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Author SHA1 Message Date
Aliaksandr Valialkin
24a852f900 README.md: typo fix 2020-01-08 14:44:28 +02:00
Aliaksandr Valialkin
7c6df1e51d app/vmselect/promql: skip rate calculation for the first point on time series 2020-01-08 14:42:44 +02:00
Aliaksandr Valialkin
7d8d921db9 docs: add references to Remote Write Storage Wars 
Also mention than VictoriaMetrics uses less RAM than Thanos Store Gateway - see https://github.com/thanos-io/thanos/issues/448 for details.
 2020-01-04 23:58:27 +02:00
Aliaksandr Valialkin
53e176ed67 lib/storage: limit maxRaRowsPerPartition by 500K for any number of rawRowsShardsPerPartition 
This should reduce write amplification for high ingestion rate on multi-CPU systems
 2020-01-04 23:58:23 +02:00
Aliaksandr Valialkin
1f941875db docs/CaseStudies.md: add link to Remote Write Storage Wars talk from Adidas at PromCon 2019 2020-01-04 16:51:02 +02:00
Aliaksandr Valialkin
76707b2ab9 app/vmselect/promql: fix calculations for histogram_share 2020-01-04 14:44:15 +02:00
Aliaksandr Valialkin
89b551201c lib/metricsql: export IsRollupFunc and IsTransformFunc, since they can be used by package users 2020-01-04 13:25:13 +02:00
Aliaksandr Valialkin
8cfd4decea LICENSE: update year 2020-01-04 13:21:11 +02:00
Aliaksandr Valialkin
accad01b3e app/vmselect/promql: add missing MetricName into netstorage.Result in tests 2020-01-04 12:53:14 +02:00
Aliaksandr Valialkin
6f29d37cb5 app/vmselect/promql: add histogram_share(le, buckets) function 2020-01-04 12:53:08 +02:00
Aliaksandr Valialkin
2290503140 app/vmselect/promql: add absent_over_time(m[d]) func similar to the function in Prometheus 2.16 
See https://github.com/prometheus/prometheus/issues/2882
 2020-01-04 12:53:01 +02:00
Aliaksandr Valialkin
67f94bbe12 app/vmselect/promql: add histogram_over_time(m[d]) rollup function 2020-01-04 12:52:56 +02:00
Aliaksandr Valialkin
9a1f6848ca app/vmselect/promql: fix results caching for multi-arg rollup functions such as quantile_over_time 
Previosly only a single arg was taken into account, so caching didn't work properly for multi-arg rollup funcs.
 2020-01-03 20:44:54 +02:00
Aliaksandr Valialkin
3d0c7b095a app/vmselect/promql: use scrapeInterval instead of window in denominator when calculating rate for the first point on the time series 
This should provide better estimation for `rate` in the beginning of time series.
 2020-01-03 19:03:32 +02:00
Aliaksandr Valialkin
588531dd76 lib/uint64set: reduce memory usage when storing big number of sparse metric_id values 2020-01-03 18:17:17 +02:00
Aliaksandr Valialkin
6ea7f23446 app/vmselect/promql: increase the estimated number of time series returned by aggr() by (something) from 100 to 1K, since 100 may result in OOM for high number of time series 2020-01-03 01:02:30 +02:00
Aliaksandr Valialkin
e0abf45d45 app/vmselect/promql: add share_le_over_time and share_gt_over_time functions for SLI and SLO calculations 2020-01-03 00:41:36 +02:00
Aliaksandr Valialkin
19962e2732 docs: refer to standalone MetricsQL package 2020-01-02 23:43:43 +02:00
Aliaksandr Valialkin
a15a6d9ac1 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.4 to v1.5.5 2019-12-29 18:18:12 +02:00
Aliaksandr Valialkin
0d2e83e9d7 lib/metricsql: add example for ExpandWithExprs 2019-12-26 21:31:15 +02:00
Aliaksandr Valialkin
e3ae813e6a vendor: make vendor-update 2019-12-26 19:42:53 +02:00
Aliaksandr Valialkin
940c55f9d1 vendor: update github.com/valyala/gozstd from v1.6.3 to v1.6.4 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-26 19:31:07 +02:00
Aliaksandr Valialkin
eb1a66c577 lib/metricsq: add ExpandWithExprs 2019-12-25 22:20:21 +02:00
Aliaksandr Valialkin
453d71d082 Rename lib/promql to lib/metricsql and apply small fixes 2019-12-25 22:09:09 +02:00
Mike Poindexter
009d1559db Split Extended PromQL parsing to a separate library 2019-12-25 22:09:07 +02:00
Aliaksandr Valialkin
ff18101d30 app/vmselect/promql: make sure AdjustStartEnd returns time range covering the same number of points as the initial time range 
This should prevent from the following panic at app/vmselect/promql/binary_op.go:255:

    BUG: len(leftVaues) must match len(rightValues) and len(dstValues)
 2019-12-24 22:45:49 +02:00
Aliaksandr Valialkin
f22c9dbb0f lib/fs: typo fix in fadvise_unix.go 2019-12-24 21:00:04 +02:00
Aliaksandr Valialkin
d3c185f0ca lib/encoding: log the compressed block contents if it cannot be decompressed or unmarshaled 
This should help detecting the root cause of https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-24 20:48:25 +02:00
Aliaksandr Valialkin
091e35cf0c lib/encoding: mention src contents in error message returned from unmarshalInt64NearestDelta* 
This should simplify detecting the root cause of the issue at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-24 20:41:38 +02:00
Aliaksandr Valialkin
0e51058a0d lib/encoding: mention unpacked block size in the error message if unparsed tail left 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-24 20:35:20 +02:00
Aliaksandr Valialkin
e24ee43109 app/vmselect/promql: adjust calculations for rate and increase for the first value 
These calculations should trigger alerts on `/api/v1/query` for counters starting from values greater than 0.
 2019-12-24 19:41:03 +02:00
Aliaksandr Valialkin
9a2554691c app/vmselect/promql: properly calculate rate on the first data point 
It is calculated as `value / scrape_interval`, since the value was missing on the previous scrape,
i.e. we can assume its value was 0 at this time.
 2019-12-24 15:55:15 +02:00
Aliaksandr Valialkin
97de50dd4c app/vmselect/netstorage: improve error message when reading data size in readBytes 2019-12-24 14:40:14 +02:00
Aliaksandr Valialkin
c0060c5858 deployment/docker: remove Docker image tag in docker-compose images 
This should allow loading latest images by default
 2019-12-24 13:27:42 +02:00
Aliaksandr Valialkin
29d2ce54cb all: use gozstd instead of pure Go zstd for GOARCH=amd64 2019-12-24 12:43:59 +02:00
Aliaksandr Valialkin
afa8b34d27 Revert "lib/logger: prevent from blocking when log output isn't consumed in timely manner" 
This reverts commit 9f50232e70.

Reason to revert: this leaves incomplete logs on app shutdown.
 2019-12-24 12:20:45 +02:00
Aliaksandr Valialkin
6358cf3d47 app/vmselect/netstorage: move MustAdviseSequentialRead to lib/fs 2019-12-23 23:16:26 +02:00
Aliaksandr Valialkin
44f886cc9c lib/encoding/zstd: typo fix 2019-12-23 18:37:20 +02:00
Aliaksandr Valialkin
108a60d69e lib/encoding/zstd: call zstd.Decoder.Close instead of zstd.Decoder.Reset in order to free up occupied goroutines 
This should fix goroutine leak for https://github.com/klauspost/compress/issues/195
 2019-12-23 18:32:28 +02:00
Aliaksandr Valialkin
335bd0ac0a lib/encoding/zstd: prevent from possible encoder leak when concurrent goroutines create encoders for the same compressionLevel 
Thanks to @klauspost for the pointer to this issue. See https://github.com/klauspost/compress/issues/195 for details.
 2019-12-23 18:06:02 +02:00
Aliaksandr Valialkin
ba17fcbcc5 deployment/docker: update docker image tags from v1.31.1-cluster to v1.31.2-cluster 2019-12-20 13:06:49 +02:00
Aliaksandr Valialkin
9f50232e70 lib/logger: prevent from blocking when log output isn't consumed in timely manner 
Drop log messages instead of blocking and increment `vm_log_messages_dropped_total` metric.
 2019-12-20 11:49:42 +02:00
Aliaksandr Valialkin
cc8a1bae0e app/vmselect: add -search.maxExportDuration command-line flag for limiting /api/v1/export duration 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/275
 2019-12-20 11:37:18 +02:00
Aliaksandr Valialkin
a37a006f11 lib/storage: scale ingestion performance by sharding rawRows on systems with more than 8 CPU cores 2019-12-19 18:17:05 +02:00
Aliaksandr Valialkin
8d79412b26 lib/storage: optimize bulk import performance when multiple data points are inserted for the same time series 
This should speed up `/api/v1/import` and make it more scalable on multi-core systems.
 2019-12-19 15:13:36 +02:00
Aliaksandr Valialkin
8b56b849e9 app/vminsert: return StatusNoContent http response for /api/v1/import to be consistent with other insert handlers 2019-12-19 01:22:01 +02:00
Aliaksandr Valialkin
05ec8afb3a lib/httpserver: sync the code with master branch 2019-12-18 23:08:32 +02:00
Aliaksandr Valialkin
a045c62532 docs/ExtendedPromQL.md: rewording regarding scalar vs instant vector difference 2019-12-18 21:47:31 +02:00
Aliaksandr Valialkin
cd04f6e82d docs/Home.md: fix link to case studies 2019-12-18 01:05:15 +02:00
Aliaksandr Valialkin
4e8583bb02 docs: renaming: PromQL extensions -> MetricsQL 2019-12-18 00:57:53 +02:00