Kiu/VictoriaMetrics
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Author SHA1 Message Date
Aliaksandr Valialkin
9010c6a1d6 lib/netutil: add -enableTCP6 command-line flag for enabling listening for IPv6 additionally to IPv4 TCP ports 2019-11-29 17:32:47 +02:00
Aliaksandr Valialkin
a7125a5b7b 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 13:38:58 +02:00
Aliaksandr Valialkin
a6d7179286 README.md: remove the unnecessary step during restoring from backups 2019-11-27 19:57:03 +02:00
Aliaksandr Valialkin
e828647d0f vendor: make vendor-update 2019-11-27 15:37:14 +02:00
Aliaksandr Valialkin
31fb6f2b07 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.2 to v1.5.4 2019-11-27 15:30:33 +02:00
Aliaksandr Valialkin
2c86816950 deployment/docker: update Grafana from v6.4.4 to v6.5.0 2019-11-27 15:10:37 +02:00
Aliaksandr Valialkin
4c859d980c 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 22:55:43 +02:00
Aliaksandr Valialkin
14bcff6015 lib/httpserver: improve docs for -tls* flags to be more clear 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/242
 2019-11-26 18:08:35 +02:00
Aliaksandr Valialkin
110235f789 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 17:45:26 +02:00
Aliaksandr Valialkin
205233d9a7 app/vmselect/promql: remove zero timeseries from prometheus_buckets output 2019-11-25 19:10:23 +02:00
Aliaksandr Valialkin
3f99f39e9b 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 16:33:42 +02:00
Aliaksandr Valialkin
e91cb34c0e app/vmselect/promql: allow nested parens 2019-11-25 16:13:41 +02:00
Aliaksandr Valialkin
826dfd63a5 vendor: update github.com/VictoriaMetrics/metrics from v1.9.0 to v1.9.1 2019-11-25 15:23:01 +02:00
Aliaksandr Valialkin
0401969d78 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 14:24:21 +02:00
Aliaksandr Valialkin
da98703748 app/vmselect/promql: optimize binary search over big number of samples during rollup calculations 2019-11-25 14:01:46 +02:00
Aliaksandr Valialkin
c28876172f app/vmselect/promql: adjust tests after the upgrade of github.com/VictoriaMetrics/metrics from v1.8.3 to v1.9.0 2019-11-25 13:43:57 +02:00
Aliaksandr Valialkin
66c53bf3c6 vendor: update github.com/VictoriaMetrics/metrics from v1.8.3 to v1.9.0 2019-11-25 13:19:43 +02:00
Aliaksandr Valialkin
50ae1879c6 app/vmselect/promql: add histogram aggregate function, which is useful for building heatmaps from multiple time series 2019-11-24 00:04:25 +02:00
Aliaksandr Valialkin
4ff2fbcf3f vendor: update github.com/VictoriaMetrics/metrics from v1.8.2 to v1.8.3 2019-11-24 00:04:24 +02:00
Aliaksandr Valialkin
5285acae3e lib/decimal: calculate ln2/ln10 constant during compile time 2019-11-23 15:52:58 +02:00
Aliaksandr Valialkin
8582b50360 app/vmselect/promql: do not take into account buckets with negative counters in prometheus_buckets 2019-11-23 14:19:25 +02:00
Aliaksandr Valialkin
19dfe52254 app/vmselect/promql: properly handle histogram_quantile(0, ...) with zero buckets 2019-11-23 14:02:35 +02:00
Aliaksandr Valialkin
4bb88843cf app/vmselect: add vm_per_query_{rows,series}_processed_count histograms 2019-11-23 13:23:26 +02:00
Aliaksandr Valialkin
0827bb6ce5 vendor: update github.com/VictoriaMetrics/metrics from v1.8.1 to v1.8.2 2019-11-23 11:48:54 +02:00
Aliaksandr Valialkin
7753c8c0a1 app/vmselect/promql: transparently apply prometheus_buckets in histogram_quantile 2019-11-23 11:48:51 +02:00
Aliaksandr Valialkin
ef25e1b049 vendor: update github.com/VictoriaMetrics/metrics from v1.8.0 to v1.8.1 2019-11-23 00:49:13 +02:00
Aliaksandr Valialkin
9d1fcb2be6 vendor: update github.com/VictoriaMetrics/metrics from v1.7.2 to v1.8.0. This version supports histograms 2019-11-23 00:20:27 +02:00
Aliaksandr Valialkin
c4287b3c86 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 00:20:20 +02:00
Aliaksandr Valialkin
1f3fd2c910 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 16:12:19 +02:00
Aliaksandr Valialkin
90b03309de vendor: updated github.com/valyala/gozstd from v1.6.2 to v1.6.3 2019-11-21 23:57:00 +02:00
Aliaksandr Valialkin
7a4635f853 all: remove the remaining mentions of cluster version 2019-11-21 23:18:22 +02:00
Aliaksandr Valialkin
3e9b7addb1 lib/httpserver: typo fix in -httpAuth.password command-line description 2019-11-21 21:54:26 +02:00
Aliaksandr Valialkin
f652c0f40f 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 21:35:13 +02:00
Aliaksandr Valialkin
b8cde6cce1 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 18:43:17 +02:00
Aliaksandr Valialkin
aeea59e280 Makefile: create files with sha256 checksums during make release 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/19
 2019-11-20 22:43:37 +02:00
Aliaksandr Valialkin
74e563ca3f README.md: added a link to https://github.com/dreamteam-gg/ansible-victoriametrics-role 2019-11-20 21:26:43 +02:00
Aliaksandr Valialkin
5c1e4143e9 lib/storage: verify the number of returned metricIDs in BenchmarkHeadPostingForMatchers 2019-11-20 15:39:28 +02:00
Aliaksandr Valialkin
52d7ca6bf0 lib/decimal: increase decimal->float speed conversion for integer numbers 2019-11-20 13:04:34 +02:00
Aliaksandr Valialkin
75eeea21ee 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 23:35:33 +02:00
Artem Navoiev
c03b87dac0 update version of codecove to 1.04 2019-11-19 22:23:14 +02:00
Aliaksandr Valialkin
259dc95366 make vendor-update 2019-11-19 21:35:07 +02:00
Aliaksandr Valialkin
cfb9fa2100 lib/backup: retrieve only the required metadata when reading GCS objects 2019-11-19 21:06:34 +02:00
Aliaksandr Valialkin
355ccba81a make vendor-update 2019-11-19 21:05:37 +02:00
Aliaksandr Valialkin
443189fb0a app/{vmbackup,vmrestore}: add -maxBytesPerSecond command-line flag for limiting the used network bandwidth during backup / restore 2019-11-19 20:31:52 +02:00
Aliaksandr Valialkin
2db06f0ef8 lib/backup: prevent from restoring to directory which is in use by VictoriaMetrics during the restore 2019-11-19 18:36:23 +02:00
Aliaksandr Valialkin
0094bc4fc9 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 00:42:00 +02:00
Aliaksandr Valialkin
b6f22a62cb 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 19:50:58 +02:00
Aliaksandr Valialkin
8a0dfc6220 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 this.

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.

As you can see, VictoriaMetrics outperforms Prometheus by more than 100x in almost all the test cases of this benchmark.

Prometheus was using 3.5GB of RAM during the benchmark, while VictoriaMetrics was using 400MB of RAM.
 2019-11-18 18:45:06 +02:00
Aliaksandr Valialkin
2ab4cea5e5 lib/storage: always start using per-day inverted index on the next day after its creation 
The current day could miss entries for already stopped time series before
enabling per-day index.

This fixes the issue when queries return empty results during the first hour after
upgrading to v1.29.*
 2019-11-16 12:11:25 +02:00
Aliaksandr Valialkin
c050abbbad deployment/docker: update Prometheus version from v2.12.0 to v2.14.0 2019-11-16 00:13:15 +02:00