Andrew Gabriel wrote: > Ian Collins wrote: > >> Brent Jones wrote: >> >>> Theres been a couple threads about this now, tracked some bug ID's/ticket: >>> >>> 6333409 >>> 6418042 >>> >> I see these are fixed in build 102. >> >> Are they targeted to get back to Solaris 10 via a patch? >> >> If not, is it worth escalating the issue with support to get a patch? >> > > Given the issue described is slow zfs recv over network, I suspect this is: > > 6729347 Poor zfs receive performance across networks > > This is quite easily worked around by putting a buffering program > between the network and the zfs receive. There is a public domain > "mbuffer" which should work, although I haven't tried it as I wrote my > own. The buffer size you need is about 5 seconds worth of data. In my > case of 7200RPM disks (in a mirror and not striped) and a gigabit > ethernet link, the disks are the limiting factor at around 57MB/sec > sustained i/o, so I used a 250MB buffer to best effect. If I recall > correctly, that speeded up the zfs send/recv across the network by about > 3 times, and it then ran at the disk platter speed. > > Did this apply to incremental sends as well? I can live with ~20MB/sec for full sends, but ~1MB/sec for incremental sends is a killer.
-- Ian. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
