[jira] [Commented] (SOLR-4053) metrics - add statistics on searcher/cache warming

["Shawn Heisey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636746#comment-13636746 ] 

Shawn Heisey commented on SOLR-4053:
------------------------------------

[~romseygeek] has filed SOLR-4735 to update the metrics reporting.  I am wondering whether this issue makes sense.  I use the percentile information for QTime often, and having a historical view of warming times without setting up a complete separate monitoring solution would be VERY useful.

                
> metrics - add statistics on searcher/cache warming
> --------------------------------------------------
>
>                 Key: SOLR-4053
>                 URL: https://issues.apache.org/jira/browse/SOLR-4053
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 5.0
>            Reporter: Shawn Heisey
>            Priority: Minor
>             Fix For: 4.3
>
>
> One stat that I rely on is the amount of time that it takes to warm caches and an entire searcher, but unless you turn on INFO logging and write something to parse the logs, you can only see how long the last commit took to warm.  I propose that we use the new metrics capability added in SOLR-1972 to give us visibility into historical cache/searcher warming times.
> If I find some time in the near future, I will take a stab at creating a patch, but if someone else has an idea and time, don't wait around for me.

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