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Author SHA1 Message Date
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
Aliaksandr Valialkin
04363d6511 README.md: mention that delete API shouldnt be used on a regular basis due to non-zero overhead 2020-01-20 13:28:36 +02:00
Aliaksandr Valialkin
c97ade4487 docs/FAQ.md: typo fix according to comment from https://www.reddit.com/message/messages/lezkmo 2020-01-18 18:05:13 +02:00
Aliaksandr Valialkin
970f0dfbf2 docs/CaseStudies.md: add links to COLOPL talk about VictoriaMetrics 2020-01-18 17:23:33 +02:00
Aliaksandr Valialkin
227cf53ef9 app/vminsert: increase default value for -insert.maxQueueDuration from 30s to 60s 
This should help catching up with high ingestion rate after VictoriaMetrics restart.
 2020-01-18 14:39:36 +02:00
Aliaksandr Valialkin
257e61195a lib/uint64set: add missing bucket32.b16his values 2020-01-18 14:26:04 +02:00
Aliaksandr Valialkin
4cc0c44b9e lib/uint64set: optimize Set.Union 
This should improve performance for queries over big number of time series
 2020-01-18 13:47:03 +02:00
Aliaksandr Valialkin
1b5f02e293 lib/uint64set: add benchmarks for Set.Union 2020-01-18 13:47:02 +02:00
Aliaksandr Valialkin
3748fb24b6 lib/storage: skip recovering timestamps order for lossless compression (PrecisionBits=64) 2020-01-18 00:09:33 +02:00
Aliaksandr Valialkin
c9472e4f3a all: use github.com/klauspost/compress/gzip instead of compress/gzip 
`github.com/klauspost/compress/gzip` is more optimized than `compress/gzip`.
This gives better gzip compression and decompression speeds.
 2020-01-17 23:58:46 +02:00
Aliaksandr Valialkin
bc0f897fcb lib/uint64set: reduce memory allocations in Set.AppendTo 2020-01-17 22:33:09 +02:00
Aliaksandr Valialkin
f9289b804a lib/storage: reduce memory allocations when merging metricID sets 2020-01-17 22:10:44 +02:00
Aliaksandr Valialkin
0c8ad08578 lib/uint64set: typo fix in Set.Intersect 2020-01-17 18:10:58 +02:00
Aliaksandr Valialkin
cdcacaea6d app/vmselect/netstorage: make fmt 2020-01-17 17:47:21 +02:00
Aliaksandr Valialkin
7327adbc86 app/vmselect/netstorage: limit the maximum size for in-memory buffer for temporary blocks file 
This should reduce memory usage on systems with more than 8GB RAM.
 2020-01-17 16:28:21 +02:00
Aliaksandr Valialkin
9f027ec176 lib/uint64set: optimize Intersect, Subtract and Union functions 
This should improve performance for queries over big number of time series.
 2020-01-17 16:11:49 +02:00
Aliaksandr Valialkin
cd53f7d177 lib/uint64set: improve benchmark for Set.Intersect 2020-01-17 16:08:17 +02:00
Aliaksandr Valialkin
d0d258b314 app/vmselect: limit the default value for -search.maxConcurrentRequests, so it plays well on systems with more than 16 vCPUs 
A single heavy request can saturate all the available CPUs, so let's limit the number of concurrent requests to lower value.
This will give more chances for executing insert path.
 2020-01-17 15:43:54 +02:00
Aliaksandr Valialkin
d88725f133 app/{vminsert,vmselect}: improve error messages when VictoriaMetrics cannot handle too high number of concurrent inserts / selects 2020-01-17 13:24:37 +02:00
Aliaksandr Valialkin
8dbf430469 lib/uint64set: add benchmark for Set.Intersect 2020-01-17 00:31:07 +02:00