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From "Gregg Donovan (JIRA)" <>
Subject [jira] [Updated] (SOLR-5637) Per-request cache statistics
Date Mon, 28 Apr 2014 16:34:20 GMT


Gregg Donovan updated SOLR-5637:

    Attachment: SOLR-5637.patch

> Per-request cache statistics
> ----------------------------
>                 Key: SOLR-5637
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Shikhar Bhushan
>            Priority: Minor
>         Attachments: SOLR-5367.patch, SOLR-5367.patch, SOLR-5637.patch, SOLR-5637.patch
> We have found it very useful to have information on the number of cache hits and misses
for key Solr caches (filterCache, documentCache, etc.) at the request level.
> This is currently implemented in our codebase using custom {{SolrCache}} implementations.
> I am working on moving to maintaining stats in the {{SolrRequestInfo}} thread-local,
and adding hooks in get() methods of SolrCache implementations. This will be glued up using
the {{DebugComponent}} and can be requested using a "debug.cache" parameter.

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