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From "Brandon Li (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1623) High Availability Framework for HDFS NN
Date Thu, 16 Feb 2012 00:51:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209027#comment-13209027

Brandon Li commented on HDFS-1623:

I just ran some benchmark(TestDFSIO) tests on Yahoo cluster for HA branch and trunk. The following
is the configuration and initial test results.

h3. Test configuration

# 5 nodes in total: 2 namenodes(non-HA config uses just one) and 3 datanodes.
# The edits log is NFS mounted for both HA and non HA setup
# TestDFSIO is started on one datanode. Resource manager and nodemanager are also on the same
h3. Using TestDFSIO write/read 10 files with filesize as 1MB:

||HA (w/r  mb/sec)||trunk (w/r mb/sec)||

h3. Using TestDFSIO write/read 10 files with filesize as 1000MB:

||HA (w/r  mb/sec)||trunk (w/r mb/sec)|
> High Availability Framework for HDFS NN
> ---------------------------------------
>                 Key: HDFS-1623
>                 URL: https://issues.apache.org/jira/browse/HDFS-1623
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: HA-tests.pdf, HDFS-High-Availability.pdf, NameNode HA_v2.pdf, NameNode
HA_v2_1.pdf, Namenode HA Framework.pdf, ha-testplan.pdf, ha-testplan.tex

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