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https://issues.apache.org/jira/browse/HDFS-4645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13705101#comment-13705101
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Hudson commented on HDFS-4645:
------------------------------
Integrated in Hadoop-trunk-Commit #4062 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4062/])
In CHANGES.txt, move HDFS-4908 and HDFS-4645 to 2.1.0-beta. (Revision
1502009)
Result = SUCCESS
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1502009
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Move from randomly generated block ID to sequentially generated block ID
> ------------------------------------------------------------------------
>
> Key: HDFS-4645
> URL: https://issues.apache.org/jira/browse/HDFS-4645
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Suresh Srinivas
> Assignee: Arpit Agarwal
> Fix For: 2.1.0-beta
>
> Attachments: editsStored, HDFS-4645.001.patch, HDFS-4645.002.patch,
> HDFS-4645.003.patch, HDFS-4645.004.patch, HDFS-4645.005.patch,
> HDFS-4645.006.patch, HDFS-4645.branch-2.patch, SequentialblockIDallocation.pdf
>
>
> Currently block IDs are randomly generated. This means there is no pattern to
> block ID generation and no guarantees such as uniqueness of block ID for the
> life time of the system can be made. I propose using SequentialNumber for
> block ID generation.
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