2a lib/storage: disable deduplication after dedup tests are complete 
The rest of tests expect that the de-duplication is disabled.
 2020-04-10 17:33:38 +03:00
Aliaksandr Valialkin
8ed0d5471a lib/storage: correctly handle -dedup.minScrapeInterval values smaller than 8ms 
Such small values may be used for removing samples with duplicate timestamps.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/409 for details.
 2020-04-10 16:40:41 +03:00
Aliaksandr Valialkin
0b2f678d8e lib/{storage,mergeset}: make sure that requests and misses cache counters never go down 2020-04-10 14:44:52 +03:00
Aliaksandr Valialkin
661cfb03e2 lib/protoparser: add -*TrimTimstamp command-line flags for Influx, Graphite, OpenTSDB and CSV data 
These flags can be used for reducing disk space usage for timestamps data ingested over the given protocols
 2020-04-10 12:44:46 +03:00
Aliaksandr Valialkin
f0b08dbd9e lib/workingsetcache: accumulate stat counters on cache rotation 
This should prevent from cache stats counters going down after cache rotation,
which may corrupt `cache hit ratio` graph on the official Grafan dasbhoards
when using the following query:

    1 - (sum(rate(vm_cache_misses_total[5m])) by (type) / sum(rate(vm_cache_requests_total[5m])) by (type))
 2020-04-10 11:51:47 +03:00
Aliaksandr Valialkin
28c65b58a2 lib/memory: add more details to -memory.allowedPercent help message 2020-04-09 15:34:21 +03:00
Aliaksandr Valialkin
38256bd66d docs: update minimum supported Go version from 1.12 to 1.13 2020-04-07 13:39:15 +03:00
Aliaksandr Valialkin
f5121d1e5f docs/CaseStudies.md: updated ARNES numbers 2020-04-06 16:20:44 +03:00
Aliaksandr Valialkin
65ba430632 docs/CaseStudies.md: prettifying of the formatting 2020-04-06 15:24:57 +03:00
Aliaksandr Valialkin
d278e8e1b6 docs/CaseStudies.md: add ARNES case study 2020-04-06 15:18:31 +03:00
Aliaksandr Valialkin
5f679a0f24 docs/Single-server-VictoriaMetrics.md: cosmetic fixes in Importing CSV data chapter 2020-04-06 12:30:16 +03:00
Aliaksandr Valialkin
4661fa5b34 docs/FAQ.md: small fixes 2020-04-05 13:52:55 +03:00
Aliaksandr Valialkin
0452cb21ee docs/FAQ.md: add more articles about VictoriaMetrics performance 2020-04-05 13:47:38 +03:00
Aliaksandr Valialkin
3656d0b13a docs/Articles.md: added a link to https://www.iunera.com/kraken/fabric/time-series-database/ 2020-04-04 16:40:41 +03:00
Aliaksandr Valialkin
2b4d3effad app/vmagent/remotewrite: add "X-Prometheus-Remote-Write-Version: 0.1.0" http header to remote_write request 
This header is required by Cortex (and, probably, other remote storage systems).
See 9c1f44d090/docs/apis.md (remote-api) .

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/399
 2020-04-04 16:24:47 +03:00
Aliaksandr Valialkin
87da127fbf app/victoria-metrics: remove accidentally added testdata for single-node VM 2020-04-04 16:09:08 +03:00
Aliaksandr Valialkin
a012f6fe70 app/vmselect/promql: keep metric name after applying first_over_time and last_over_time functions 2020-04-04 14:54:02 +03:00
Aliaksandr Valialkin
a53e332a93 app/vmstorage: add missing shutdown for http server on graceful shutdown 
This could result in the following panic during graceful shutdown when `/metrics` page is requested:

http: panic serving 10.101.66.5:57366: runtime error: invalid memory address or nil pointer dereference
goroutine 2050 [running]:
net/http.(*conn).serve.func1(0xc00ef22000)
	net/http/server.go:1772 +0x139
panic(0xa0fc00, 0xe91d80)
	runtime/panic.go:973 +0x3e3
github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache.(*Cache).UpdateStats(0x0, 0xc0000516c8)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache/cache.go:224 +0x37
github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexDB).UpdateMetrics(0xc00b931d00, 0xc02c41acf8)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/index_db.go:258 +0x9f
github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*Storage).UpdateMetrics(0xc0000bc7e0, 0xc02c41ac00)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/storage.go:413 +0x4c5
main.registerStorageMetrics.func1(0x0)
	github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:186 +0xd9
main.registerStorageMetrics.func3(0xc00008c380)
	github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:196 +0x26
main.registerStorageMetrics.func7(0xc)
	github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:211 +0x26
github.com/VictoriaMetrics/metrics.(*Gauge).marshalTo(0xc000010148, 0xaa407d, 0x20, 0xb50d60, 0xc005319890)
	github.com/VictoriaMetrics/metrics@v1.11.2/gauge.go:38 +0x3f
github.com/VictoriaMetrics/metrics.(*Set).WritePrometheus(0xc000084300, 0x7fd56809c940, 0xc005319860)
	github.com/VictoriaMetrics/metrics@v1.11.2/set.go:51 +0x1e1
github.com/VictoriaMetrics/metrics.WritePrometheus(0x7fd56809c940, 0xc005319860, 0xa16f01)
	github.com/VictoriaMetrics/metrics@v1.11.2/metrics.go:42 +0x41
github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.writePrometheusMetrics(0x7fd56809c940, 0xc005319860)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/metrics.go:16 +0x44
github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.handlerWrapper(0xb5a120, 0xc005319860, 0xc005018f00, 0xc00002cc90)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:154 +0x58d
github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.gzipHandler.func1(0xb5a120, 0xc005319860, 0xc005018f00)
	github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:119 +0x8e
net/http.HandlerFunc.ServeHTTP(0xc00002d110, 0xb5a660, 0xc0044141c0, 0xc005018f00)
	net/http/server.go:2012 +0x44
net/http.serverHandler.ServeHTTP(0xc004414000, 0xb5a660, 0xc0044141c0, 0xc005018f00)
	net/http/server.go:2807 +0xa3
net/http.(*conn).serve(0xc00ef22000, 0xb5bf60, 0xc010532080)
	net/http/server.go:1895 +0x86c
created by net/http.(*Server).Serve
	net/http/server.go:2933 +0x35c
 2020-04-02 21:09:55 +03:00