Hi,
we made a page on SOLR performance optimization, with 2 hints:
- the SOLR autocommit feature
- Query warmup
Both hints, and some helper scripts can be found at:
http://atmire.com/statistics_performance.php
Make sure to post when these things don't make a difference.
best regards,
Bram Luyten
@mire
Technologielaan 9 - 3001 Heverlee - Belgium
2888 Loker Avenue East, Suite 305 - Carlsbad, CA 92010 - USA
atmire.com - Institutional Repository Solutions
2011/1/24 Claudia Jürgen <claudia.juer...@ub.tu-dortmund.de>
>
> Hi all,
>
> we (1.6.0 jspui) noted similar behaviour, it takes a couple of minutes
> to fulfill the display statistics requests.
>
> The CPU load rises to ~ 100%. A second request will increase the load to
> ~ 200% ...
> Stopped requests will leave the cpu load at this high level.
> We do run solr.optimize as cron job, but this seems to make no difference.
>
> We have set the stats visibility to admin only, because they are not fit
> for end user consumption, so it is no pressing issue for us, but I'm
> curious about the reason for it.
>
> Claudia
>
> Am 24.01.2011 15:26, schrieb Timo Aalto:
> > Hi Mark,
> >
> > I don't have an answer for you but we may be encountering something
> similar
> > - clicking the statistics link makes DSpace wait for ages only to hand
> out
> > the following error:
> >
> > Proxy Error
> >
> > The proxy server received an invalid response from an upstream server.
> > The proxy server could not handle the request GET
> > /handle/10138/61/statistics.
> >
> > Reason: Error reading from remote server
> >
> > Is this similar to what you are getting? How big exactly is your solr
> index?
> > Ours is around 2.3G
> >
> > Also, we're not running Tomcat but a Jetty servlet container instead.
> >
> > 2011/1/24 Mark Melia<mark.me...@enovation.ie>
> >
> >> Hi all,
> >>
> >> We have a particularly large SOLR DB. This seems to be causing problems
> >> when users ask for a report as tomcat will timeout before the report can
> >> be rendered. Has anyone dealt with such performance issues with SOLR
> >> statistics. Does anyone have any strategies for dealing with it?
> >>
> >> Thanks,
> >> Mark
> >>
> >>
> >>
> ------------------------------------------------------------------------------
> >> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
> >> Finally, a world-class log management solution at an even better
> >> price-free!
> >> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
> >> February 28th, so secure your free ArcSight Logger TODAY!
> >> http://p.sf.net/sfu/arcsight-sfd2d
> >> _______________________________________________
> >> DSpace-tech mailing list
> >> DSpace-tech@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/dspace-tech
> >>
> >
> >
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> > Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
> > Finally, a world-class log management solution at an even better
> price-free!
> > Download using promo code Free_Logger_4_Dev2Dev. Offer expires
> > February 28th, so secure your free ArcSight Logger TODAY!
> > http://p.sf.net/sfu/arcsight-sfd2d
> >
> >
> >
> > _______________________________________________
> > DSpace-tech mailing list
> > DSpace-tech@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/dspace-tech
>
> --
> Claudia Juergen
> Universitaetsbibliothek Dortmund
> Eldorado
> 0231/755-4043
> https://eldorado.tu-dortmund.de/
>
>
> ------------------------------------------------------------------------------
> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
> Finally, a world-class log management solution at an even better
> price-free!
> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
> February 28th, so secure your free ArcSight Logger TODAY!
> http://p.sf.net/sfu/arcsight-sfd2d
> _______________________________________________
> DSpace-tech mailing list
> DSpace-tech@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/dspace-tech
>
------------------------------------------------------------------------------
Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
Finally, a world-class log management solution at an even better price-free!
Download using promo code Free_Logger_4_Dev2Dev. Offer expires
February 28th, so secure your free ArcSight Logger TODAY!
http://p.sf.net/sfu/arcsight-sfd2d
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