Mark Nelson
Mark Nelson
I did a very minimal initial test where I created 4 128GB RBD images, pre-filled them with 4MB writes, then did 5 minutes of 4K random writes to them in...
Here's a debug_bluestore = 10 log while deep-scrubbing one of the other PGs (2.1fb). [osd.2.log.gz](https://github.com/ceph/ceph/files/15417239/osd.2.log.gz)
> > extents actually went up? > > Are you referring to onode_extens perf counter here? IMO that's a wrong metric as it's an amount of logical (not physical) extents...
> I could see no initial compression, e.g. 2024-05-23T12:58:04.863+0000 7fed59ea4700 10 bluestore(/tmp/cbt/mnt/osd-device-2-data) read layout reformatting = both span stat {s=524288 ch=0 a=524288 sc=0 ac=0 sh=0 e=8 f=11} > > sc...
This works fine in testing, but is going to require version_compat to be set for anything pre-reef. The UI change that was introduced is not backward compatible. @neha-ojha @NitzanMordhai This...
@aclamk How would you like to go about testing this PR so we can merge it?
@aclamk Is it worth doing some preliminary performance sanity checks at this point?
@rzarzynski Are you still working on this branch? Do you have another one for some of the new work?
Speaking of testing, I'm happy to jump in and repeat the same tests that were performed for #52746 once folks are ready. I think we're going to need to get...