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https://issues.apache.org/jira/browse/HDFS-7663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16784481#comment-16784481
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Hudson commented on HDFS-7663:
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SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16126 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16126/])
HDFS-7663. Erasure Coding: Append on striped file. Contributed by Ayush
(vinayakumarb: rev f940ab242da80a22bae95509d5c282d7e2f7ecdb)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSStripedOutputStream.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAppendOp.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestStripedFileAppend.java
> Erasure Coding: Append on striped file
> --------------------------------------
>
> Key: HDFS-7663
> URL: https://issues.apache.org/jira/browse/HDFS-7663
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0-alpha1
> Reporter: Jing Zhao
> Assignee: Ayush Saxena
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-7663-02.patch, HDFS-7663-03.patch,
> HDFS-7663-04.patch, HDFS-7663-05.patch, HDFS-7663-06.patch, HDFS-7663.00.txt,
> HDFS-7663.01.patch
>
>
> Append should be easy if we have variable length block support from
> HDFS-3689, i.e., the new data will be appended to a new block. We need to
> revisit whether and how to support appending data to the original last block.
> 1. Append to a closed striped file, with NEW_BLOCK flag enabled (this)
> 2. Append to a under-construction striped file, with NEW_BLOCK flag enabled
> (HDFS-9173)
> 3. Append to a striped file, by appending to last block group (follow-on)
> This jira attempts to implement the #1, and also track #2, #3.
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