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From "Otis Gospodnetic (JIRA)" <>
Subject [jira] [Commented] (SOLR-4053) metrics - add statistics on searcher/cache warming
Date Sat, 10 Nov 2012 06:01:14 GMT


Otis Gospodnetic commented on SOLR-4053:

Shawn, arent' warming times already in JMX?  I think they are because I know SPM for Solr
has nice pie charts and timeseries graphs with warmup timings broken down, and that must be
coming from JMX.

Or perhaps you want the percentiles in JMX?  If so, can't monitoring tools calculate that,
shouldn't that be their job?

> metrics - add statistics on searcher/cache warming
> --------------------------------------------------
>                 Key: SOLR-4053
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 5.0
>            Reporter: Shawn Heisey
>            Priority: Minor
>             Fix For: 4.1, 5.0
> 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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