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https://issues.apache.org/jira/browse/HDFS-4298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13667105#comment-13667105
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Suresh Srinivas commented on HDFS-4298:
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CHANGES.txt in branch-2 is missing this jira. I have added it.
> StorageRetentionManager spews warnings when used with QJM
> ---------------------------------------------------------
>
> Key: HDFS-4298
> URL: https://issues.apache.org/jira/browse/HDFS-4298
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Todd Lipcon
> Assignee: Aaron T. Myers
> Fix For: 2.0.5-beta
>
> Attachments: HDFS-4298.patch, HDFS-4298.patch, HDFS-4298.patch
>
>
> When the NN is configured with a QJM, we see the following warning message
> every time a checkpoint is made or uploaded:
> 12/12/10 16:07:52 WARN namenode.FSEditLog: Unable to determine input streams
> from QJM to [127.0.0.1:13001, 127.0.0.1:13002, 127.0.0.1:13003]. Skipping.
> org.apache.hadoop.hdfs.qjournal.client.QuorumException: Got too many
> exceptions to achieve quorum size 2/3. 3 exceptions thrown:
> 127.0.0.1:13002: Asked for firstTxId 114837 which is in the middle of file
> /tmp/jn-2/myjournal/current/edits_0000000000000095185-0000000000000114846
> ...
> This is because, since HDFS-2946, the NN calls {{selectInputStreams}} to
> determine the number of log segments and put a cap on the number. This API
> throws an exception in the case of QJM if the argument falls in the middle of
> an edit log boundary.
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