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https://issues.apache.org/jira/browse/SOLR-1972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13483277#comment-13483277
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Shawn Heisey commented on SOLR-1972:
------------------------------------
I wanted to double-check that the new test would fail with the old constructor,
so I installed your new patch and removed this.toString() from the parameter
list on those statements.
The updated RequestHandlerTests didn't fail like I'd hoped. I suspect that's
because the terms handler and the update handler are different classes, so
this.getClass() was apparently different. Before the fix, I did have different
statistics in the update handler versus the search handlers. It was only
handlers of the same type that were the same -- my four search handlers.
I did however get a rather spectacular (and repeatable) failure in
MBeansHandlerTest. That failure went away when I restored the constructor to
the current patch state. When I make it into the office, I will do some
additional testing to make sure I did everything right.
> 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
>
> Attachments: elyograg-1972-3.2.patch, elyograg-1972-3.2.patch,
> elyograg-1972-trunk.patch, elyograg-1972-trunk.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.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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