Aliaksandr Valialkin
c9ab6dc532
lib/fs: do not use mmap for 32-bit arches by default, since they cannot map files bigger than 4GB in RAM
2020-05-12 20:21:39 +03:00
Aliaksandr Valialkin
e933cbac16
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 08:44:01 +03:00
Aliaksandr Valialkin
7a045125cc
lib/fs: typo fix: read blocks bigger than 8KB via pread() call instead of using mmap
2020-02-25 18:04:06 +02:00
Aliaksandr Valialkin
7cde594696
all: do not clash flag description with back-quoted flag types
...
See https://golang.org/pkg/flag/#PrintDefaults for more details.
2020-02-04 15:56:01 +02:00
Aliaksandr Valialkin
9b25a2fb67
lib/fs: remove unused readerAt interface
2020-01-31 15:13:00 +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
