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https://issues.apache.org/jira/browse/HDFS-82?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-82.
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Resolution: Not A Problem
This has been resolved on trunk. We only have one set.
> recentInvalidateSets in FSNamesystem is not required
> -----------------------------------------------------
>
> Key: HDFS-82
> URL: https://issues.apache.org/jira/browse/HDFS-82
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Raghu Angadi
>
> See HADOOP-2576 for more background.
> When a file is deleted, blocks are first placed in recentInvalidateSets and
> then later computeDatanodeWork moves it to 'invalidateSet' for each datanode.
> I could not see why a block is placed in this intermediate set. I think it is
> confusing as well.. for example, -metasave prints blocks from only one list.
> Unless we read very carefully its not easy to figure out that there are two
> lists. My proposal is to keep only one of them.
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