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Author SHA1 Message Date
Aliaksandr Valialkin
93dbec971b deployment/docker: update docker image tags from v1.30.0-cluster to v1.30.1-cluster 2019-11-28 22:26:25 +02:00
Aliaksandr Valialkin
90f2530f9f README.md: add monitoring section 2019-11-28 19:16:05 +02:00
Aliaksandr Valialkin
409c939621 lib/backup: remove flock.lock file in empty dirs 
This fixes an issue when VictoriaMetrics doesn't see the restored data after the following operations:

1. Stop VictoriaMetrics.
2. Delete `<-storageDataPath>` dir.
3. Start VictoriaMetrics, then stop it.
4. Restore data from backup with `vmrestore`.
5. Start VictoriaMetrics.

`vmrestore` didn't delete properly empty dirs in `<-storageDataPath>/indexdb` because of the remaining `flock.lock` files in these dirs.
 2019-11-28 13:39:28 +02:00
Aliaksandr Valialkin
572fe61857 README.md: remove the unnecessary step during restoring from backups 2019-11-27 19:56:15 +02:00
Aliaksandr Valialkin
396ed27759 vendor: make vendor-update 2019-11-27 15:34:18 +02:00
Aliaksandr Valialkin
2571903522 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.2 to v1.5.4 2019-11-27 15:31:36 +02:00
Aliaksandr Valialkin
093f94d2db deployment/docker: update Grafana from v6.4.4 to v6.5.0 2019-11-27 15:10:01 +02:00
Aliaksandr Valialkin
8ccbcaf99f deployment/docker: update image tags from v1.29.5-cluster to v1.30.0-cluster 2019-11-27 14:54:21 +02:00
Aliaksandr Valialkin
def9ccd360 app/vmselect/prometheus: consistently apply nocache arg to /api/v1/query the same way ast to /api/v1/query_range 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/241
 2019-11-26 22:55:50 +02:00
Aliaksandr Valialkin
e0ac068112 app/vmselect/prometheus: fix content-type for /api/v1/export responses 
The correct Content-Type should be `application/stream+json` instead of `application/json`
Thanks to Joshua Ryder for pointing to this.
 2019-11-26 17:44:27 +02:00
Aliaksandr Valialkin
28cc4c09b5 app/vmselect/promql: remove zero timeseries from prometheus_buckets output 2019-11-25 19:10:13 +02:00
Aliaksandr Valialkin
8811bec14e app/vmselect/prometheus: reduce default value for -search.latencyOffset from 60s to 30s 
30 seconds should be enough for almost all the cases
 2019-11-25 16:33:36 +02:00
Aliaksandr Valialkin
f7da9b2db2 app/vmselect/promql: allow nested parens 2019-11-25 16:13:33 +02:00
Aliaksandr Valialkin
d2619d6dce vendor: update github.com/VictoriaMetrics/metrics from v1.9.0 to v1.9.1 2019-11-25 15:22:50 +02:00
Aliaksandr Valialkin
f46fb6c740 app/vmselect/promql: re-use metrics.Histogram when calculating histogram function for each point on the graph 
This should reduce the amounts memory allocations
 2019-11-25 14:24:30 +02:00
Aliaksandr Valialkin
0f184affa7 app/vmselect/promql: optimize binary search over big number of samples during rollup calculations 2019-11-25 14:01:54 +02:00
Aliaksandr Valialkin
dbd07041ae app/vmselect/promql: adjust tests after the upgrade of github.com/VictoriaMetrics/metrics from v1.8.3 to v1.9.0 2019-11-25 13:44:08 +02:00
Aliaksandr Valialkin
406e36f817 vendor: update github.com/VictoriaMetrics/metrics from v1.8.3 to v1.9.0 2019-11-25 13:19:34 +02:00
Aliaksandr Valialkin
8bb254d960 app/vmselect/promql: add histogram aggregate function, which is useful for building heatmaps from multiple time series 2019-11-24 00:04:15 +02:00
Aliaksandr Valialkin
e70f543321 vendor: update github.com/VictoriaMetrics/metrics from v1.8.2 to v1.8.3 2019-11-24 00:04:14 +02:00
Aliaksandr Valialkin
d24fc87a6f lib/decimal: calculate ln2/ln10 constant during compile time 2019-11-23 15:52:39 +02:00
Aliaksandr Valialkin
414259f47b app/vmselect/promql: do not take into account buckets with negative counters in prometheus_buckets 2019-11-23 14:19:19 +02:00
Aliaksandr Valialkin
193d553f6d app/vmselect/promql: properly handle histogram_quantile(0, ...) with zero buckets 2019-11-23 14:02:25 +02:00
Aliaksandr Valialkin
f8298c7f13 app/vmselect: add vm_per_query_{rows,series}_processed_count histograms 2019-11-23 13:23:03 +02:00
Aliaksandr Valialkin
b1c3284fd0 dashboards: remove deprecated dashboards - now only victoriametrics.json is officially supported 2019-11-23 12:43:38 +02:00
Aliaksandr Valialkin
654473f6c6 vendor: update github.com/VictoriaMetrics/metrics from v1.8.1 to v1.8.2 2019-11-23 11:49:18 +02:00
Aliaksandr Valialkin
4d76977745 app/vmselect/promql: transparently apply prometheus_buckets in histogram_quantile 2019-11-23 11:49:16 +02:00
Aliaksandr Valialkin
cfeb606e73 vendor: update github.com/VictoriaMetrics/metrics from v1.8.0 to v1.8.1 2019-11-23 00:48:55 +02:00
Aliaksandr Valialkin
2af7ca1122 vendor: update github.com/VictoriaMetrics/metrics from v1.7.2 to v1.8.0. This version supports histograms 2019-11-23 00:21:57 +02:00
Aliaksandr Valialkin
5f6f03c692 app/vmselect/promql: add prometheus_buckets function for converting the upcoming histogram buckets from github.com/VictoriaMetrics/metrics to Prometheus-compatible buckets 2019-11-23 00:21:56 +02:00
Aliaksandr Valialkin
17d08c1fe0 app/vmselect: adjust end arg instead of adjusting start arg if start > end 
`start` arg has higher chances to be set properly comparing to `end` arg,
so it is expected that the `end` arg could be adjusted if it was set incorrectly.
 2019-11-22 16:12:53 +02:00
Aliaksandr Valialkin
14ba958e9a deployment/docker: update docker image tag from v1.29.3-cluster to v1.29.5-cluster 2019-11-22 14:05:17 +02:00
Aliaksandr Valialkin
7c48f8611f vendor: updated github.com/valyala/gozstd from v1.6.2 to v1.6.3 2019-11-21 23:56:27 +02:00
Aliaksandr Valialkin
b9e53490b9 lib/storage: move non-matching tag filters to the top at matchTagFilters 
This should reduce the amount of useless work needed for matching the next metricNames.
 2019-11-21 21:40:36 +02:00
Aliaksandr Valialkin
33d9d63393 lib/storage: speed up time series search for queries with multiple filters 
Use optimized specialized binary search for uint64 metricIDs instead of generic sort.Search.
 2019-11-21 18:43:40 +02:00
Aliaksandr Valialkin
926290d73e Makefile: create files with sha256 checksums during make release 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/19
 2019-11-20 22:45:23 +02:00
Aliaksandr Valialkin
a02a57fbe9 lib/storage: verify the number of returned metricIDs in BenchmarkHeadPostingForMatchers 2019-11-20 15:40:03 +02:00
Aliaksandr Valialkin
3d1f4408cf lib/decimal: increase decimal->float speed conversion for integer numbers 2019-11-20 14:09:10 +02:00
Aliaksandr Valialkin
f1f2eff08f lib/decimal: reduce rounding error when converting from decimal to float with negative exponent 
While at it, slightly increase the conversion performance by moving fast path to the top of the loop.
 2019-11-19 23:34:41 +02:00
Aliaksandr Valialkin
2929a41e3b make vendor-update 2019-11-19 21:34:44 +02:00
Aliaksandr Valialkin
17eca31989 lib/backup: retrieve only the required metadata when reading GCS objects 2019-11-19 21:30:51 +02:00
Aliaksandr Valialkin
ccf3d143c5 make vendor-update 2019-11-19 21:30:49 +02:00
Aliaksandr Valialkin
216a260ced app/{vmbackup,vmrestore}: add -maxBytesPerSecond command-line flag for limiting the used network bandwidth during backup / restore 2019-11-19 20:32:43 +02:00
Aliaksandr Valialkin
9d1ee1e2ae lib/backup: prevent from restoring to directory which is in use by VictoriaMetrics during the restore 2019-11-19 18:35:59 +02:00
Aliaksandr Valialkin
5ae47e8940 app/vmselect/prometheus: properly adjust too big time time on /api/v1/query 
Too big `time` must be adjusted to `now()-queryOffset`.
 2019-11-19 00:42:07 +02:00
Aliaksandr Valialkin
6ca4b94511 lib/storage: increase the number of created time series in BenchmarkHeadPostingForMatchers in order to be on par with Promethues 
The previous commit was accidentally creating 10x smaller number of time series than Prometheus
and this led to invalid benchmark results.

The updated benchmark results:

benchmark                                                          old ns/op      new ns/op     delta
BenchmarkHeadPostingForMatchers/n="1"                              272756688      6194893       -97.73%
BenchmarkHeadPostingForMatchers/n="1",j="foo"                      138132923      10781372      -92.19%
BenchmarkHeadPostingForMatchers/j="foo",n="1"                      134723762      10632834      -92.11%
BenchmarkHeadPostingForMatchers/n="1",j!="foo"                     195823953      10679975      -94.55%
BenchmarkHeadPostingForMatchers/i=~".*"                            7962582919     100118510     -98.74%
BenchmarkHeadPostingForMatchers/i=~".+"                            7589543864     154955671     -97.96%
BenchmarkHeadPostingForMatchers/i=~""                              1142371741     258003769     -77.42%
BenchmarkHeadPostingForMatchers/i!=""                              9964150263     159783895     -98.40%
BenchmarkHeadPostingForMatchers/n="1",i=~".*",j="foo"              216995884      10937895      -94.96%
BenchmarkHeadPostingForMatchers/n="1",i=~".*",i!="2",j="foo"       202541348      10990027      -94.57%
BenchmarkHeadPostingForMatchers/n="1",i!=""                        486285711      87004349      -82.11%
BenchmarkHeadPostingForMatchers/n="1",i!="",j="foo"                350776931      53342793      -84.79%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",j="foo"              380888565      54256156      -85.76%
BenchmarkHeadPostingForMatchers/n="1",i=~"1.+",j="foo"             89500296       21823279      -75.62%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",i!="2",j="foo"       379529654      46671359      -87.70%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",i!~"2.*",j="foo"     424563825      53915842      -87.30%

VictoriaMetrics uses 1GB of RAM during the benchmark (vs 3.5GB of RAM for Prometheus)
 2019-11-18 19:48:27 +02:00
Aliaksandr Valialkin
6f61fd367a lib/storage: add BenchmarkHeadPostingForMatchers similar to the benchmark from Prometheus 
See the corresponding benchmark in Prometheus - 23c0299d85/tsdb/head_bench_test.go (L52)

The benchmark allows performing apples-to-apples comparison of time series search
in Prometheus and VictoriaMetrics. The following article - https://www.robustperception.io/evaluating-performance-and-correctness -
contains incorrect numbers for VictoriaMetrics, since there wasn't this benchmark yet. Fix it.

Benchmarks can be repeated with the following commands from Prometheus and VictoriaMetrics source code roots:

- Prometheus: GOMAXPROCS=1 go test ./tsdb/ -run=111 -bench=BenchmarkHeadPostingForMatchers
- VictoriaMetrics: GOMAXPROCS=1 go test ./lib/storage/ -run=111 -bench=BenchmarkHeadPostingForMatchers

Benchmark results:
benchmark                                                          old ns/op      new ns/op     delta
BenchmarkHeadPostingForMatchers/n="1"                              272756688      364977        -99.87%
BenchmarkHeadPostingForMatchers/n="1",j="foo"                      138132923      1181636       -99.14%
BenchmarkHeadPostingForMatchers/j="foo",n="1"                      134723762      1141578       -99.15%
BenchmarkHeadPostingForMatchers/n="1",j!="foo"                     195823953      1148056       -99.41%
BenchmarkHeadPostingForMatchers/i=~".*"                            7962582919     8716755       -99.89%
BenchmarkHeadPostingForMatchers/i=~".+"                            7589543864     12096587      -99.84%
BenchmarkHeadPostingForMatchers/i=~""                              1142371741     16164560      -98.59%
BenchmarkHeadPostingForMatchers/i!=""                              9964150263     12230021      -99.88%
BenchmarkHeadPostingForMatchers/n="1",i=~".*",j="foo"              216995884      1173476       -99.46%
BenchmarkHeadPostingForMatchers/n="1",i=~".*",i!="2",j="foo"       202541348      1299743       -99.36%
BenchmarkHeadPostingForMatchers/n="1",i!=""                        486285711      11555193      -97.62%
BenchmarkHeadPostingForMatchers/n="1",i!="",j="foo"                350776931      5607506       -98.40%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",j="foo"              380888565      6380335       -98.32%
BenchmarkHeadPostingForMatchers/n="1",i=~"1.+",j="foo"             89500296       2078970       -97.68%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",i!="2",j="foo"       379529654      6561368       -98.27%
BenchmarkHeadPostingForMatchers/n="1",i=~".+",i!~"2.*",j="foo"     424563825      6757132       -98.41%

The first column (old) is for Prometheus, the second column (new) is for VictoriaMetrics.

Prometheus was using 3.5GB of RAM during the benchmark, while VictoriaMetrics was using 400MB of RAM.
 2019-11-18 18:47:02 +02:00
Aliaksandr Valialkin
77bb66a5be app/vmselect/promql: properly calculate integrate(q[d]) 2019-11-13 21:11:03 +02:00
Aliaksandr Valialkin
c33640664a app/vmselect/promql: use universal approach for determining maxByteSliceLen on 32-bit and 64-bit archs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/235
 2019-11-13 20:26:07 +02:00
Aliaksandr Valialkin
d297b65089 lib/storage: add vm_cache_size_bytes{type="storage/hour_metric_ids"} metric 2019-11-13 20:26:05 +02:00