erik.ableson writes:
> Comments in line.
>
> On 7 juil. 09, at 19:36, Dai Ngo wrote:
>
> > Without any tuning, the default TCP window size and send buffer size
> > for NFS
> > connections is around 48KB which is not very optimal for bulk
> > transfer. However
> > the 1.4MB/s write
Comments in line.
On 7 juil. 09, at 19:36, Dai Ngo wrote:
Without any tuning, the default TCP window size and send buffer size
for NFS
connections is around 48KB which is not very optimal for bulk
transfer. However
the 1.4MB/s write seems to indicate something else is seriously wrong.
My
Without any tuning, the default TCP window size and send buffer size for NFS
connections is around 48KB which is not very optimal for bulk transfer.
However
the 1.4MB/s write seems to indicate something else is seriously wrong.
iSCSI performance was good, so the network connection seems to be O
interesting; but presumably the ZIL/fsflush is not the reason for the
associated poor *read* performance?
where does latencytop point the finger in that case?
cheers,
calum.
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