> -----Original Message----- > From: Sage Weil [mailto:sage@xxxxxxxxxxxx] > Sent: Wednesday, April 08, 2015 5:40 PM > To: Deneau, Tom > Cc: ceph-devel > Subject: Re: ms_crc_data false > > 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 Hmm, I am doing rados bench seq so only reads. Is this in 0.93 or do I need 0.94? -- Tom -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html