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https://issues.apache.org/jira/browse/HBASE-12848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279053#comment-14279053
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Hudson commented on HBASE-12848:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #6029 (See
[https://builds.apache.org/job/HBase-TRUNK/6029/])
HBASE-12848 Utilize Flash storage for WAL (tedyu: rev
eafc07a06d03c00e17bd476fa2b84ba7c8924b1e)
*
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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