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From Gavin McDonald <gmcdon...@apache.org>
Subject Re: Number of build prozessors on Lucene node
Date Thu, 20 Aug 2015 09:15:17 GMT

> On 20 Aug 2015, at 9:17 am, Uwe Schindler <uschindler@apache.org> wrote:
> Hi,
> could someone please change back the number of "build processors" for the "lucene" Jenkins
node to 1? Currently it executes always 2 Jobs in parallel. The underlying server only has
4 cpu cores and the Lucene Job configuration is done in a way that it uses all available CPU
nodes, so running 2 builds in parallel on is in most cases not a good idea. There are in fact
some jobs, that don't require much CPU or are not multithreaded (like artifact builds), but
those are generally quick. The main tasks taking several hours to execute are very CPU intensive
- the reason why we have an own slave.
> Any information why this was changed? Unfortunately I don't have the power to configure
this correctly.

I changed it short term to help with backlog.
When I did this (2 days ago) there were 166 builds in the queue, over 30 of those were waiting
on the Lucene node.

Will change it back now.



> Uwe

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