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From "Shawn Heisey (JIRA)" <>
Subject [jira] [Commented] (SOLR-4053) metrics - add statistics on searcher/cache warming
Date Tue, 13 Nov 2012 04:17:13 GMT


Shawn Heisey commented on SOLR-4053:

We have four servers.  Each distributed index is seven total shards on two servers. Our query
volume is low enough that the only reason we have two copies of the index is so we can survive
a hardware failure.

> 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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