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QSERV-L  September 2013

QSERV-L September 2013

Subject:

Re: testing on 300nodes.

From:

Jacek Becla <[log in to unmask]>

Reply-To:

General discussion for qserv (LSST prototype baseline catalog)

Date:

Fri, 20 Sep 2013 16:30:14 -0700

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (40 lines)

Douglas,

Thanks for the update. I'll try to massage the slides
to reflect the reality.

Jacek





On 09/20/2013 04:00 PM, Smith, Douglas A. wrote:
>
> Jacek -
>
> So, not sure what to say here.  But the instabilities of the 300node
> cluster this week, is making the testing just not go anywhere.  I can't
> get the cluster to remain stable over a full set of tests, so I can't get
> all the tests that you've asked for.  And a longer test, like of a
> 10x10deg. area of near neighbor query, doesn't really make sense,
> since I can't tell if the query is taking a long time or I am waiting
> for the workers that are hanging.
>
> Serge is now looking at the cluster, but it is late in the day on Friday
> here, and you wanted numbers.  I have numbers for test queries
> at 300nodes, but not at other number of nodes.
>
> Serge may come back to me here, and testing can go again, and
> you can have lots more numbers by Mon., but not sure what you
> might want us to do now?
>
> Douglas
>

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