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https://issues.apache.org/jira/browse/SOLR-1972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated SOLR-1972:
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Attachment: leak.patch
A possible patch to the leak (I cannot run solr tests *AT ALL* on my machine,
because it doesnt like my network configuration, sorry, someone else must test).
The root cause here is Metrics.newXXX. we should not use this, it enrolls
entries into a global static MetricsRegistry. So its better to make a throwaway
one.
I think we should still just revert this issue for now. Just explaining where
the leak comes from.
> Need additional query stats in admin interface - median, 95th and 99th
> percentile
> ---------------------------------------------------------------------------------
>
> Key: SOLR-1972
> URL: https://issues.apache.org/jira/browse/SOLR-1972
> Project: Solr
> Issue Type: Improvement
> Components: web gui
> Affects Versions: 1.4
> Reporter: Shawn Heisey
> Assignee: Alan Woodward
> Priority: Minor
> Fix For: 4.1, 5.0
>
> Attachments: elyograg-1972-3.2.patch, elyograg-1972-3.2.patch,
> elyograg-1972-trunk.patch, elyograg-1972-trunk.patch, leak.patch,
> SOLR-1972-branch3x-url_pattern.patch, SOLR-1972-branch4x.patch,
> SOLR-1972-branch4x.patch, SOLR-1972_metrics.patch, SOLR-1972_metrics.patch,
> SOLR-1972_metrics.patch, SOLR-1972_metrics.patch, SOLR-1972_metrics.patch,
> SOLR-1972_metrics.patch, SOLR-1972_metrics.patch, SOLR-1972_metrics.patch,
> solr1972-metricsregistry-branch4x-failure.log, SOLR-1972.patch,
> SOLR-1972.patch, SOLR-1972.patch, SOLR-1972.patch, SOLR-1972-url_pattern.patch
>
>
> I would like to see more detailed query statistics from the admin GUI. This
> is what you can get now:
> requests : 809
> errors : 0
> timeouts : 0
> totalTime : 70053
> avgTimePerRequest : 86.59209
> avgRequestsPerSecond : 0.8148785
> I'd like to see more data on the time per request - median, 95th percentile,
> 99th percentile, and any other statistical function that makes sense to
> include. In my environment, the first bunch of queries after startup tend to
> take several seconds each. I find that the average value tends to be useless
> until it has several thousand queries under its belt and the caches are
> thoroughly warmed. The statistical functions I have mentioned would quickly
> eliminate the influence of those initial slow queries.
> The system will have to store individual data about each query. I don't know
> if this is something Solr does already. It would be nice to have a
> configurable count of how many of the most recent data points are kept, to
> control the amount of memory the feature uses. The default value could be
> something like 1024 or 4096.
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