Hello.
By now we have SSD disks with a great perfomance under O_DIRECT/O_SYNC
flags (and we recomended to use they for journal).
Why in a All-Flash type Ceph clusters we still use journal and them put
a data into OSD?
Why we can't just write a data into OSD with O_DIRECT/O_SYNC flags,
without journal?
Can we just switch off the journal functional for all-flash ceph clusters?
--
Mike, runs.
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