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Author SHA1 Message Date
Aliaksandr Valialkin
940349ccb9 app/vmselect/promql: independently track offset hints for tStart and tEnd 
This should improve performance if timeseries starts or ends on the selected time range
 2019-08-19 13:40:24 +03:00
Aliaksandr Valialkin
6ae4b4190f app/vmselect/promql: optimize search for timestamp boundaries in rollupConfig.Do 
This should improve the performance of queries over big number of time series
with big number of output points.
 2019-08-19 13:03:38 +03:00
Aliaksandr Valialkin
c59f5c4865 lib/storage: pre-allocate memory for blockHeader slice in unmarshalBlockHeaders 
This reduces memory usage and memory fragmentation when working with big number of time series
 2019-08-19 12:46:45 +03:00
Aliaksandr Valialkin
45e57be590 deployment: update docker image tags from v1.25.1-cluster to v1.25.2-cluster 2019-08-18 22:56:11 +03:00
Aliaksandr Valialkin
0f45273e20 deployment/docker: switch Go builder from go1.12.8 to go1.12.9 2019-08-18 22:09:21 +03:00
Aliaksandr Valialkin
005aabd305 app/vmselect/promql: add scrape_interval(q[d]) function, which would return scrape interval for q over d 2019-08-18 21:08:15 +03:00
Aliaksandr Valialkin
218cb4623a app/vmselect/promql: hande comparisons with NaN similar to Prometheus 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150
 2019-08-18 00:25:58 +03:00
Aliaksandr Valialkin
dcce92c63c app/vmselect/promql: add lifetime(q[d]) function, which returns the lifetime of q over d in seconds. 
This function is useful for determining time series lifetime.
`d` must exceed the expected lifetime of the time series, otherwise
the function would return values close to `d`.
 2019-08-16 11:59:51 +03:00
Aliaksandr Valialkin
0cb66a8f95 app/vmselect/promql: fix corner-case calculation for ideriv 2019-08-16 11:59:50 +03:00
Aliaksandr Valialkin
1b5b9ced27 app/vmselect/promql: properly handle corner cases for rollup functions 2019-08-15 23:31:28 +03:00
Aliaksandr Valialkin
f696cc503a lib/workingsetcache: automatically detect when it is better to double cache capacity 2019-08-15 22:58:04 +03:00
Aliaksandr Valialkin
97634d7101 deployment/docker: switch Go builder from go1.12.7 to go1.12.8 2019-08-15 20:43:23 +03:00
Aliaksandr Valialkin
e6541a7676 deployment: update docker images 2019-08-15 14:18:43 +03:00
Aliaksandr Valialkin
e399b948de Makefile: remove duplicate -cluster suffix from tar.gz file generated by make release, since this suffix must be already present in PKG_TAG 2019-08-15 14:07:43 +03:00
Aliaksandr Valialkin
1dd736a75c Makefile: add make release rule for building release tar.gz file with cluster binaries 
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/146
 2019-08-15 14:05:56 +03:00
Aliaksandr Valialkin
c15dfc6cea vendor: update github.com/valyala/gozstd from v1.5.1 to v1.6.0 2019-08-15 12:57:59 +03:00
Aliaksandr Valialkin
83ed5d3109 deployment: update docker images 2019-08-14 03:12:49 +03:00
Aliaksandr Valialkin
99eed2ca14 lib/storage: properly cache tagFilters -> TSIDs entries from historical index 2019-08-14 02:32:25 +03:00
Aliaksandr Valialkin
f1d81b9405 lib/storage: compress contents of cache for tagFilters -> TSIDs 
This should increase cache capacity
 2019-08-14 02:32:22 +03:00
Aliaksandr Valialkin
b8bbe92de1 app/vmselect/promql: store compressed results in the cache 
This should increase rollup results cache capacity.
 2019-08-14 02:32:16 +03:00
Aliaksandr Valialkin
8c2158af24 all: use workingsetcache instead of fastcache 
This should reduce the amount of RAM required for processing time series
with non-zero churn rate.

The previous cache behavior can be restored with `-cache.oldBehavior` command-line flag.
 2019-08-13 21:40:28 +03:00
Aliaksandr Valialkin
51263b1a45 lib/fs: add test for IsTemporaryFileName 2019-08-13 21:33:54 +03:00
Aliaksandr Valialkin
867612a4a4 Makefile: consistency renaming: check_all -> check-all 2019-08-13 21:32:08 +03:00
Aliaksandr Valialkin
5a7ab0d90b lib/storage: remove broken BenchmarkIndexDBSearchTSIDs 2019-08-13 20:21:23 +03:00
Aliaksandr Valialkin
39f3f3a517 lib: move common code for creating flock.lock file into fs.CreateFlockFile 2019-08-13 01:46:20 +03:00
Aliaksandr Valialkin
73f866d874 lib/fs: atomically create file with the given contents on WriteFileAtomically 
This should prevent from `transaction` and `metadata.json` files corruption
on unclean shutdown such as OOM, `kill -9`, power loss, etc.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/148
 2019-08-12 15:02:04 +03:00
Aliaksandr Valialkin
ad5be625f8 deployment: update docker images 2019-08-06 16:10:03 +03:00
Aliaksandr Valialkin
4fb635b0c9 lib/storage: do not change timestamps to constant rate if values are constant or have constant delta 
This breaks the original timestamps, which results in issues like
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/120 and
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/141 .
 2019-08-06 15:40:17 +03:00
Aliaksandr Valialkin
f56c1298ad app/vmstorage: add vm_concurrent_addrows_* metrics for tracking concurrency for Storage.AddRows calls 
Track also the number of dropped rows due to the exceeded timeout
on concurrency limit for Storage.AddRows. This number is tracked in `vm_concurrent_addrows_dropped_rows_total`
 2019-08-06 15:08:43 +03:00
Aliaksandr Valialkin
2d869c6d9b vendor: update github.com/VictoriaMetrics/metrics to v1.7.1 2019-08-05 19:21:53 +03:00
Aliaksandr Valialkin
8e05758ff5 app: add vm_concurrent_ metrics for visibility in concurrency limiters for vminsert and vmselect 2019-08-05 18:30:29 +03:00
Aliaksandr Valialkin
1258c9ef10 vendor: make vendor-update 2019-08-05 10:34:38 +03:00
Aliaksandr Valialkin
a3ecf3c1f7 lib/storage: properly reset partSearch.fetchData in partSearch.reset 2019-08-05 09:55:50 +03:00
Artem Navoiev
dd4ea63ed2 [deployment] add statefulset for vmselect (#140) 2019-08-04 23:34:05 +03:00
Aliaksandr Valialkin
a868f8607f deployment: update docker images to v1.24.0-cluster 2019-08-04 23:31:57 +03:00
Aliaksandr Valialkin
53c8f56436 app/vmselect: allow passing match[], start and time to /api/v1/label/<label_name>/values 
`/api/v1/label/<label_name>/values?match[]=q` emulates emulates `label_values(q, <label_name>)`
call in Grafana templating.
 2019-08-04 23:07:00 +03:00
Aliaksandr Valialkin
880b1d80b1 app/vmselect: optimize /api/v1/series by skipping storage data 
Fetch and process only time series metainfo.
 2019-08-04 23:00:46 +03:00
Aliaksandr Valialkin
7f5afae1e3 app/vmselect/prometheus: prevent from fetching and scanning all the data on /api/v1/searies call by default 2019-08-04 19:42:45 +03:00
Aliaksandr Valialkin
000c154641 app/vmselect/promql: tune automatic window adjustement 
Increase the windows adjustement for small scrape intervals,
since they usually have higher jitter.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/139
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/134
 2019-08-04 19:34:11 +03:00
Aliaksandr Valialkin
1d4ddadbb1 app/vmselect/promql: further increase the allowed jitter for scrape interval 
Real-world production data shows higher jitter than 1/8 of scrape interval.
This may results in gaps on the graph. So increase the allowed jitter to 1/4
of scrape interval in order to reduce the probability of gaps on the graphs
over time series with high jitter for scrape_interval.
 2019-08-02 20:16:41 +03:00
Aliaksandr Valialkin
8ed84a4713 app/vminsert/influx: round automatically generated timestamp according to the given precision arg 2019-08-02 00:24:39 +03:00
Aliaksandr Valialkin
ade7bc30db app/vmselect/promql: tolerate higher jitter in scrape interval 
Allow jitter for up to 1/8 instead of 1/16 for the scrape interval.
This should imrpove graphs when `step` is smaller than the `scrape_interval`.
 2019-08-01 23:25:53 +03:00
Aliaksandr Valialkin
a99e89945e lib/decimal: modernize tests a bit 2019-07-31 21:09:54 +03:00
Aliaksandr Valialkin
6fceedccce deployment: update docker images 2019-07-31 16:38:39 +03:00
Aliaksandr Valialkin
c994fbf500 app/vmselect/promql: add vm_slow_queries_total metric for counting slow queries 
The query is slow if its execution time exceeds `-search.logSlowQueryDuration`
 2019-07-31 03:36:45 +03:00
Aliaksandr Valialkin
071a122119 app/vmselect/promql: return NaN from histogram_quantile if at least a single bucket is broken 2019-07-31 01:18:11 +03:00
Aliaksandr Valialkin
b9a16b93e7 app/vmselect/promql: allow adjusting window for default rollup function 
Default rollup function is `last_over_time`. It must support adjusting
the provided window in order to prevent from gaps on the graph
for window values smaller than scrape interval.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/134
 2019-07-31 00:45:58 +03:00
Aliaksandr Valialkin
c901a6472f app/vmselect/promql: return NaN values if invalid bucket counts are passed to histogram_quantile 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/136
 2019-07-30 22:05:55 +03:00
Aliaksandr Valialkin
b7c4b0c6d2 lib/storage: fix matching against tag filter with empty name 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/137
 2019-07-30 15:15:21 +03:00
Aliaksandr Valialkin
5b8526e925 app/vmselect/netstorage: improve error message when reading data blocks from storage 
Mention the block number in the error. This should simplify troubleshooting in this code.
 2019-07-28 12:17:33 +03:00