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From "Sean Busbey (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-2613) Take advantage of HDFS caching
Date Wed, 02 Apr 2014 16:35:15 GMT


Sean Busbey commented on ACCUMULO-2613:

That would be preferable, but couldn't a tablet server just recognize when it was adding a
!METADATA related entry to the WAL and then request that it be pinned?

> Take advantage of HDFS caching
> ------------------------------
>                 Key: ACCUMULO-2613
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Sean Busbey
>            Priority: Critical
>             Fix For: 1.7.0
> Hadoop 2.3.0 added [HDFS caching|].
> We should use this for small internal use tables (like !METADATA) and we should probably
have a configurable option to use it for tables, with a stern warning that it should only
be enabled on small tables that will be frequently used.

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