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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12848) Utilize Flash storage for WAL
Date Tue, 13 Jan 2015 17:38:34 GMT
Ted Yu created HBASE-12848:

             Summary: Utilize Flash storage for WAL
                 Key: HBASE-12848
                 URL: https://issues.apache.org/jira/browse/HBASE-12848
             Project: HBase
          Issue Type: Improvement
            Reporter: Ted Yu
            Assignee: Ted Yu

One way to improve data ingestion rate is to make use of Flash storage.
HDFS is doing the heavy lifting - see HDFS-7228.

We assume an environment where:
1. Some servers have a mix of flash, e.g. 2 flash drives and 4 traditional drives.
2. Some servers have all traditional storage.
3. RegionServers are deployed on both profiles within one HBase cluster.

This JIRA allows WAL to be managed on flash in a mixed-profile environment.

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