Hi list,
I see a few changes in the (minor) version changelogs in the default for
bluefs_buffered_io setting. Sometimes it is set to true in our version
(14.2.11) it is set to false
Can someone shed a light on this setting? I fail to find any documentation
on it. ceph config help is not entirely clear to me as well
- What does it do exactly when true
- If false does that mean that the linux buffer cache is always skipped?
And caching happens in the osd proces only?
- if enabled should we lower the osd_memory_target to leave more space for
the linux buffer cache? What would be the percentage of memory that we
then assign to osd_memory_targets
Marcel
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