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Author SHA1 Message Date
Aliaksandr Valialkin
49140edd41 docs/Single-server-VictoriaMetrics.md: mention that VictoriaMetrics accepts relative times at time, start and end query args 2020-08-28 10:14:33 +03:00
Aliaksandr Valialkin
7e74cf4d71 docs/vmalert.md: sync with app/vmalert/README.md via make docs-update 2020-08-28 09:52:10 +03:00
Aliaksandr Valialkin
815dffabed docs/Articles.md: add a link to https://medium.com/@romanhavronenko/victoriametrics-how-to-migrate-data-from-prometheus-filtering-and-modifying-time-series-6d40cea4bf21 2020-08-28 09:52:09 +03:00
Aliaksandr Valialkin
5f2277624a lib/{promscrape,leveledbytebufferpool}: rename getPoolIdAndCapacity to getPoolIDAndCapacity in order to make golint happy 2020-08-28 09:49:22 +03:00
Aliaksandr Valialkin
45e770ed20 lib/cgroup: limit the maximum GOMAXPROCS value to the number of available CPU cores 
There is no sense in setting GOMAXPROCS to value higher than the number of available CPU cores.
 2020-08-28 09:49:22 +03:00
Roman Khavronenko
08b76cb26f vmalert: update -rule flag description to enforce quotes using (#709) 
Description for `-rule` flag uses as example specific chars like asterisks
which could be interpreted wrong by different shells. To avoid this, description
now contains quoted flag values.

See also #708
 2020-08-28 09:46:35 +03:00
Roman Khavronenko
34ef10fbcc lib/flagutil: avoid int overflow for arch 386 (#710) 
Arch 386 is a 32-bit architecture and interprets int type for numbers as an explicit int32,
whereas on most modern CPUs int is implicitly an int64. This makes tests to fail with
`int overflow` error.
 2020-08-28 09:46:35 +03:00
Aliaksandr Valialkin
9a77ae9d1c lib/promscrape: reduce memory usage when scraping targets with big number of metrics alongside targets with small number of labels 
Previously targets with big number of metrics and/or labels could generated too big buffers,
which then could be re-used when scraping targets with small number of metrics.
This resulted in memory waste.

Now big buffers are used only for targets with big number of metrics / labels,
while small buffers are used for targets with small number of metrics / labels.
 2020-08-16 22:30:34 +03:00
Aliaksandr Valialkin
3ea6444219 lib/leveledbytebufferpool: allocate byte buffers with capacity rounded to the upper boundary for the given bucket 
This should reduce the number of resizings for the returned byte buffers.
 2020-08-16 22:13:38 +03:00
Roman Khavronenko
4b89da9463 lib/decimal: rename significant decimal digits to significant figures (#698) 
The previous notion was inconsistent with what `decimal.Round` does.
According to [wiki](https://en.wikipedia.org/wiki/Significant_figures) rounding
applied to all significant figures, not just decimal ones.
 2020-08-16 17:22:40 +03:00
Aliaksandr Valialkin
6aab2f4989 all: allow using KB, MB, GB, KiB, MiB and GiB suffixes in command-line flag values related to byte sizes or byte rates 2020-08-16 17:08:28 +03:00
Aliaksandr Valialkin
1b5467f7fd lib/memory: improve log message about the memory allowed to use by VictoriaMetrics 2020-08-16 17:08:27 +03:00
Aliaksandr Valialkin
d9f7ea1c6e lib/protoparser: removed unnecessary call to SetReadDeadline when reading a stream of data 
The OS should return any buffered data in the stream without the need to set the read timeout.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-15 15:38:35 +03:00
Aliaksandr Valialkin
98217e4c40 vendor: upgrade github.com/valyala/gozstd from v1.7.1 to v1.8.3 2020-08-15 15:11:50 +03:00
Aliaksandr Valialkin
008a769434 vendor: downgrade github.com/valyala/gozstd from v1.8.1 to v1.7.1 until https://github.com/facebook/zstd/issues/2222 is fixed 2020-08-15 14:51:16 +03:00
Aliaksandr Valialkin
edf3ee2a9b lib: dump compressed block contents on error during decompression 
This should improve detecting root cause for https://github.com/facebook/zstd/issues/2222
 2020-08-15 14:51:14 +03:00
Aliaksandr Valialkin
7fb942308c vendor: update github.com/valyala/gozstd from v1.7.0 to v1.8.1 2020-08-15 13:46:34 +03:00
Aliaksandr Valialkin
6e863376f7 lib/leveledbytebufferpool: pre-allocate byte slice with the given capacity if the pool is empty 
This should reduce memory allocations and copying when the byte slice is growing.
 2020-08-15 01:41:59 +03:00
Aliaksandr Valialkin
285665e93b app/vmselect/promql: allow passing multiple args to aggregate functions such as avg(q1, q2, q3) 2020-08-15 01:15:16 +03:00
Aliaksandr Valialkin
a2021d0dde docs/vmagent.md: mention that gaps in remote storage may appear if vmagent cannot keep up with data ingestion 2020-08-14 20:48:17 +03:00
Aliaksandr Valialkin
3efa4e4e1c lib/protoparser: move common code for detecting timeouts to ReadLinesBlockExt 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-14 20:39:51 +03:00
Aliaksandr Valialkin
c6b0547847 lib/protoparser: prevent from busy loop on repeated timeout errors when reading streams of ingested data 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-14 20:13:37 +03:00
Aliaksandr Valialkin
9d79a3a99d lib/memory: add -memory.allowedBytes command-line flag for setting absolute memory limit for VictoriaMetrics caches 2020-08-14 19:19:10 +03:00
Aliaksandr Valialkin
e7c0b2ca56 docs: update docs 2020-08-14 19:14:46 +03:00
Aliaksandr Valialkin
b996280c65 app/{vminsert,vmagent}: improve documentation for -influxListenAddr command-line flag 2020-08-14 18:03:08 +03:00
Aliaksandr Valialkin
c82a485cf6 lib/protoparser/prometheus: typo fix in error message 2020-08-14 11:04:15 +03:00
Aliaksandr Valialkin
f4c90449dc deployment/dm: update images 2020-08-14 02:27:55 +03:00
Aliaksandr Valialkin
0a34f56b39 vendor: update github.com/VictoriaMetrics/fasthttp from v1.0.4 to v1.0.5 2020-08-14 02:19:56 +03:00
Aliaksandr Valialkin
d615ae81e5 vendor: update github.com/klauspost/compress from v1.10.10 to v1.10.11 2020-08-14 02:16:39 +03:00
Aliaksandr Valialkin
9e67343756 lib/promscrape: use a hint on body length instead of body capacity 
This should reduce memory usage for https://github.com/VictoriaMetrics/VictoriaMetrics/issues/689
 2020-08-14 01:17:46 +03:00
Aliaksandr Valialkin
b4119bb51e lib/promscrape: reduce memory usage when scraping big number of targets 
Thanks to @dxtrzhang for the original idea at https://github.com/VictoriaMetrics/VictoriaMetrics/pull/688

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/689
 2020-08-14 01:05:04 +03:00
Aliaksandr Valialkin
1724cc241e lib/promscrape: properly retry requests on the server closed connection before returning the first response byte error during service discover API calls and target scrapes 2020-08-13 22:32:29 +03:00
Aliaksandr Valialkin
60c7397be5 all: support %{ENV_VAR} placeholders in yaml configs in all the vm* components 
Such placeholders are substituted by the corresponding environment variable values.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/583
 2020-08-13 17:17:06 +03:00
Aliaksandr Valialkin
aa7f1a9d8f deployment/docker: update Go builder from Go1.14.7 to Go1.15.0 2020-08-13 15:53:39 +03:00
Aliaksandr Valialkin
c5d50a5940 docs/Cluster-VictoriaMetrics.md: mention about Kubernetes operator 2020-08-12 21:15:01 +03:00
Aliaksandr Valialkin
801a0241fc docs/Single-server-VictoriaMetrics.md: mention helm charts, k8s operator and vmctl tool in Integrations chapter 2020-08-12 21:12:45 +03:00
Aliaksandr Valialkin
f20032dbb5 docs/Articles.md: added https://medium.com/@romanhavronenko/victoriametrics-how-to-migrate-data-from-prometheus-d44a6728f043 2020-08-12 21:03:25 +03:00
Aliaksandr Valialkin
6721e47ae9 app: respect CPU limits set via cgroups 
Update GOMAXPROCS to limits set via cgroups. This should reduce CPU trashing and reduce memory usage
for cases when VictoriaMetrics components run in containers with CPU limits.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685
 2020-08-11 23:01:03 +03:00
Aliaksandr Valialkin
59d95961b8 lib/protoparser: clarify that the string passed to Unmarshal() function must remain available when the parsed rows are in use 2020-08-11 17:05:21 +03:00
Aliaksandr Valialkin
315b752245 docs/Single-server-VictoriaMetrics.md: mention that it is safe to skip multiple versions during the upgrade 2020-08-11 14:22:24 +03:00
Aliaksandr Valialkin
62b6e54622 app/vmselect: reduce memory usage when exporting time series with big number of samples via /api/v1/export if max_rows_per_line is set to non-zero value 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685
 2020-08-10 20:57:43 +03:00
Aliaksandr Valialkin
890cfe5b61 lib/protoparser/influx: accept precision=us and precision=µ according to https://docs.influxdata.com/influxdb/v1.8/tools/api/#write-http-endpoint 2020-08-10 20:23:20 +03:00
Aliaksandr Valialkin
e3439a6cd0 lib/promscrape: optimize per-metric hash calculations 
This increases vmagent performance by up to 10% when scraping big number of metrics
 2020-08-10 19:47:50 +03:00
Aliaksandr Valialkin
c9f5c5623f app/vmselect/netstorage: vary batch size for data unpacking depending on the available CPU cores 
This should reduce contention on the channel with unpack work for systems with high number of CPU cores
 2020-08-10 15:16:48 +03:00
Aliaksandr Valialkin
4ce1368e4b lib/storage: mention time range used in the query that led to error message 
This should improve detecting slow queries with too big time ranges
 2020-08-10 13:46:29 +03:00
Aliaksandr Valialkin
f92255e803 lib/storage: mention tag filters used in the query that led to error message 
This should improve detecting invalid or heavy queries that lead to errors.
 2020-08-10 13:36:54 +03:00
Aliaksandr Valialkin
b3d4ff7ee2 app/vmstorage: improve error logging when the request times out 2020-08-10 13:17:24 +03:00
Aliaksandr Valialkin
e3999ac010 lib/promscrape: show real timestamp and real duration for the scape on /targets page 
Previously the scrape duration may be negative when calculated scrape timestamp drifts away from the real scrape timestamp
 2020-08-10 12:40:49 +03:00
Aliaksandr Valialkin
43830b1699 vendor: make vendor-update 2020-08-09 15:14:09 +03:00
Aliaksandr Valialkin
c09c881264 lib/promscrape: make errcheck happy 2020-08-09 13:17:30 +03:00