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Author SHA1 Message Date
Aliaksandr Valialkin
8b14572f70 app/vmselect/promql: add hoeffding_bound_upper(phi, m[d]) and hoeffding_bound_lower(phi, m[d]) functions 
These functions can be used for calculating Hoeffding bounds
for `m` over `d` time range and for the given `phi` in the range `[0..1]`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/283
 2020-01-11 14:46:23 +02:00
Aliaksandr Valialkin
8eaced8cae app/vmselect/promql: return continuous values for min_over_time and max_over_time when step is smaller than scrape_interval 2020-01-11 12:47:50 +02:00
Aliaksandr Valialkin
1585dab5a3 deployment/docker: switch Go builder from v1.13.5 to v1.13.6 2020-01-11 11:06:00 +02:00
Aliaksandr Valialkin
cd66d3fc43 README.md: mention about Prometheus->VictoriaMetrics exporter https://github.com/ryotarai/prometheus-tsdb-dump 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/93
 2020-01-11 01:29:09 +02:00
Aliaksandr Valialkin
ea231f8167 app/victoria-metrics: adjust integration tests after the commit 99facd71cd6ac151d512cea1df73be91c10c7f83 2020-01-11 00:58:16 +02:00
Aliaksandr Valialkin
46bfdbe6cf app/vmselect/promql: do not take into account the previous point before time window in square brackets for min_over_time, max_over_time, rollup_first and rollup_last functions 
This makes the behaviour for these functions similar to Prometheus when processing broken time series with irregular data points
like `gitlab_runner_jobs`. See https://gitlab.com/gitlab-org/gitlab-exporter/issues/50 for details.
 2020-01-11 00:26:26 +02:00
Aliaksandr Valialkin
4f0a645f77 vendor: update github.com/valyala/fastjson from v1.4.2 to v1.4.5 
This should fix parsing Inf values in `/api/v1/import`. The previous attempt to fix this in VictoriaMetrics v1.32.1 was unsuccessful.
 2020-01-10 23:15:15 +02:00
Aliaksandr Valialkin
b829fe5e39 app/vmselect/promql: properly handle aggr(aggr_over_time(...)) 2020-01-10 21:57:18 +02:00
Aliaksandr Valialkin
164278151f app/vmselect/promql: add aggr_over_time(("aggr_func1", "aggr_func2", ...), m[d]) function 
This function can be used for simultaneous calculating of multiple `aggr_func*` functions
that accept range vector. For example, `aggr_over_time(("min_over_time", "max_over_time"), m[d])`
would calculate `min_over_time` and `max_over_time` for `m[d]`.
 2020-01-10 21:18:06 +02:00
Aliaksandr Valialkin
c4632faa9d app/vmselect/promql: add tmin_over_time(m[d]) and tmax_over_time(m[d]) functions 
These functions return timestamp in seconds for the minimum and maximum value for `m` over time range `d`
 2020-01-10 19:39:28 +02:00
Aliaksandr Valialkin
a768198814 docs: fix spelling typos 2020-01-09 23:42:55 +02:00
Roman Khavronenko
57f4875024 fix spellcheck issues (#285) 2020-01-09 23:41:52 +02:00
Aliaksandr Valialkin
b8038a14e7 lib/backup/s3remote: check whether the file exists before deleting it 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/284
 2020-01-09 23:20:31 +02:00
Aliaksandr Valialkin
f358fb72d1 app/{vmbackup,vmrestore}: add backup complete file to backup when it is complete and check for this file before restoring from backup 
This should prevent from restoring from incomplete backups.

Add `-skipBackupCompleteCheck` command-line flag to `vmrestore` in order to be able restoring from old backups without `backup complete` file.
 2020-01-09 15:35:38 +02:00
Aliaksandr Valialkin
1c436b2723 vendor: update github.com/valyala/fastjson from v1.4.1 to v1.4.2 
This fixes parsing of `inf` and `nan` values in json lines passed to `/api/v1/import`
 2020-01-08 20:47:21 +02:00
Aliaksandr Valialkin
a973df6d79 README.md: remove height="200px" from logo image, since it is improperly displayed on smartphones 2020-01-08 20:29:11 +02:00
Aliaksandr Valialkin
d4132a6915 docs: typo fix 2020-01-08 14:45:27 +02:00
Aliaksandr Valialkin
d5aeda0e1a app/vmselect/promql: skip rate calculation for the first point on time series 2020-01-08 14:42:53 +02:00
Aliaksandr Valialkin
bb71b6d47d 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 23:57:35 +02:00
Aliaksandr Valialkin
fc71602039 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 23:57:31 +02:00
Aliaksandr Valialkin
c60fdbed30 docs/CaseStudies.md: add link to Remote Write Storage Wars talk from Adidas at PromCon 2019 2020-01-04 16:51:45 +02:00
Aliaksandr Valialkin
d410c78c7e app/vmselect/promql: fix calculations for histogram_share 2020-01-04 14:44:48 +02:00
Aliaksandr Valialkin
66f3d1dac8 README.md: update Alerting section 2020-01-04 13:55:09 +02:00
Aliaksandr Valialkin
d9c4ac9978 lib/metricsql: export IsRollupFunc and IsTransformFunc, since they can be used by package users 2020-01-04 13:25:05 +02:00
Aliaksandr Valialkin
4567a59fa0 LICENSE: update year 2020-01-04 13:21:04 +02:00
Aliaksandr Valialkin
d64699bb9f app/vmselect/promql: add missing MetricName into netstorage.Result in tests 2020-01-04 12:52:39 +02:00
Aliaksandr Valialkin
f409f2d050 app/vmselect/promql: add histogram_share(le, buckets) function 2020-01-04 12:45:55 +02:00
Aliaksandr Valialkin
b1ded7cf9a 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 12:45:07 +02:00
Aliaksandr Valialkin
a8360d04c0 app/vmselect/promql: add histogram_over_time(m[d]) rollup function 2020-01-04 12:44:56 +02:00
Aliaksandr Valialkin
3e09d38f29 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 20:49:08 +02:00
Aliaksandr Valialkin
a774120460 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 19:01:50 +02:00
Aliaksandr Valialkin
695682232f lib/uint64set: reduce memory usage when storing big number of sparse metric_id values 2020-01-03 18:16:44 +02:00
Aliaksandr Valialkin
b5645ccbdf 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 01:02:21 +02:00
Aliaksandr Valialkin
cb3a342882 app/vmselect/promql: add share_le_over_time and share_gt_over_time functions for SLI and SLO calculations 2020-01-03 00:41:16 +02:00
Aliaksandr Valialkin
0038365206 docs: refer to standalone MetricsQL package 2020-01-02 23:43:35 +02:00
Aliaksandr Valialkin
61c9d320ed vendor: update github.com/VictoriaMetrics/fastcache from v1.5.4 to v1.5.5 2019-12-29 18:17:49 +02:00
Aliaksandr Valialkin
a21d786d3c lib/metricsql: add example for ExpandWithExprs 2019-12-26 21:32:11 +02:00
Aliaksandr Valialkin
192b51c246 vendor: make vendor-update 2019-12-26 19:41:02 +02:00
Aliaksandr Valialkin
17a4dc9782 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 19:30:08 +02:00
Aliaksandr Valialkin
6f67e0b56b lib/metricsq: add ExpandWithExprs 2019-12-25 22:20:30 +02:00
Aliaksandr Valialkin
1925ee038d Rename lib/promql to lib/metricsql and apply small fixes 2019-12-25 22:03:59 +02:00
Mike Poindexter
bec62e4e43 Split Extended PromQL parsing to a separate library 2019-12-25 22:03:51 +02:00
Aliaksandr Valialkin
d880325cf6 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 22:45:56 +02:00
Aliaksandr Valialkin
c18802af59 lib/fs: typo fix in fadvise_unix.go 2019-12-24 20:59:28 +02:00
Aliaksandr Valialkin
4ba4abe666 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 20:48:31 +02:00
Aliaksandr Valialkin
5bb39e757b 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 20:41:52 +02:00
Aliaksandr Valialkin
d5c9841220 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 20:35:13 +02:00
Aliaksandr Valialkin
9e19949c6b 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 19:39:25 +02:00
Aliaksandr Valialkin
0455c03cb9 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 15:55:52 +02:00
Aliaksandr Valialkin
5cb8d97743 all: use gozstd instead of pure Go zstd for GOARCH=amd64 2019-12-24 12:42:42 +02:00