On Wed, 8 Apr 2015, Deneau, Tom wrote: > With 0.93, I tried > ceph tell 'osd.*' injectargs '--ms_crc_data=false' '--ms_crc_header=false' > > and saw the changes reflected in ceph admin-daemon > > But having done that, perf top still shows time being spent in crc32 routines. > Is there some other parameter that needs changing?
The osd still does a CRC for the purposes of write journaling. This can't be disabled currently. You shouldn't see this come up on reads... sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
