I also needed to increase the memory available to tomcat after upgrading
from DSpace 3 to DSpace 4.
Since I increased the memory, the service has been stable.
Terry
On Wed, Apr 1, 2015 at 3:49 AM, Christian Scheible <
christian.schei...@uni-konstanz.de> wrote:
> Thanks for your quick reply. We will increase the heap size.
> The question just is if there is a known issue causing more memory to be
> used?
> Because it was fine before the upgrade.
>
> Best Regards
> Christian
>
>
> Am 01.04.2015 um 11:39 schrieb Hilton Gibson:
>
> Perhaps this will help:
> http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S05/Ubuntu-14.04#Java_environment_settings_used_for_SUNScholar
>
> Cheers
>
> hg
>
> *Hilton Gibson*
> Ubuntu Linux Systems Administrator
> JS Gericke Library
> Room 1025C
> Stellenbosch University
> Private Bag X5036
> Stellenbosch
> 7599
> South Africa
>
> Tel: +27 21 808 4100 | Cell: +27 84 646 4758
>
> On 1 April 2015 at 11:01, Christian Scheible <
> christian.schei...@uni-konstanz.de> wrote:
>
>> Hi guys,
>>
>> We are running a DSpace 5.1 instance with about 25000 items on Ubuntu
>> Server 14.04 with OpenJDK 1.7.0_75. We set Xmx to 2g so the JVM has 2
>> Gigabyte of RAM.
>> If I inspect the memory usage I see that there are about 1900 MiB in
>> use. So most of the memory is used.
>> This leads to OutOfMemoryErrors during nightly cron jobs like optimizing
>> Solr and sometimes during the day.
>>
>> Has anyone seen a similar behaviour and solved the problem?
>>
>> Additional facts:
>> - Was working fine on 4.1
>> - After tomcat restart about 500 MiB memory of the JVM used
>> - 5 Minutes later 1074 MiB used
>> - 10 Minutes later 1702 Mib used
>> - About 14000 publication with full text (indexed every night with the
>> PDF Extractor)
>> - About 11000 publications without full text
>> - xmlui, oai and solr activated
>> - Ubuntu Server 14.04.2
>> - Tomcat 7.0.52.0
>> - OpenJDK headless 1.7.0_75
>> - Solr: authority core=empty, oai core=114,47 MB, search core=3.57 GB,
>> statistics core=387.82
>> - JVM 2GB
>> - System 4GB
>>
>> Any ideas? Help would be very appreciated
>>
>> --
>> Christian Scheible
>> Softwareentwickler / Abt. Content-basierte Dienste
>> Kommunikations-, Informations- und Medienzentrum (KIM)
>> Universität Konstanz
>> 78457 Konstanz
>> +49 (0)7531 / 88-2857
>> Raum B 703
>>
>>
>>
>> ------------------------------------------------------------------------------
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>
>
>
>
> --
> Christian Scheible
> Softwareentwickler / Abt. Content-basierte Dienste
> Kommunikations-, Informations- und Medienzentrum (KIM)
> Universität Konstanz
> 78457 Konstanz+49 (0)7531 / 88-2857
> Raum B 703
>
>
>
> ------------------------------------------------------------------------------
> Dive into the World of Parallel Programming The Go Parallel Website,
> sponsored
> by Intel and developed in partnership with Slashdot Media, is your hub for
> all
> things parallel software development, from weekly thought leadership blogs
> to
> news, videos, case studies, tutorials and more. Take a look and join the
> conversation now. http://goparallel.sourceforge.net/
> _______________________________________________
> DSpace-tech mailing list
> DSpace-tech@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/dspace-tech
> List Etiquette:
> https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
>
--
Terry Brady
Applications Programmer Analyst
Georgetown University Library Information Technology
https://www.library.georgetown.edu/lit/code
425-298-5498 (Seattle, WA)
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