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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5332) Make support for file append API configurable
Date Thu, 05 Mar 2009 21:43:56 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679382#action_12679382
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-5332:
------------------------------------------------

Dhruba, as [Rob mentioned before|https://issues.apache.org/jira/browse/HADOOP-5332?focusedCommentId=12678954#action_12678954],
the default value in src/c++/libhdfs/tests/conf/hdfs-site.xml is set to be true but the description
saying that it should be false.  Which one is correct?
{noformat}
+  <name>dfs.support.append</name>
+  <value>true</value>
+  <description>Does HDFS allow appends to files?
+               This is currently set to false because there are bugs in the
+               "append code" and is not supported in any prodction cluster.
+  </description>
{noformat}

> Make support for file append API configurable
> ---------------------------------------------
>
>                 Key: HADOOP-5332
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5332
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Nigel Daley
>            Assignee: dhruba borthakur
>            Priority: Blocker
>             Fix For: 0.19.2, 0.20.0
>
>         Attachments: disableAppend_0.19.patch, disableAppend_0.19.patch, disableAppendTrunk.patch,
disableAppendTrunk.patch, disableAppendTrunk.patch, disableAppendTrunk.patch, disableAppendTrunk.patch
>
>
> FSNamesystem already has a private dfs.support.append config option.  Make this public
in src/hdfs/hdfs-default.xml and set the default to false.  

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