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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2695) recentInvalidateSets in FSNamesystem is not required
Date Thu, 24 Jan 2008 01:46:43 GMT
recentInvalidateSets in FSNamesystem is not required 
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                 Key: HADOOP-2695
                 URL: https://issues.apache.org/jira/browse/HADOOP-2695
             Project: Hadoop Core
          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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