Hi, I think that in this case the cpu is not the bottleneck, since i'm not using ssh. However my 1gb network link probably is the bottleneck.
Bruno On 26-3-2010 9:25, Erik Ableson wrote: > > On 25 mars 2010, at 22:00, Bruno Sousa <bso...@epinfante.com> wrote: > >> Hi, >> >> Indeed the 3 disks per vdev (raidz2) seems a bad idea...but it's the >> system i have now. >> Regarding the performance...let's assume that a bonnie++ benchmark >> could go to 200 mg/s in. The possibility of getting the same values >> (or near) in a zfs send / zfs receive is just a matter of putting , >> let's say a 10gbE card between both systems? >> I have the impression that benchmarks are always synthetic, therefore >> live/production environments behave quite differently. >> Again, it might be just me, but with 1gb link being able to replicate >> 2 servers with a average speed above 60 mb/s does seems quite good. >> However, like i said i would like to know other results from other >> guys... > > Don't forget to factor in your transport mechanism. If you're using > ssh to pipe the send/recv data your overall speed may end up being CPU > bound since I think that ssh will be single threaded so even on a > multicore system, you'll only be able to consume one core and here raw > clock speed will make difference. > > Cheers, > > Erik >
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