Re: BlueStore Cache Ratios

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jorge,

On 10/10/2017 07:23 AM, Jorge Pinilla López wrote:
> Are .99 KV, .01 MetaData and .0 Data ratios right? they seem a little
> too disproporcionate.

Yes, this is correct.

> Also .99 KV and Cache of 3GB for SSD means that almost the 3GB would
> be used for KV but there is also another attributed called
> bluestore_cache_kv_max which is by fault 512MB, then what is the rest
> of the cache used for?, nothing? shouldnt it be more kv_max value or
> less KV ratio?

Anything over the *cache_kv_max value goes to the metadata cache. You
can look in your logs to see the final values of kv, metadata and data
cache ratios. To get data cache, you need to lower the ratios of
metadata and kv caches.

Mohamad
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux