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https://issues.apache.org/jira/browse/HBASE-2234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839499#action_12839499
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ryan rawson commented on HBASE-2234:
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would it be necessary or possible to move this function to a static context:
+ private void rebindWriterFunc(SequenceFile.Writer writer) throws IOException
{
I guess since there is only one hlog instance per RS, maybe it's ok?
> Roll Hlog if any datanode in the write pipeline dies
> ----------------------------------------------------
>
> Key: HBASE-2234
> URL: https://issues.apache.org/jira/browse/HBASE-2234
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: dhruba borthakur
> Assignee: stack
> Fix For: 0.20.4, 0.21.0
>
> Attachments: HBASE-2234-20.4.patch
>
>
> HDFS does not replicate the last block of a file that is being written to.
> This means that is datanodes in the write pipeline die, then the data blocks
> in the transaction log would be experiencing reduced redundancy. It would be
> good if the region server can detect datanode-death in the write pipeline
> while writing to the transaction log and if this happens, close the current
> log an open a new one. This depends on HDFS-826
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