On 31 March 2015 at 16:52, Peter Dietz <pe...@longsight.com> wrote:
> Hi Sean,
>
> DSpace blocks until it can store the usage event (i.e. download,
> collection-page view) before completing the action, i.e. serving a file.
> So, if you are using SOLR or Elastic Search, the first time after a tomcat
> restart, it has to wait until that service is ready. In your case, this is
> likely a new-for-DSpace-5 feature, of Google Analytics Statistics, as
> opposed to normal Google-Analytics-Tracker-Code that was asynchronous ajax
> in XMLUI/JSPUI html.
>
> I would check config/xmlui.xconf, having this commented out, should be
> your best way to avoid this slowdown (but GA won't track that statistics).
> https://github.com/DSpace/DSpace/blob/master/dspace/config/xmlui.xconf#L103
> <!-- Additionally you may choose to expose your Google Analytics
> statistics in DSpace -->
> <!-- <aspect name="StatisticsGoogleAnalytics"
> path="resource://aspects/StatisticsGoogleAnalytics/" /> -->
>
That is commented out. Actually, it is even for the server that is supposed
to be using GA. Should it be uncommented for that server?
Lastly, ideally, DSpace shouldn't block the action, to store some metrics.
> Maybe the developers can revisit this, to ensure some background thread
> performs this.
>
I agree. Let's hope they do too.
> When I completely turn off statistics, DSpace is a much faster work horse,
> with too many turned on, or if they're misconfigured, then slow downs are
> more normal. Also, another thing to think about is log analysis. In your
> case, these Network unreachable / network timeouts could be noticed in the
> logs, for you to pay attention to. i.e. having a smart log analysis tool
> detecting trends.
>
That definitely is something for me to work on. Thanks, Peter.
By the way, everything seems to be working today, so I think the problem
was to do with network issues that are hopefully resolved now.
Sean
--
------------------------------------------------------------------------------
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
