Re: [BackupPC-users] BackupPC File::RsyncP issues
2009-08-19 06:06:54
Hi Jim,
On Tue, Aug 18, 2009 at 07:45:57PM -0500, Jim Leonard wrote:
> > first of all, where are you seeing these figures, and what are you
> > measuring?
>
> Rather than try to convince you of my competence, I will offer up these
> benchmarks for the exact same endpoint machines and file (a 2 gigabyte
> uncompressable *.avi file that did NOT exist on the target):
>
> Unix rsync->Unix rsync: 60MB/s
> Windows SMB->Unix smbclient: 65MB/s
> Windows rsyncd->Unix rsync: 5MB/s
> Windows rsyncd->BackupPC_dump: 5MB/s
>
> As you can see, something is now clearly wrong with the windows rsyncd
> source. I confirmed this by profiling actual rsync in Unix and saw that
> 77% of its time was spent waiting for data (which mirrors exactly what
> File::RsyncP::pollsys was doing, wasting 77% of its time waiting for
> data). So the problem isn't BackupPC, it's windows rsyncd.
I would take a look at a network traffic dump - maybe something is bad
there? More suspects: Windows firewall, some other firewall inbeteween?
Did you try Windows rsyncd -> Windows rsync (to rule out some strange
Linux vs. Windows network stack issue)?
Bye,
Tino.
--
"What we nourish flourishes." - "Was wir nähren erblüht."
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