[Stgt-devel] A curious observation with iSCSI and SCSI tgt ...

Eli Dorfman dorfman.eli
Sun Jul 27 10:41:48 CEST 2008


> While it wont explain the drop from 55-44Mbyte/second
> I think ~50MByte/second is pretty good considering such a latency-bound
> test such as single threaded dd writing one 1024byte block at a time.
>
> I would either run dd with a much much larger blocksize, or with many
> concurrent dd in parallell
> in order to reduce the cost-per-byte-in-latency to get throughput
> numbers instead of latency-bound numbers.

you can also run sgp_dd which uses POSIX thread (up to 16).



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