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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7864) Erasure Coding: Update safemode calculation for striped blocks
Date Wed, 30 Sep 2015 19:39:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938674#comment-14938674
] 

Hudson commented on HDFS-7864:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #465 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/465/])
HDFS-7864. Erasure Coding: Update safemode calculation for striped (zhezhang: rev 46dac3595fa2e2c14290154c3c12ea799ee5043d)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlocksMap.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SafeMode.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeMode.java


> Erasure Coding: Update safemode calculation for striped blocks
> --------------------------------------------------------------
>
>                 Key: HDFS-7864
>                 URL: https://issues.apache.org/jira/browse/HDFS-7864
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: GAO Rui
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-7864.1.patch, HDFS-7864.2.patch, HDFS-7864.3.patch, HDFS-7864.4.patch
>
>
> We need to update the safemode calculation for striped blocks. Specifically, each striped
block now consists of multiple data/parity blocks stored in corresponding DataNodes. The current
code's calculation is thus inconsistent: each striped block is only counted as 1 expected
block, while each of its member block may increase the number of received blocks by 1.



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