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https://issues.apache.org/jira/browse/HDFS-6870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707146#comment-16707146
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vishal.rajan commented on HDFS-6870:
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How can this be fixed, or can we remove inodes from namenode.
> Blocks and INodes could leak for Rename with overwrite flag
> -----------------------------------------------------------
>
> Key: HDFS-6870
> URL: https://issues.apache.org/jira/browse/HDFS-6870
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Yi Liu
> Assignee: Yi Liu
> Priority: Major
> Fix For: 2.6.0
>
> Attachments: HDFS-6870.001.patch
>
>
> Following code in FSDirectory#unprotectedRenameTo doesn't collect blocks and
> INodes for non snapshot path.
> {code}
> if (removedDst != null) {
> undoRemoveDst = false;
> if (removedNum > 0) {
> BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();
> List<INode> removedINodes = new ChunkedArrayList<INode>();
> filesDeleted = removedDst.cleanSubtree(Snapshot.CURRENT_STATE_ID,
> dstIIP.getLatestSnapshotId(), collectedBlocks, removedINodes,
> true).get(Quota.NAMESPACE);
> getFSNamesystem().removePathAndBlocks(src, collectedBlocks,
> removedINodes, false);
> }
> }
> {code}
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