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https://issues.apache.org/jira/browse/HDFS-17126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17747571#comment-17747571
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farmmamba commented on HDFS-17126:
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[~hexiaoqiao] [~ayushsaxena] [~tomscut] [~zhangshuyan] Sir, could you please
give me some advise here? Thanks a lot.
> FsDataSetImpl#checkAndUpdate should delete duplicated block meta file.
> ----------------------------------------------------------------------
>
> Key: HDFS-17126
> URL: https://issues.apache.org/jira/browse/HDFS-17126
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.4.0
> Reporter: farmmamba
> Priority: Major
>
> Think about below case :
> We have one datanode called dn1, it has two storages call ds1 and ds2
> respectively.
> Suppose we have blk_123 and blk_123_1001.meta in ds1 and blk_123_1001.meta in
> ds2.
> The current logic will not handle the file blk_123_1001.meta in ds2 and only
> prints logs to tell us DirectoryScanner scan missing block files.
> I think we should do something here.
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