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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12848) Utilize Flash storage for WAL
Date Thu, 15 Jan 2015 18:45:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279085#comment-14279085
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Hudson commented on HBASE-12848:
--------------------------------

FAILURE: Integrated in HBase-1.1 #84 (See [https://builds.apache.org/job/HBase-1.1/84/])
HBASE-12848 Utilize Flash storage for WAL (tedyu: rev 2e08bb3b47b65ebbd1ac1101d0b9fbbf10fda92b)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java


> Utilize Flash storage for WAL
> -----------------------------
>
>                 Key: HBASE-12848
>                 URL: https://issues.apache.org/jira/browse/HBASE-12848
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: 12848-v1.patch, 12848-v2.patch, 12848-v3.patch, 12848-v4.patch,
12848-v4.patch
>
>
> 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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