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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-4056) Support for using faster storage for write-ahead log
Date Sat, 11 Apr 2015 00:47:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrew Purtell resolved HBASE-4056.
    Resolution: Incomplete

Incomplete here, superseded by other issues

> Support for using faster storage for write-ahead log
> ----------------------------------------------------
>                 Key: HBASE-4056
>                 URL: https://issues.apache.org/jira/browse/HBASE-4056
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Praveen Kumar
>            Priority: Minor
>              Labels: features
> On clusters with heterogeneous storage components like hard drives and flash memory,
it could be beneficial to use flash memory for write-ahead log. This can be accomplished by
using client side mount table support (HADOOP-7257) that is offered by HDFS federation (HDFS-1052)
feature. One can define two HDFS namespaces (faster and slower), and configure HBase to use
faster storage namespace for storing WAL.
> This is an abstract task that captures the idea. More brainstorming and subtasks identification
to follow.

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