Some info regarding this topic is also available here:
http://atmire.com/statistics_performance.php
Not sure how much overlap there is with the wiki materials.
best regards,
Bram Luyten
@mire
Technologielaan 9 - Heverlee 3001 - Belgium
2888 Loker Avenue East, Suite 305 - Carlsbad, CA 92010 - USA
atmire.com - Institutional Repository Solutions
On Wed, Dec 15, 2010 at 8:19 PM, George Stanley Kozak <g...@cornell.edu>wrote:
> Thank you, Jason. I will take a look at those wiki suggestions.
>
>
>
> George Kozak
>
> Digital Library Specialist
>
> Cornell University Library Information Technologies (CUL-IT)
>
> 501 Olin Library
>
> Cornell University
>
> Ithaca, NY 14853
>
> 607-255-8924
>
>
>
> *From:* Jason Stirnaman [mailto:jstirna...@kumc.edu]
> *Sent:* Wednesday, December 15, 2010 2:01 PM
> *To:* dspace-tech@lists.sourceforge.net
>
> *Subject:* Re: [Dspace-tech] Problem with SOLR Statistics
>
>
>
> This is a frequent problem with Solr. Like Peter says, you may need to
> learn a bit about tuning Solr in your environment and slowing down your
> commits. You may also want to allocate more RAM to Solr if possible. See
> the Solr wiki
>
> *
> http://wiki.apache.org/solr/FAQ#What_does_.22exceeded_limit_of_maxWarmingSearchers.3DX.22_mean.3F
> *
>
>
>
>
> Jason Stirnaman
> Biomedical Librarian, Digital Projects
> A.R. Dykes Library, University of Kansas Medical Center
> jstirna...@kumc.edu
> 913-588-7319
>
>
> >>> On 12/15/2010 at 12:52 PM, in message <
> aanlktim85acvqyxxkk6lwzbsozakxqxyys0qxfrnz...@mail.gmail.com>, Peter Dietz
> <dietz...@osu.edu> wrote:
>
> Hi George,
>
>
>
> This has come up on the
> lists<http://www.mail-archive.com/dspace-tech@lists.sourceforge.net/msg10744.html>,
> the default setting that was shipped 1.6 with wasn't ideal as it had a
> tendency to bog down the system under medium usage. This has been fixed in
> 1.7, but in the meantime, there are some steps you can do to fix your
> system.
>
>
>
> Switch to use SOLR autoCommit. Which writes data to solr once per 10
> minutes, as opposed to a new write after every millisecond there is
> activity.
>
> http://atmire.com/statistics_performance
>
>
>
> Solr optimize. Run daily maintenance on your solr index so that it remains
> performant.
>
> https://jira.duraspace.org/browse/DS-615
>
>
>
> --
> Peter Dietz
> Systems Developer/Engineer
> Ohio State University Libraries
>
>
> On Wed, Dec 15, 2010 at 6:22 AM, George Stanley Kozak <g...@cornell.edu
> > wrote:
>
> Hi...
>
> I was made aware of a problem with the SOLR stats. If someone clicks on the
> View Statistics button for an item, they cannot get to the statistics. The
> Browser just hangs.
>
> In the logs I see:
>
> ERROR org.dspace.statistics.SolrLogger @ Error opening new searcher.
> exceeded limit of maxWarmingSearchers=2, try again later.
>
> Error opening new searcher. exceeded limit of maxWarmingSearchers=2, try
> again later.
>
> Has anyone else seen this and does anyone have any suggestions?
>
> For the time being, I have limited the stats to the Admins.
>
> George Kozak
> Digital Library Specialist
> Division of Library Information Technologies (DLIT)
> 501 Olin Library
> Cornell University
> Ithaca, NY 14853
> 607-255-8924
>
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