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Author SHA1 Message Date
Aliaksandr Valialkin
525101339e app/vmselect/promql: automatically apply offset -step to rollup_candlestick function in order to obtain the expected OHLC results 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/309
 2020-02-04 23:24:35 +02:00
Aliaksandr Valialkin
ada6a3da8d app/vmselect/promql: adjust rollup_candlestick calculations to the exepcted results 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/309
 2020-02-04 22:42:13 +02:00
Aliaksandr Valialkin
40c6ae2952 lib/logger: initialize output to os.Stderr by default 2020-02-04 22:40:44 +02:00
Aliaksandr Valialkin
cff0cb297c Do not require checking for errors returned from fmt.Fprint 
This fixes `make errcheck` error found in lib/logger
 2020-02-04 22:03:37 +02:00
Aliaksandr Valialkin
e0a4c37fc1 lib/logger: add -loggerOutput command-line flag 
This flag allows changing log output from `stderr` to `stdout` if `-loggerOutput=stdout` is set.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/306
 2020-02-04 21:47:56 +02:00
Aliaksandr Valialkin
7f3e3a6034 lib/logger: do not clutter -loggerFormat=json output with stack trace 
This should improve json parsing
 2020-02-04 21:37:25 +02:00
Aliaksandr Valialkin
bd4698bb7a lib/storage: do not deduplicate blocks with less than 32 samples during merge 
This should improve deduplication accuracy for blocks with higher number of samples.
 2020-02-04 18:41:54 +02:00
Aliaksandr Valialkin
36a1ac8360 app/vmselect: take into account the time the requests wait in the queue if -search.maxConcurrentRequests is exceeded 
This will prevent from excess CPU usage for timed out queries.
 2020-02-04 16:15:08 +02:00
Aliaksandr Valialkin
834051e5b2 app/vmselect: add a placeholder for /api/v1/metadata, which could be requested by Grafana 
See https://prometheus.io/docs/prometheus/latest/querying/api/#querying-metric-metadata

VictoriaMetrics doesn't collect any metadata for metrics, so just return empty response.
 2020-02-04 15:53:47 +02:00
Aliaksandr Valialkin
42864bb52f all: do not clash flag description with back-quoted flag types 
See https://golang.org/pkg/flag/#PrintDefaults for more details.
 2020-02-04 15:46:52 +02:00
Roman Khavronenko
1e023c6a72
Single dashboard (#300) 
* improve description for `Pending datapoints` panel

* bump VM version requirement
 2020-02-03 02:09:53 +02:00
Artem Navoiev
a47f292295 [vmalert] add vmalert.png.2 2020-02-02 12:17:19 +02:00
Artem Navoiev
354232b62b [vmalert] add vmalert.png 2020-02-02 12:16:05 +02:00
Artem Navoiev
28778be0cc [vmalert] initial 2020-02-02 12:14:09 +02:00
Aliaksandr Valialkin
90cf356ea1 app/vmselect/promql: adjust and and unless binary operator handling to be consistent with Prometheus 2020-01-31 18:52:38 +02:00
Aliaksandr Valialkin
c0b69ed06e deployment/docker: update Go builder from v1.13.6 to v1.13.7 2020-01-31 18:06:58 +02:00
Aliaksandr Valialkin
011a79da85 lib/fs: remove unused readerAt interface 2020-01-31 15:12:43 +02:00
Aliaksandr Valialkin
c3d86eef96 all: add -dedup.minScrapeInterval command-line flag for data de-duplication 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/86
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/278
 2020-01-31 01:16:57 +02:00
Aliaksandr Valialkin
2152f6f0cd lib/storage: re-use indexSearch inside Storage.prefetchMetricNames 2020-01-31 01:16:53 +02:00
Aliaksandr Valialkin
d70ba7eb37 lib/fs: optimize small reads for ReaderAt.MustReadAt by reading from memory-mapped space instead of reading from file descriptor 
This should improve performance when reading many small blocks.
 2020-01-30 15:09:05 +02:00
Aliaksandr Valialkin
ad8af629bb all: rename ReadAt* to MustReadAt* in order to dont clash with io.ReaderAt 2020-01-30 15:08:58 +02:00
Aliaksandr Valialkin
d68546aa4a lib/storage: pre-fetch metricNames for the found metricIDs in Search.Init 
This should speed up Search.NextMetricBlock loop for big number of found time series.
 2020-01-30 15:08:51 +02:00
Aliaksandr Valialkin
5bb9ccb6bf lib/mergeset: properly update lastAccesstime in indexBlockCache entries 
This is a follow-up for 6665f10e7b
 2020-01-29 21:20:47 +02:00
Aliaksandr Valialkin
a462355b2f app/vmselect/promql: add keep_next_value(q) for filling gaps with the next non-empty value 2020-01-29 00:48:04 +02:00
Aliaksandr Valialkin
bdbb463756 docs/Single-server-VictoriaMetrics.md: fix heading size for Third-party contributions section 2020-01-28 23:13:35 +02:00
Aliaksandr Valialkin
371e86194d app/vminsert: moved -maxInsertRequestSize command-line flag out of lib/prompb in order to prevent its inclusion in vmselect and vmstorage apps 2020-01-28 23:02:08 +02:00
Aliaksandr Valialkin
adbbc4fa1a app/vmselect/promql: return expected results from increase() over the beginning of time series, which start from big value 
Examples for such counters: OS-level counters for network or cpu stats.
 2020-01-28 16:30:11 +02:00
Aliaksandr Valialkin
75ad47a43c app/victoria-metrics: check for error arg passed to filepath.Walk callback 2020-01-27 20:56:45 +02:00
Aliaksandr Valialkin
6320a19a8c app/victoria-metrics: remove integration build tag from tests 
This simplifies testing with `go test ./app/victoria-metrics` without
the need to remember to pass `-tags=integration` to Go commands.
 2020-01-27 20:25:28 +02:00
Aliaksandr Valialkin
7b26db5527 docs/Single-server-VictoriaMetrics.md: update Retention section 2020-01-27 18:44:21 +02:00
Alexander Danilov
1a3626bbe1 Add description for retention and how it works (#297) 2020-01-27 18:38:22 +02:00
Aliaksandr Valialkin
8074c10590 README.md: mention https://github.com/AnchorFree/tsdb-remote-write 2020-01-27 18:35:48 +02:00
Aliaksandr Valialkin
2392a359e1 app/vmselect/promql: fix panic on a single zero vmrange bucket in prometheus_buckets() function 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/296
 2020-01-27 18:04:55 +02:00
Aliaksandr Valialkin
6caa9bb51b lib/logger: fix improperly set skipframes for all the logging functions 
The bug has been introduced in the previous commit f6baee6efe
 2020-01-26 18:34:27 +02:00
Aliaksandr Valialkin
f6baee6efe lib/httpserver: log the caller of httpserver.Errorf 
Previously log message contained `httpserver.Errorf`, not it contains the caller of `httpserver.Errorf`, which is more useful.
 2020-01-25 20:17:59 +02:00
Aliaksandr Valialkin
9df5b2d1c3 app/victoria-metrics: add -selfScrapeInterval flag for self-scraping /metrics page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/30
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/180
 2020-01-25 19:19:59 +02:00
Aliaksandr Valialkin
2a0a0ed14d lib/protoparser: add parser for Prometheus exposition text format 
This parser will be used by vmagent
 2020-01-24 20:11:02 +02:00
Aliaksandr Valialkin
6456c93dbb app/vminsert: move ingestion protocol parsers to lib/protoparser, so they could be re-used in the upcoming vmagent 2020-01-24 16:53:00 +02:00
Aliaksandr Valialkin
1efea246b7 docs/Articles.md: add a link to https://medium.com/@valyala/billy-how-victoriametrics-deals-with-more-than-500-billion-rows-e82ff8f725da 2020-01-22 19:08:35 +02:00
Aliaksandr Valialkin
680080887d all: consistently log durations in seconds with millisecond precision 
This should improve logs readability
 2020-01-22 18:28:27 +02:00
Aliaksandr Valialkin
3992984e10 vendor: make vendor-update 2020-01-22 18:08:39 +02:00
Aliaksandr Valialkin
9773022e50 app/vmselect: mention the original query and time range in error messages 
This should simplify debugging invalid or heavy queries.
 2020-01-22 17:36:36 +02:00
Aliaksandr Valialkin
f8954c7250 vendor: update github.com/klauspost/compress from v1.9.7 to v1.9.8 
New version should have better gzip compression. See https://github.com/klauspost/compress#changelog
 2020-01-22 16:50:15 +02:00
Aliaksandr Valialkin
0ef6f91410 docs: Mention Slack and Telegram channels for user questions 2020-01-22 16:50:14 +02:00
Aliaksandr Valialkin
efc7ad88ec app/vmselect: mention command-line flag, which could be used for adjusting query timeouts, in timeout errors 2020-01-22 15:50:48 +02:00
Aliaksandr Valialkin
ec9651e266 app/vmselect/prometheus: increase default value -maxExportDuration to 30 days, since 10 minutes beat users exporting bit amounts of data 2020-01-22 15:50:47 +02:00
Aliaksandr Valialkin
a8b2f82fc6 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.5 to v1.5.7 2020-01-22 12:31:32 +02:00
Aliaksandr Valialkin
582dd01f42 app/vmselect/promql: add range_over_time(m[d]) function for calculating value range for m over d 2020-01-21 19:05:17 +02:00
Aliaksandr Valialkin
36973ee975 app/vmselect/promql: add label_match(q, label, regexp) and label_mismatch(q, label, regexp) functions for filtering out time series with labels matching the given regexp 2020-01-21 15:00:20 +02:00
Aliaksandr Valialkin
6665f10e7b lib/{mergeset,storage}: properly update lastAccessTime in index and data block cache entries 2020-01-20 14:59:47 +02:00