FAQ
0.20 append: Block receiver should not log "rewind" packets at INFO level
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Key: HDFS-1211
URL: https://issues.apache.org/jira/browse/HDFS-1211
Project: Hadoop HDFS
Issue Type: Improvement
Components: data-node
Affects Versions: 0.20-append
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Minor
Fix For: 0.20-append


In the 0.20 append implementation, it logs an INFO level message for every packet that "rewinds" the end of the block file. This is really noisy for applications like HBase which sync every edit.

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  • dhruba borthakur (JIRA) at Jun 17, 2010 at 1:08 pm
    [ https://issues.apache.org/jira/browse/HDFS-1211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    dhruba borthakur resolved HDFS-1211.
    ------------------------------------

    Resolution: Fixed

    I just committed this. Thanks Todd!
    0.20 append: Block receiver should not log "rewind" packets at INFO level
    -------------------------------------------------------------------------

    Key: HDFS-1211
    URL: https://issues.apache.org/jira/browse/HDFS-1211
    Project: Hadoop HDFS
    Issue Type: Improvement
    Components: data-node
    Affects Versions: 0.20-append
    Reporter: Todd Lipcon
    Assignee: Todd Lipcon
    Priority: Minor
    Fix For: 0.20-append

    Attachments: hdfs-1211.txt


    In the 0.20 append implementation, it logs an INFO level message for every packet that "rewinds" the end of the block file. This is really noisy for applications like HBase which sync every edit.
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postedJun 16, '10 at 1:32a
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