Commit Graph

4 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
6ba2fd3312
app/vmselect/promql: follow-up for ce4f26db02
- Document the bugfix at docs/CHANGELOG.md
- Filter out NaN values before sorting as suggested at https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5509#discussion_r1447369218
- Revert unrelated changes in lib/filestream and lib/fs
- Use simpler test at app/vmselect/promql/exec_test.go

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5509
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5506
2024-01-16 22:13:13 +02:00
Zongyang
cb37df5723
FIX bottomk doesn't return any data when there are no time range overlap between timeseries ()
* FIX sort order in bottomk

* Add lessWithNaNsReversed for bottomk

* Add ut for TopK

* Move lt from loop

* FIX lint

* FIX lint

* FIX lint

* Mod log format

---------

Co-authored-by: xiaozongyang <xiaozngyang@kanyun.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2024-01-16 22:12:49 +02:00
Aliaksandr Valialkin
cb5c39ee70 lib/fs: optimize small reads for ReaderAt.MustReadAt by reading from memory-mapped space instead of reading from file descriptor
This should improve performance when reading many small blocks.
2020-01-30 15:16:16 +02:00
Aliaksandr Valialkin
6358cf3d47 app/vmselect/netstorage: move MustAdviseSequentialRead to lib/fs 2019-12-23 23:16:26 +02:00