Hi Janne and Dan,
Thanks for sharing your insights!
MJ
Op 15-10-2021 om 16:07 schreef Janne Johansson:
Den fre 15 okt. 2021 kl 13:38 skrev mj <lists@xxxxxxxxxxxxx>:
Op 15-10-2021 om 11:03 schreef Dan van der Ster:
Bluestore will be rocks (100% of the time IIUC).
FileStore may be level -- check `ceph daemon osd.X perf dump` and look
for a rocksdb section.
So, we *are* bluestore, but your command returns leveldb:
root@pve1:~# cat /var/lib/ceph/mon/ceph-0/kv_backend
leveldb
That is the mon, OSDs are filestore or bluestore, and "bluestore is
always rocksdb" still holds true.
filestore OSDs may be leveldb or rocksdb.
At the same time, this returns rockdb:
root@pve1:~# ceph daemon osd.1 perf dump | grep rock
"rocksdb": {
"rocksdb_write_wal_time": {
"rocksdb_write_memtable_time": {
"rocksdb_write_delay_time": {
"rocksdb_write_pre_and_post_time": {
Does it make sense?
Yes, except you asked two different daemons.
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