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https://issues.apache.org/jira/browse/HDFS-5704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13872047#comment-13872047
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Hudson commented on HDFS-5704:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #1645 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1645/])
HDFS-5704. Change OP_UPDATE_BLOCKS with a new OP_ADD_BLOCK. Contributed by Jing
Zhao. (jing9:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1558255)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOpCodes.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppendRestart.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAddBlock.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored.xml
> Change OP_UPDATE_BLOCKS with a new OP_ADD_BLOCK
> ------------------------------------------------
>
> Key: HDFS-5704
> URL: https://issues.apache.org/jira/browse/HDFS-5704
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Suresh Srinivas
> Assignee: Jing Zhao
> Attachments: HDFS-5704-branch2.patch, HDFS-5704.000.patch,
> HDFS-5704.001.patch, HDFS-5704.002.patch, HDFS-5704.003.patch, editsStored,
> editsStored
>
>
> Currently every time a block a allocated, the entire list of blocks are
> written in the editlog in OP_UPDATE_BLOCKS operation. This has n^2 growth
> issue. The total size of editlog records for a file with large number of
> blocks could be huge.
> The goal of this jira is discuss adding a different editlog record that only
> records allocation of block and not the entire block list, on every block
> allocation.
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