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Support using buffered I/O with O_SYNC instead of direct I/O

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Vitaliy Filippov
2023-07-29 12:17:18 +03:00
parent 9a427dd70a
commit 564df2eb5d
13 changed files with 200 additions and 15 deletions
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docs/config/layout-osd.en.md
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@@ -213,4 +213,5 @@ have enough RAM for the default 4 KB csum_block_size.
Option 3 is recommended for SSD+HDD setups (because metadata SSDs will handle
extra reads without any performance drop) and also *maybe* for NVMe all-flash
setups when you don't have enough RAM (because NVMe drives have plenty
of read iops to spare).
of read iops to spare). [cached_io_meta](osd.en.md#cached_io_meta) may also
help to improve performance in this case for SSD+HDD setups.