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https://issues.apache.org/jira/browse/HADOOP-8365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409766#comment-13409766
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Suresh Srinivas commented on HADOOP-8365:
-----------------------------------------
Comments:
# The check added into FSNamesystem.java also needs to be added to
DataNode.java, FSDataset.java, where earlier support for append was checked.
# Not sure why you are calling it *broken* sync. Can you remove broken from
variable and configuration name.
> Provide ability to disable working sync
> ---------------------------------------
>
> Key: HADOOP-8365
> URL: https://issues.apache.org/jira/browse/HADOOP-8365
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 1.1.0
> Reporter: Eli Collins
> Assignee: Eli Collins
> Priority: Blocker
> Attachments: hadoop-8365.txt
>
>
> Per HADOOP-8230 there's a request for a flag to disable the sync code paths
> that dfs.support.append used to enable. The sync method itself will still be
> available and have a broken implementation as that was the behavior before
> HADOOP-8230. This config flag should default to false as the primary
> motivation for HADOOP-8230 is so HBase works out-of-the-box with Hadoop 1.1.
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