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https://issues.apache.org/jira/browse/HBASE-7878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585037#comment-13585037
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Uma Maheswara Rao G commented on HBASE-7878:
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{quote}
It works if file is closed else we will be stuck forever because recovered flag
will be forever false – least, that is how I read it. Is that right Uma
Maheswara Rao G?
{quote}
Yes, you are right. Later once the file is closed, that API will return tru
after many retrails.
@Ted, when you verify this patch, what is the behaviour you are observing?
> recoverFileLease does not check return value of recoverLease
> ------------------------------------------------------------
>
> Key: HBASE-7878
> URL: https://issues.apache.org/jira/browse/HBASE-7878
> Project: HBase
> Issue Type: Bug
> Components: util
> Reporter: Eric Newton
> Assignee: Ted Yu
> Priority: Critical
> Fix For: 0.96.0, 0.94.6
>
> Attachments: 7878-trunk-v2.txt, 7878-trunk-v3.txt
>
>
> I think this is a problem, so I'm opening a ticket so an HBase person takes a
> look.
> Apache Accumulo has moved its write-ahead log to HDFS. I modeled the lease
> recovery for Accumulo after HBase's lease recovery. During testing, we
> experienced data loss. I found it is necessary to wait until recoverLease
> returns true to know that the file has been truly closed. In FSHDFSUtils,
> the return result of recoverLease is not checked. In the unit tests created
> to check lease recovery in HBASE-2645, the return result of recoverLease is
> always checked.
> I think FSHDFSUtils should be modified to check the return result, and wait
> until it returns true.
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