Re: Replication speeds?

2007-05-10 Thread Wesley Craig
On 10 May 2007, at 06:45, Nik Conwell wrote: Thanks for the info & patch. I applied it to the 2.3.7 test system but no appreciable speed increase. Did it help you with both large replications (I'm doing a single 1.1G user to test) and the rolling replication? ttcp shows the nets can do about

Re: Replication speeds?

2007-05-10 Thread Nik Conwell
On May 9, 2007, at 2:01 PM, Wesley Craig wrote: Obviously looking at more iostat information would give a better idea, but I'd estimate that you are NOT I/O bound. Sorry I can't give you absolute numbers from UM, but I can share a patch that we wrote that we believe has increase sync thro

Re: Replication speeds?

2007-05-09 Thread Wesley Craig
Obviously looking at more iostat information would give a better idea, but I'd estimate that you are NOT I/O bound. Sorry I can't give you absolute numbers from UM, but I can share a patch that we wrote that we believe has increase sync throughput substantially, as evidenced by the lack of

Replication speeds?

2007-05-09 Thread Nik Conwell
What sort of rates are you all getting for replication? At 2.3.7 for a manual sync_client for a user, I'm seeing ~35MB/minute across a 100M net to a linux SW RAID 1 pair of U320 disks. Is this speed typical or abysmal? Disks appear to be holding me back: Device:rrqm/s wrqm/s r/s w/s