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https://issues.apache.org/jira/browse/HDFS-17741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17930319#comment-17930319
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ASF GitHub Bot commented on HDFS-17741:
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LiuGuH opened a new pull request, #7432:
URL: https://github.com/apache/hadoop/pull/7432
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### Description of PR
[HDFS-17741](https://issues.apache.org/jira/browse/HDFS-17741)
When create a file with overwrite, the old blocks will not delete
immediately because these blocks not add into MarkedDeleteQueue.
This will have two consequences
（1）The block will delete when datanode block report comes.
(2) If the block is in the PendingReconstructionBlocks, it will be
timeouted after 300s.
### How was this patch tested?
Add a test case.
> The old blocks should be added into MarkedDeleteQueue when create a file with
> overwrite
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-17741
> URL: https://issues.apache.org/jira/browse/HDFS-17741
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: liuguanghua
> Priority: Major
>
> When create a file with overwrite, the old blocks will not delete immediately
> because these blocks not add into MarkedDeleteQueue.
> This will have two consequences
> （1）The block will delete when datanode block report comes.
> (2) If the block is in the PendingReconstructionBlocks, it will be
> timeouted after 300s.
>
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