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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-571) LRUCache autowarmCount should support percentages
Date Tue, 20 Apr 2010 09:40:48 GMT

    [ https://issues.apache.org/jira/browse/SOLR-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12858778#action_12858778
] 

Noble Paul commented on SOLR-571:
---------------------------------

if someone has a large number of unique queries, will it not take too  long to commit.

> LRUCache autowarmCount should support percentages
> -------------------------------------------------
>
>                 Key: SOLR-571
>                 URL: https://issues.apache.org/jira/browse/SOLR-571
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Hoss Man
>
> a recent thread reminded me of an old idea that never got implemented...
> the autowarmCount for LRUCaches should support "percentages" which get evaluated relative
the current size of the cache when warming happens.  
> in this way, a Solr instance might be configured with autowarmCount="50%" to autowarm
the top half of the queries ... a master machine might be configured this way to give some
autowarming if it is inadvertently being queried, but things won't be maintained in the caches
in perpetuity ... each subsequent cache instance would have fewer and fewer of the "old" queries
warmed automatically.

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