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30 commits

Author SHA1 Message Date
Aliaksandr Valialkin
12d733dd5d app/vminsert: add support for data ingestion via other vminsert nodes 2021-05-08 19:52:57 +03:00
Aliaksandr Valialkin
4a07820048 lib/storage: make sure that nobody uses partitions when closing the table 2021-02-17 14:59:04 +02:00
Aliaksandr Valialkin
9f5ac603a7 lib/storage: reduce the minimum supported retention for inverted index from one month to one day 2021-02-15 15:12:29 +02:00
Aliaksandr Valialkin
d16f22f3a1 app/vmselect,lib/storage: properly parse Graphite selectors with inner wildcards 
Example: foo{bar{x,yz},a[b-c],*de}
 2021-02-03 20:14:22 +02:00
Aliaksandr Valialkin
157c02622b app/vmselect: add ability to set Graphite-compatible filter via {__graphite__="foo.*.bar"} syntax 2021-02-03 01:21:54 +02:00
Aliaksandr Valialkin
0208d8c103 lib/storage: add a test for Storage.SearchMetricNames 2020-11-16 13:15:16 +02:00
Aliaksandr Valialkin
48d033a198 app/vminsert: add /tags/tagSeries and /tags/tagMultiSeries handlers from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#adding-series-to-the-tagdb
 2020-11-16 02:39:58 +02:00
immerrr again
51c529a2b6
app/vmstorage: add "/internal/force_flush" endpoint (#893) 2020-11-11 14:40:27 +02:00
Aliaksandr Valialkin
5bfd4e6218 app/vmstorage: support for -retentionPeriod smaller than one month 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/173
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/17
 2020-10-20 14:31:44 +03:00
Aliaksandr Valialkin
1f33dd717f lib/storage: add /internal/force_merge handler for running forced compactions on historical per-month partitions 
This may be useful for freeing up storage space after time series deletion.

See https://victoriametrics.github.io/#force-merge for more details.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686
 2020-09-17 12:20:40 +03:00
Aliaksandr Valialkin
039c9d2441 lib/storage: respect -search.maxQueryDuration when searching for time series in inverted index 
Previously the time spent on inverted index search could exceed the configured `-search.maxQueryDuration`.
This commit stops searching in inverted index on query timeout.
 2020-07-23 21:21:42 +03:00
Aliaksandr Valialkin
d5dddb0953 all: use %w instead of %s for wrapping errors in fmt.Errorf 
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
 2020-06-30 23:05:11 +03:00
Aliaksandr Valialkin
b4afe562c1 lib/storage: postpone reading data from blocks during search 
This eliminates the need for storing block data into temporary files on a single-node VictoriaMetrics
during heavy queries, which touch big number of time series over long time ranges.

This improves single-node VM performance on heavy queries by up to 2x.
 2020-04-27 11:45:24 +03:00
Aliaksandr Valialkin
f3e0c55ea1 lib/storage: serialize snapshot creation process with mutex 
This guarantees that the snapshot contains all the recently added data
from inmemory buffers when multiple concurrent calls to Storage.CreateSnapshot are performed.
 2020-03-24 22:27:05 +02:00
Aliaksandr Valialkin
605d588ba6 lib/uint64set: reduce memory usage in Union, Intersect and Subtract methods 
Iterate items with newly added Set.ForEach method instead of allocating `[]uint64`
slice for all the items before the iteration.
 2020-01-15 12:12:49 +02:00
Aliaksandr Valialkin
62a915f2b2 lib/storage: protect from time drift during indexdb rotation 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/248
 2019-12-02 14:44:42 +02:00
Aliaksandr Valialkin
86a1cd700b lib/storage: remove inmemory index for recent hour, since it uses too much memory 
Production workload shows that the index requires ~4Kb of RAM per active time series.
This is too much for high number of active time series, so let's delete this index.

Now the queries should fall back to the index for the current day instead of the index
for the recent hour. The query performance for the current day index should be good enough
given the 100M rows/sec scan speed per CPU core.
 2019-11-13 17:58:07 +02:00
Aliaksandr Valialkin
ca259864e2 lib/storage: return back inmemory inverted index for recent hour 
Issues fixed:
- Slow startup times. Now the index is loaded from cache during start.
- High memory usage related to superflouos index copies every 10 seconds.
 2019-11-13 13:11:04 +02:00
Aliaksandr Valialkin
01bb3c06c7 lib/storage: remove inmemory inverted index for recent hours 
Production load with >10M active time series showed it could
slow down VictoriaMetrics startup times and could eat
all the memory leading to OOM.

Remove inmemory inverted index for recent hours until thorough
testing on production data shows it works OK.
 2019-11-13 10:45:53 +02:00
Oleg Kovalov
b4f44befa3 fix misspelled words (#229) 2019-11-12 00:16:42 +02:00
Aliaksandr Valialkin
8e8f98f712 lib/storage: add tests for dateMetricIDCache 2019-11-11 13:21:57 +02:00
Aliaksandr Valialkin
ee7765b10d lib/storage: implement per-day inverted index 2019-11-10 00:02:46 +02:00
Aliaksandr Valialkin
823fa085ef lib/storage: properly set time range when deleting time series 2019-11-09 18:49:49 +02:00
Aliaksandr Valialkin
9ea549ed24 lib/storage: sync with cluster changes 2019-11-08 21:21:07 +02:00
Aliaksandr Valialkin
d888b21657 lib/storage: add inmemory inverted index for the last hour 
It should improve performance for `last N hours` dashboards with update intervals smaller than 1 hour.
 2019-11-08 21:21:07 +02:00
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
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
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
d37924900b lib/storage: optimize time series lookup for recent hours when the db contains many millions of time series with high churn rate (aka frequent deployments in Kubernetes) 2019-06-09 19:13:56 +03:00
Aliaksandr Valialkin
1836c415e6 all: open-sourcing single-node version 2019-05-23 00:18:06 +03:00