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Author SHA1 Message Date
Aliaksandr Valialkin
476c7fb109 lib/storage: reduce memory allocations when merging metricID sets 2020-01-17 22:10:56 +02:00
Aliaksandr Valialkin
29d21259f0 lib/uint64set: typo fix in Set.Intersect 2020-01-17 18:11:46 +02:00
Aliaksandr Valialkin
54db08a60f app/vmselect/netstorage: make fmt 2020-01-17 17:46:20 +02:00
Aliaksandr Valialkin
d21cc2d16a 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 16:28:28 +02:00
Aliaksandr Valialkin
ed1d259b10 lib/uint64set: optimize Intersect, Subtract and Union functions 
This should improve performance for queries over big number of time series.
 2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
68d35357b1 lib/uint64set: improve benchmark for Set.Intersect 2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
b05f6cf11c 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 16:16:43 +02:00
Aliaksandr Valialkin
a9f683423c app/{vminsert,vmselect}: improve error messages when VictoriaMetrics cannot handle too high number of concurrent inserts / selects 2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
ffe352ad31 lib/uint64set: add benchmark for Set.Intersect 2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
bdfb219992 make vendor-update 2020-01-16 14:17:48 +02:00
Aliaksandr Valialkin
4b16b7fd11 all: mention command-line flags used for limiting the incoming request size in error messages 
This should improve error logs usability.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/287
 2020-01-16 13:06:43 +02:00
Aliaksandr Valialkin
ce0b602405 app/vmselect/promql: fix panic on sum(aggr_over_time(...)) with incorrect number of args 2020-01-15 16:26:16 +02:00
Aliaksandr Valialkin
7d429e2806 lib/uint64set: reduce memory usage in Union, Intersect and Subtract methods 
Iterate items with newly added Set.ForEach method instead of allocating `[]uint64`
slice for all the items before the iteration.
 2020-01-15 12:15:48 +02:00
Aliaksandr Valialkin
4ecb7f15b6 docs/FAQ.md: add bullet comparison with Cortex and Thanos 2020-01-15 10:47:46 +02:00
Aliaksandr Valialkin
caffb0cd01 lib/{mergeset,storage}: fix uint64 counters alignment for 32-bit architectures (GOARCH=386, GOARCH=arm) 2020-01-14 22:47:42 +02:00
Aliaksandr Valialkin
b03ccbf6f7 lib/{storage,mergeset}: gradually remove stale entries from block cache and index caches 
This should reduce memory usage in the long run when old blocks and indexes
aren't accessed anymore.
 2020-01-14 21:38:29 +02:00
Aliaksandr Valialkin
8a4d4978a3 deployment/docker: update Prometheus from v2.14.0 to v2.15.2 and Grafana from v6.5.0 to v6.5.2 2020-01-12 23:14:56 +02:00
Aliaksandr Valialkin
cbafb7ae59 docs: add a link to VictoriaMetrics subreddit - https://www.reddit.com/r/VictoriaMetrics/ 2020-01-12 00:07:06 +02:00
Aliaksandr Valialkin
bcd3f0c5bd 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 14:47:13 +02:00
Aliaksandr Valialkin
fc01b11ddc app/vmselect/promql: return continuous values for min_over_time and max_over_time when step is smaller than scrape_interval 2020-01-11 12:47:57 +02:00
Aliaksandr Valialkin
92e00779fa deployment/docker: switch Go builder from v1.13.5 to v1.13.6 2020-01-11 11:06:12 +02:00
Aliaksandr Valialkin
2cacea8c64 README.md: mention about Prometheus->VictoriaMetrics exporter https://github.com/ryotarai/prometheus-tsdb-dump 2020-01-11 01:28:50 +02:00
Aliaksandr Valialkin
16fb128bbc 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 00:26:11 +02:00
Aliaksandr Valialkin
1c445bf7eb 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 23:14:34 +02:00
Aliaksandr Valialkin
adc36d00b7 app/vmselect/promql: properly handle aggr(aggr_over_time(...)) 2020-01-10 21:57:11 +02:00
Aliaksandr Valialkin
87a106702b 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 21:18:12 +02:00
Aliaksandr Valialkin
c314d9a219 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 19:39:34 +02:00
Aliaksandr Valialkin
706b33dc82 docs: fix spelling typos 2020-01-09 23:43:45 +02:00
Aliaksandr Valialkin
1029b6ab34 lib/backup/s3remote: check whether the file exists before deleting it 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/284
 2020-01-09 23:20:51 +02:00
Aliaksandr Valialkin
705af61587 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 15:35:45 +02:00
Aliaksandr Valialkin
7edbd930d5 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 20:48:08 +02:00
Aliaksandr Valialkin
da62e894dd README.md: remove height="200px" from logo image, since it is improperly displayed on smartphones 2020-01-08 20:29:37 +02:00
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