On 3/3/2011 6:52 AM, Fabio Napoleoni - ZENIT wrote:
>
> JobId 7: Spooling data ...
> JobId 7: Job write elapsed time = 00:13:07, Transfer rate = 1.295 M 
> Bytes/second
> JobId 7: Committing spooled data to Volume "FullVolume-0004". Despooling 
> 1,021,072,888 bytes ...
> JobId 7: Despooling elapsed time = 00:02:19, Transfer rate = 7.345 M 
> Bytes/second
> JobId 7: Sending spooled attrs to the Director. Despooling 6,816,214 bytes ...
>
> There is only a little improvement of performances.
>
> So I'm asking you what is the transfer rate in your jobs? These rates are 
> normal or are they slow compared to yours?
>
> Thanks.
>
> --
> Fabio Napoleoni - ZENIT
> fabio AT zenit DOT org
>
Given your environment, the despool rate is probably about what you 
would expect.  On the other hand, the job write rate is really quite 
low--assuming this was a full job when it was the only job running.  If 
you are using compression, then that can explain a lot.  Also, I don't 
think you mentioned whether the job was on a remote client or not--if it 
was, then 8-10Mbytes/sec would be about the most you could expect on a 
100Mbit switched network.  When I run only a single job at a time, I'm 
able to spool the local client at 50Mbytes/sec or more, and remote 
clients spool at ~20-30Mbytes/sec (usually running 2-3 at once on a 
gigabit network)--but I don't use compression or encryption.

Is the server fairly busy with other stuff, or is the server machine 
underpowered?

Look at spooling attributes even if you don't spool data, that may 
help.  Turn off compression (if you use it), or lower the level, unless 
you need it (with disk storage, you may want to have it).  For a 100Mbit 
network, remote clients are never going to be fast enough to drive 
multiple spindles of spool (i.e. some kind of RAID), but you should be 
able to do quite a bit better than what you are seeing (unless you need 
compression).

-se

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