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https://issues.apache.org/jira/browse/HDFS-11915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B reassigned HDFS-11915:
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Assignee: Vinayakumar B
> Sync rbw dir on the first hsync() to avoid file lost on power failure
> ---------------------------------------------------------------------
>
> Key: HDFS-11915
> URL: https://issues.apache.org/jira/browse/HDFS-11915
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kanaka Kumar Avvaru
> Assignee: Vinayakumar B
> Priority: Critical
>
> As discussed in HDFS-5042, there is a chance to loose blocks on power failure
> if rbw file creation entry is not yet sync to device. Then the block created
> is nowhere exists on disk. Neither in rbw nor in finalized.
> As suggested by [~kihwal], will discuss and track it in this JIRA.
> As suggested by [~vinayrpet], May be first hsync() request on block file can
> call fsync on its parent directory (rbw) directory.
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