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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2016/03/16 16:30:33 UTC

[jira] [Updated] (SOLR-8856) Do not cache merge or read once contexts in the hdfs block cache.

     [ https://issues.apache.org/jira/browse/SOLR-8856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller updated SOLR-8856:
------------------------------
    Summary: Do not cache merge or read once contexts in the hdfs block cache.  (was: Do not cache merges in the hdfs block cache.)

> Do not cache merge or read once contexts in the hdfs block cache.
> -----------------------------------------------------------------
>
>                 Key: SOLR-8856
>                 URL: https://issues.apache.org/jira/browse/SOLR-8856
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>
> Generally the block cache will not be large enough to contain the whole index and merges can thrash the cache for queries. Even if we still look in the cache, we should not populate it.



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