Nicolas,

How many ingest threads are you running (and on what environment)?

Do you have a test harness (e.g. JMeter) you can share that replicates the 
issue?

-Eddie

On Aug 22, 2012, at 5:56 PM, Nicolas Hervé <nhe...@ina.fr> wrote:

> Hi,
> 
> I'm running a 3.5 instance and use the Java fedora client library to access 
> it. I'm doing massive parallel operations to manipulate huge amount of 
> objects. I've writen a multi-threaded application that is able to ingest and 
> purge.
> 
> When purging, I have all the CPU on my server that are running, that's fine. 
> But when ingesting, only 20% of them are used and I don't undestand where the 
> bottleneck is. I've modified the Tomcat connector to allow massive parallel 
> connections. I've done the same for MySQL. I've desactivated DC fields 
> indexing and Resource indexing. By the way, as it's working fine when 
> purging, I suspect a problem in the ingestion process rather than a "maximum 
> number of connections" configuration issue. Finally, I don't have I/O wait, 
> so the HDD shouldn't be the problem either.
> 
> Any clue on what is happening ?
> 
> Thanks
> 
> Nicolas


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