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24 commits

Author SHA1 Message Date
Aliaksandr Valialkin
ffc0ab1774 lib/{mergeset,storage}: improve the detection of the needed free space for background merge 
This should prevent from possible out of disk space crashes during big merges.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1560
 2021-08-25 09:35:44 +03:00
Aliaksandr Valialkin
43103be011 lib/{storage,mergeset}: increase cache timeout for data and index blocks from a minute to two minutes 
One minute cache timeout result in slower queries in some production workloads where the interval
between query execution is in the range 1 minute - 2 minutes.
 2021-07-05 15:16:11 +03:00
Aliaksandr Valialkin
c93cee8de8 lib/{mergeset,storage}: reduce the maximum lifetime for cached indexdb and data blocks from 2 minutes to a minute 
This should reduce memory usage on a system with high number of active time series and a high churn rate.
One minute is enough for caching the blocks needed for repeated queries (e.g. alerting rules, recording rules and dashboard refreshes).
 2021-06-29 19:57:07 +03:00
Aliaksandr Valialkin
cb311bb156 lib/{mergeset,storage}: do not use pools for indexBlock and inmemoryBlock during their caching, since this results in higher memory usage in production without any performance gains 2021-02-21 21:18:59 +02:00
Aliaksandr Valialkin
ce99b48a9a Revert "lib/mergeset: tune lifetime for entries inside block caches" 
This reverts commit 458c89324d.

Production testing revealed zero improvements for memory usage with reduced lifetime for entries in block caches.
 2021-02-17 20:42:21 +02:00
Aliaksandr Valialkin
458c89324d lib/mergeset: tune lifetime for entries inside block caches 
This should reduce memory usage in general case without significant CPU usage increase
 2021-02-16 18:11:51 +02:00
Aliaksandr Valialkin
cb96a1865b app/vmstorage: export missing vm_cache_size_bytes metrics for indexdb and data caches 2021-02-09 00:47:00 +02:00
Aliaksandr Valialkin
78d2715d04 all: spelling fix: superflouos->superfluous. This is a follow-up for 0acdab3ab9 2020-11-24 12:42:22 +02:00
Aliaksandr Valialkin
f765985947 lib/fs: replace fs.OpenReaderAt with fs.MustOpenReaderAt 
All the callers for fs.OpenReaderAt expect that the file will be opened.
So it is better to log fatal error inside fs.MustOpenReaderAt instead of leaving this to the caller.
 2020-11-23 09:57:21 +02:00
Aliaksandr Valialkin
ae91a6883c lib/{storage,mergeset}: clean cached index blocks and inmemory blocks more aggressively 
Previously such blocks were cleaned after they weren't accessed during 10 minutes.
Now they are cleaned after one minute of missing access. This should reduce memory usage in general case.
 2020-11-04 17:04:04 +02:00
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
0afd48d2ee lib: extract common code for returning fast unix timestamp into lib/fasttime 2020-05-14 23:02:07 +03:00
Aliaksandr Valialkin
606585f7be lib/{storage,mergeset}: cleanup: remove unused partSearch.indexBlockReuse 2020-05-14 14:03:03 +03:00
Aliaksandr Valialkin
3232605524 lib/storage: properly initialize part struct before trying to close it on error 
This should prevent from nil pointer dereference bug at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/468 .
 2020-05-12 14:54:31 +03:00
Aliaksandr Valialkin
7d73623c69 lib/{storage,mergeset}: make sure that requests and misses cache counters never go down 2020-04-10 14:45:01 +03:00
Aliaksandr Valialkin
eceaf13e5e lib/{storage,mergeset}: use time.Ticker instead of time.Timer where appropriate 
It has been appeared that time.Timer was used in places where time.Ticker must be used instead.
This could result in blocked goroutines as in the https://github.com/VictoriaMetrics/VictoriaMetrics/issues/316 .
 2020-02-13 13:10:07 +02:00
Aliaksandr Valialkin
ad8af629bb all: rename ReadAt* to MustReadAt* in order to dont clash with io.ReaderAt 2020-01-30 15:08:58 +02:00
Aliaksandr Valialkin
6665f10e7b lib/{mergeset,storage}: properly update lastAccessTime in index and data block cache entries 2020-01-20 14:59:47 +02:00
Aliaksandr Valialkin
893b62c682 lib/{mergeset,storage}: fix uint64 counters alignment for 32-bit architectures (GOARCH=386, GOARCH=arm) 2020-01-14 22:47:04 +02:00
Aliaksandr Valialkin
7830c10eb2 lib/{storage,mergeset}: gradually remove stale entries from block cache and index caches 
This should reduce memory usage in the long run when old blocks and indexes
aren't accessed anymore.
 2020-01-14 21:38:44 +02:00
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
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
56c154f45b all: add vm_data_size_bytes metrics for easy monitoring of on-disk data size and on-disk inverted index size 2019-07-04 19:42:30 +03:00
Aliaksandr Valialkin
1836c415e6 all: open-sourcing single-node version 2019-05-23 00:18:06 +03:00