[stgt] Performance Issue
gabriele.mailing at rvmgroup.it
Wed Dec 7 23:40:13 CET 2011
> Unlike scp, the virtual tape code calls fsync with every write to make
> sure that the data is written to disk.
20Mb/s is not so bad.
Unfortunately, with another machine which is amd64, and has times
horsepower than the i386 one, i could not go better than 2Mb/s, copmared
with an scp of 90Mb/s !
Empirically, I can see the hdd light of the iscsi client machine
flashing, and the hdd led of the tgtd amd64 machine that is constantly on.
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