[jira] [Resolved] (HBASE-4056) Support for using faster storage for write-ahead log

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ 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Incomplete here, superseded by other issues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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