[Swift-devel] persistent coasters on OSG
Mihael Hategan
hategan at mcs.anl.gov
Tue Aug 23 14:15:03 CDT 2011
It looks like workers on nemo are somehow messed up. Can you find out
why?
On Mon, 2011-08-22 at 13:45 -0500, Ketan Maheshwari wrote:
> Hi Mihael, All,
>
>
> I am trying to test the persistent coasters setup with OSG sites from
> communicado and see some intermittent exceptions/ jobs failed errors
> which eventually succeed on retries.
>
>
> The exceptions I see from the log are mostly low-level network
> exceptions: (Channel Exceptions, Broken Pipe SocketExceptions,
> Timeout, etc.).
>
>
> The runs that I tried were incremental catsn runs with n=1,10,50 and
> 100 and data.txt=100MB and 200MB.
>
>
> The only run that had the above mentioned errors were the ones with
> n=100 and data.txt=200MB.
>
>
> The other runs completed without any errors.
>
>
> I used just one OSG site for these runs.
>
>
> Attaching the sites, log files and a file that contains exception
> messages grepped from log files.
>
>
> Any clues as to harden this, I had about 5 errors on today's run and
> about 11 on a similar run last week.
>
>
>
>
> Regards,
> --
> Ketan
>
>
>
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