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From "Hari Mankude (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4873) callGetBlockLocations returns incorrect number of blocks for snapshotted files
Date Mon, 03 Jun 2013 21:04:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673558#comment-13673558
] 

Hari Mankude commented on HDFS-4873:
------------------------------------

The sequence of operations for creating the problem

1. create a file of size one block
2. take a snapshot
3. append some data to this file.
4. use DfsClient.callGetBlockLocations() to get block locations of the snapshot version of
the file. The file len is specified as Long.MAX_VALUE.
5. This call returns two LocatedBlocks for the snapshot version of the file instead of one
block.
                
> callGetBlockLocations returns incorrect number of blocks for snapshotted files
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-4873
>                 URL: https://issues.apache.org/jira/browse/HDFS-4873
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 3.0.0
>            Reporter: Hari Mankude
>            Assignee: Jing Zhao
>
> callGetBlockLocations() returns all the blocks of a file even when they are not present
in the snap version

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