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Author SHA1 Message Date
Aliaksandr Valialkin
ec8125606d app/vminsert/opentsdb: fix BenchmarkRowsUnmarshal by adding missing put prefixes to each line 2019-08-21 19:14:47 +03:00
Aliaksandr Valialkin
f4a38f7fb1 app/vmselect/promql: fix panic on -search.disableCache 
Reset the cache if it is disabled instead of stopping, since it is stopped on graceful shutdown.
 2019-08-21 17:11:52 +03:00
Aliaksandr Valialkin
ab740afd0d app/vmselect/promql: explain why empty timeseries arent removed in transformLabelValue 2019-08-21 11:29:24 +03:00
Aliaksandr Valialkin
7b5168adfb app/vmselect/promql: remove NaNs from /api/v1/query_range output like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/153
 2019-08-20 23:01:41 +03:00
Aliaksandr Valialkin
a0d480fbf3 app/vmselect/promql: pre-allocate memory for map for checking for duplicate timeseries 
This should reduce memory allocations for big number of timeseries
 2019-08-20 23:01:39 +03:00
Aliaksandr Valialkin
0dfc1ace53 README.md: add a section about backfilling 2019-08-20 00:34:51 +03:00
Aliaksandr Valialkin
d3fd113a80 app/vmselect/promql: add label_value(q, label_name) func, which returns numeric value labels with name label_name in q 2019-08-20 00:28:34 +03:00
Aliaksandr Valialkin
4f738c8a15 lib/storage: try slower path for searching the tag filter with the minimum number of matching time series before giving up with increase -search.maxUniqueTimeseries error 2019-08-19 16:04:21 +03:00
Aliaksandr Valialkin
dd86e6130c 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 13:40:14 +03:00
Aliaksandr Valialkin
6a27657d73 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 13:03:29 +03:00
Aliaksandr Valialkin
c23b66a1ad 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 12:46:33 +03:00
Aliaksandr Valialkin
be39414f9c deployment/docker: switch Go builder from go1.12.8 to go1.12.9 2019-08-18 22:07:58 +03:00
Aliaksandr Valialkin
e74fb23189 app/vmselect/promql: add scrape_interval(q[d]) function, which would return scrape interval for q over d 2019-08-18 21:08:26 +03:00
Aliaksandr Valialkin
582fdc059a app/vmselect/promql: hande comparisons with NaN similar to Prometheus 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150
 2019-08-18 00:25:50 +03:00
Aliaksandr Valialkin
1c108fc494 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 11:59:32 +03:00
Aliaksandr Valialkin
d6b5ed6d39 app/vmselect/promql: fix corner-case calculation for ideriv 2019-08-16 11:59:28 +03:00
Aliaksandr Valialkin
639b14e8ab app/vmselect/promql: properly handle corner cases for rollup functions 2019-08-15 23:29:59 +03:00
Aliaksandr Valialkin
483de1cc06 lib/workingsetcache: automatically detect when it is better to double cache capacity 2019-08-15 22:57:55 +03:00
Aliaksandr Valialkin
9e0896055d deployment/docker: switch Go builder from go1.12.7 to go1.12.8 2019-08-15 20:43:36 +03:00
Aliaksandr Valialkin
5bb61b8b38 vendor: update github.com/valyala/gozstd from v1.5.1 to v1.6.0 2019-08-15 12:56:42 +03:00
Aliaksandr Valialkin
75a58dee02 README.md: typo fix 2019-08-14 03:28:07 +03:00
Aliaksandr Valialkin
5b41122292 lib/storage: properly cache tagFilters -> TSIDs entries from historical index 2019-08-14 02:29:58 +03:00
Aliaksandr Valialkin
964c296f96 lib/storage: compress contents of cache for tagFilters -> TSIDs 
This should increase cache capacity
 2019-08-14 02:29:52 +03:00
Aliaksandr Valialkin
9ecb994671 app/vmselect/promql: store compressed results in the cache 
This should increase rollup results cache capacity.
 2019-08-14 02:29:45 +03:00
Aliaksandr Valialkin
9d41e0dcae README.md: reduce the recommended max_shards value according to test results 
See https://github.com/prometheus/prometheus/issues/5803#issuecomment-520973662
 2019-08-13 22:33:10 +03:00
Aliaksandr Valialkin
09fc6e22e5 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 21:39:34 +03:00
Aliaksandr Valialkin
99c37c2c96 lib/fs: add test for IsTemporaryFileName 2019-08-13 21:33:45 +03:00
Aliaksandr Valialkin
06c2c25544 Makefile: consistency renaming: check_all -> check-all 2019-08-13 21:31:19 +03:00
Aliaksandr Valialkin
ec1b185991 lib/storage: remove broken BenchmarkIndexDBSearchTSIDs 2019-08-13 20:22:08 +03:00
Aliaksandr Valialkin
0967683ae9 lib: move common code for creating flock.lock file into fs.CreateFlockFile 2019-08-13 01:45:46 +03:00
Aliaksandr Valialkin
ad8a43b4e1 README.md: fix metric names in influx line protocol example 
Default separator between `measurement` and `field_name` is `_`.
 2019-08-12 15:58:34 +03:00
Aliaksandr Valialkin
7346982763 README.md: mention that Influx line protocol accepts timestamps in nanoseconds by default 2019-08-12 15:31:52 +03:00
Aliaksandr Valialkin
5d8d110010 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 15:02:55 +03:00
Aliaksandr Valialkin
0b488f1e37 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 15:40:07 +03:00
Aliaksandr Valialkin
b8bb74ffc6 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 15:08:33 +03:00
Aliaksandr Valialkin
5c9e48417a vendor: update github.com/VictoriaMetrics/metrics to v1.7.1 2019-08-05 19:21:36 +03:00
Aliaksandr Valialkin
5c83f8e203 app: add vm_concurrent_ metrics for visibility in concurrency limiters for vminsert and vmselect 2019-08-05 18:30:57 +03:00
Aliaksandr Valialkin
05713469c3 vendor: make vendor-update 2019-08-05 10:33:21 +03:00
Aliaksandr Valialkin
8822079b77 lib/storage: properly reset partSearch.fetchData in partSearch.reset 2019-08-05 09:56:06 +03:00
Aliaksandr Valialkin
99e048c9df 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 23:09:21 +03:00
Aliaksandr Valialkin
47e4b50112 app/vmselect: optimize /api/v1/series by skipping storage data 
Fetch and process only time series metainfo.
 2019-08-04 23:01:28 +03:00
Aliaksandr Valialkin
241170dc05 app/vmselect/prometheus: prevent from fetching and scanning all the data on /api/v1/searies call by default 2019-08-04 19:42:36 +03:00
Aliaksandr Valialkin
1c69f4eadc 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 19:34:05 +03:00
Aliaksandr Valialkin
8d93b15b86 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 20:10:23 +03:00
Aliaksandr Valialkin
fcc166622a README.md: mention that monitoring is recommended for VictoriaMetrics 2019-08-02 15:27:10 +03:00
Aliaksandr Valialkin
a9f39168d2 app/vminsert/influx: round automatically generated timestamp according to the given precision arg 2019-08-02 00:24:06 +03:00
Aliaksandr Valialkin
f090b2e917 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 23:26:00 +03:00
Aliaksandr Valialkin
10caad4728 lib/decimal: modernize tests a bit 2019-07-31 21:10:03 +03:00
Aliaksandr Valialkin
3b90c2a99a
Add CODE_OF_CONDUCT.md 2019-07-31 15:44:26 +03:00
Aliaksandr Valialkin
57ec4f5f92 Update issue templates 
Add a template for feature request
 2019-07-31 15:41:57 +03:00