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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8058) Erasure coding: use BlockInfo[] for both striped and contiguous blocks in INodeFile
Date Wed, 30 Sep 2015 17:48:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937982#comment-14937982
] 

Hudson commented on HDFS-8058:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #439 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/439/])
HDFS-8058. Erasure coding: use BlockInfo[] for both striped and (zhezhang: rev 7e091de1366f4b57b5433bc19d738199dc05313d)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileDiff.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestEditLog.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileDiffList.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFileAttributes.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FSImageFormatPBSnapshot.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAddStripedBlocks.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileWithSnapshotFeature.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirConcatOp.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoContiguous.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirWriteFileOp.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestTruncateQuotaUpdate.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/proto/fsimage.proto
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeFile.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestStripedINodeFile.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileWithStripedBlocksFeature.java


> Erasure coding: use BlockInfo[] for both striped and contiguous blocks in INodeFile
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-8058
>                 URL: https://issues.apache.org/jira/browse/HDFS-8058
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: Yi Liu
>            Assignee: Zhe Zhang
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8058-HDFS-7285.003.patch, HDFS-8058-HDFS-7285.004.patch, HDFS-8058-HDFS-7285.005.patch,
HDFS-8058-HDFS-7285.006.patch, HDFS-8058-HDFS-7285.007.patch, HDFS-8058-HDFS-7285.008.patch,
HDFS-8058-HDFS-7285.009.patch, HDFS-8058-HDFS-7285.010.patch, HDFS-8058.001.patch, HDFS-8058.002.patch
>
>
> This JIRA is to use {{BlockInfo[] blocks}} for both striped and contiguous blocks in
INodeFile.
> Currently {{FileWithStripedBlocksFeature}} keeps separate list for striped blocks, and
the methods there duplicate with those in INodeFile, and current code need to judge {{isStriped}}
then do different things. Also if file is striped, the {{blocks}} in INodeFile occupy a reference
memory space.
> These are not necessary, and we can use the same {{blocks}} to make code more clear.
> I keep {{FileWithStripedBlocksFeature}} as empty for follow use: I will file a new JIRA
to move {{dataBlockNum}} and {{parityBlockNum}} from *BlockInfoStriped* to INodeFile, since
ideally they are the same for all striped blocks in a file, and store them in block will waste
NN memory.



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