[ceph-users] Re: avg apply latency went up after update from octopus to pacific

[Anthony D'Atri]

> 
>> 
>> What I also see is that I have three OSDs that have quite a lot of OMAP
>> data, in compare to other OSDs (~20 time higher). I don't know if this
>> is an issue:
> 
> I have on 2TB ssd's with 2GB - 4GB omap data, while on 8TB hdd's the omap 
> data is only 53MB - 100MB.
> Should I manually clean this? (how? :))

The amount of omap data depends on multiple things, especially the use-case.  
If a given OSD is only used for RBD, it will have a different omap experience 
than if it were used for an RGW index pool.


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