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96 commits

Author SHA1 Message Date
Aliaksandr Valialkin
6be4456d88 lib/{storage,uint64set}: add Set.Union() function and use it 2019-11-04 00:44:37 +02:00
Aliaksandr Valialkin
9becc26f4b lib/storage: remove interface conversion in hot path during block merging 
This should improve merge speed a bit for parts with big number of small blocks.
 2019-11-03 12:33:34 +02:00
Aliaksandr Valialkin
c62399eb3e lib/{storage,mergeset}: create missing partition directories after restoring from backups 
Backup tools could skip empty directories. So re-create such directories on the first run.
 2019-11-02 02:27:11 +02:00
Aliaksandr Valialkin
d18ea0c95b app/vmstorage: add -bigMergeConcurrency and -smallMergeConcurrency flags for tuning the maximum number of CPU cores used during merges 2019-10-31 16:19:13 +02:00
Aliaksandr Valialkin
e0b292c6de lib/storage: small cleanup in Storage.add 2019-10-31 14:30:34 +02:00
Aliaksandr Valialkin
26d570bb3a lib/storage: get parts to merge after applying the limit on the number of concurrent merges 
This should reduce write amplification under high ingestion rate.
 2019-10-30 02:04:56 +02:00
Aliaksandr Valialkin
2e2eff90d5 lib/{mergeset,storage}: limit the maximum number of concurrent merges; leave smaller number of parts during final merge 2019-10-29 12:45:28 +02:00
hanzai
b3c946e35a warns during rows addition (#214) 2019-10-20 23:41:07 +03:00
Aliaksandr Valialkin
e83fe938c8 all: make fmt 2019-10-17 20:04:34 +03:00
Aliaksandr Valialkin
97ce4e03a5 all: add support for GOARCH=386 and fix all the issues related to 32-bit architectures such as GOARCH=arm 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2019-10-17 18:23:23 +03:00
Aliaksandr Valialkin
f6334bffa1 lib/storage: harden the check that the original items are sorted after mergeTagToMetricIDsRows fails to preserve sort order 2019-10-09 12:13:17 +03:00
Aliaksandr Valialkin
2abd5154e0 lib/storage: typo fix in comment to maxRowsPerSmallPart. 2019-10-08 18:51:20 +03:00
Aliaksandr Valialkin
c1cf7d9f93 lib/storage: add tests for mergeTagToMetricIDsRows and return the original items if the function breaks items` ordering. 
This should save from data corruption issues revealed in the previous releases up to v1.28.0-beta5.
 2019-10-08 16:27:35 +03:00
Aliaksandr Valialkin
0fa6df94a2 lib/storage: optimize TSID comparison 2019-09-26 14:16:02 +03:00
Aliaksandr Valialkin
c39355921e lib/storage: verify whether items are sorted in the end of call to mergeTagToMetricIDsRows 
This should prevent from inverted index corruption if bug in mergeTagToMetricIDsRows is discovered.
 2019-09-26 13:13:41 +03:00
Aliaksandr Valialkin
0db9fcedd5 lib/storage: properly match labels against regexp with (?i) flag 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/161
 2019-09-26 11:03:10 +03:00
Aliaksandr Valialkin
2444433d83 lib/storage: add missing break in removeDuplicateMetricIDs 2019-09-25 18:23:43 +03:00
Aliaksandr Valialkin
ea4c828bae lib/storage: remove duplicate MetricIDs in tag->metricIDs items before writing them into inverted index 2019-09-25 17:55:13 +03:00
Aliaksandr Valialkin
aebc45ad26 lib/{mergeset,storage}: do not cache inverted index blocks containing tag->metricIDs items 
This should reduce the amounts of used RAM during queries with filters over big number of time series.
 2019-09-25 14:02:15 +03:00
Aliaksandr Valialkin
b986516fbe lib/storage: create and use lib/uint64set instead of map[uint64]struct{} 
This should improve inverted index search performance for filters matching big number of time series,
since `lib/uint64set.Set` is faster than `map[uint64]struct{}` for both `Add` and `Has` calls.
See the corresponding benchmarks in `lib/uint64set`.
 2019-09-24 21:17:55 +03:00
Aliaksandr Valialkin
ef2296e420 lib/storage: typo fix: return dstData instead of data from mergeTagToMetricIDsRows 2019-09-24 19:32:34 +03:00
Aliaksandr Valialkin
a6086cde78 lib/storage: limit the number of metricIDs in tag->metricIDs row 
This reduces the overhead on index and metaindex in lib/mergeset
 2019-09-24 00:49:51 +03:00
Aliaksandr Valialkin
c9063ece66 lib/storage: share tsids across all the partSearch instances 
This should reduce memory usage when big number of time series matches the given query.
 2019-09-23 22:35:15 +03:00
Aliaksandr Valialkin
4e26ad869b lib/{storage,mergeset}: verify PrepareBlock callback results 
Do not touch the first and the last item passed to PrepareBlock
in order to preserve sort order of mergeset blocks.
 2019-09-23 20:43:13 +03:00
Aliaksandr Valialkin
0adebae1f8 lib/storage: generate the first tag->metricIDs item in a mergeset block with a single metricID 
The first item from each mergeset block goes into index (lib/mergeset.blockHeader),
so it must be short in order to reduce index size.
 2019-09-22 19:21:33 +03:00
Aliaksandr Valialkin
0686ac52c3 lib/{storage,mergeset}: merge tag->metricID rows into tag->metricIDs rows for common tag values 
This should improve lookup performance if the same `label=value` pair exists
in big number of time series.
This should also reduce memory usage for mergeset data cache, since `tag->metricIDs` rows
occupy less space than the original `tag->metricID` rows.
 2019-09-20 22:06:41 +03:00
Aliaksandr Valialkin
a544f49c2b lib/storage: optimize selecting all the metricIDs by scanning MetricID->TSID entries instead of tag->MetricID entries 
The number of MetricID->TSID entries is smaller than the number of tag->MetricID entries
and MetricID->TSID entries are usually shorter than tag->MetricID entries.
This should improve performance when selecting all the metricIDs.
 2019-09-20 11:54:10 +03:00
Aliaksandr Valialkin
a84fe76677 lib/storage: use sort.Sort instead of sort.slice in getSortedMetricIDs 2019-09-19 20:07:22 +03:00
Aliaksandr Valialkin
3a697a935a lib/storage: skip duplicate call to intersectMetricIDsWithTagFilter on zero successful intersects 2019-09-19 17:49:56 +03:00
Aliaksandr Valialkin
3d83f5d334 lib/storage: mark tag filter returning errFallbackToMetricNameMatch as useless 
This will save CPU on subsequent calls for this filter
 2019-09-18 19:10:32 +03:00
Aliaksandr Valialkin
8d35718dc6 lib/storage: properly construct keys for uselessTagFiltersCache and register useless negative tag filters there 2019-09-17 23:20:27 +03:00
Aliaksandr Valialkin
bad53e4207 lib/mergeset: dynamically calculate the maximum number of items per part, which can be cached in OS page cache 2019-09-11 14:53:45 +03:00
Aliaksandr Valialkin
9eb5de334f lib/storage: typo fix 2019-09-04 19:58:01 +03:00
Aliaksandr Valialkin
16dd145586 lib/storage: remove duplicate tag keys on MetricName.Marshal call 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/172
 2019-09-04 18:13:45 +03:00
Aliaksandr Valialkin
e1d76ec1f3 lib/storage: invalidate tagFilters -> TSIDS cache when newly added index data becomes visible to search 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/163
 2019-08-29 15:08:35 +03:00
Aliaksandr Valialkin
9196c085a7 all: port to FreeBSD on GOARCH=amd64 2019-08-28 01:19:23 +03:00
Aliaksandr Valialkin
2655220c58 lib/storage: go fmt 2019-08-27 14:29:51 +03:00
Aliaksandr Valialkin
bf915fc0db lib/storage: report proper maxMetrics limit when more than -search.maxUniqueTimeseries series match the given filters 2019-08-27 14:21:42 +03:00
Aliaksandr Valialkin
2fc157ff7a lib/storage: properly handle (?i) in the tag filter regexp 
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/161
 2019-08-26 00:44:45 +03:00
Aliaksandr Valialkin
0dc0006f34 lib/storage: calculate the maximum number of rows per small part from -memory.allowedPercent 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/159

This simplifies error detection additionally to the `vm_rows_ignored_total` counters.
 2019-08-25 15:31:47 +03:00
Aliaksandr Valialkin
4b688fffee lib/storage: calculate the maximum number of rows per small part from -memory.allowedPercent 
This should improve query speed over recent data on machines with big amounts of RAM
 2019-08-25 14:41:12 +03:00
Aliaksandr Valialkin
1402a6b981 lib/storage: properly limit the number of output rows in small and big parts storage 
Previously small parts storage didn't take into account the available disk space for big parts.
 2019-08-25 14:41:12 +03:00
Aliaksandr Valialkin
3308279c4e lib/storage: remove outdated comment on maxRowsPerSmallPart 
The commend became outdated after the commit ed6ac1a5df027f0dfc22448e3b27c26b6f77c67a,
which stops merging of small parts on graceful shutdown instead of waiting
for their completion.
 2019-08-25 13:47:32 +03:00
Aliaksandr Valialkin
8c03a8c4b4 app/vminsert: allow setting the maximum number of labels per time series via -maxLabelsPerTimeseries 2019-08-23 08:45:26 +03:00
Aliaksandr Valialkin
380cae23a0 lib/storage: add benchmarks for regexp filter match / mismatch 
These benchmarks allow estimate the performance of regexp filters in promql
 2019-08-22 16:36:42 +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
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
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
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