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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7192) DN should ignore lazyPersist hint if the writer is not local
Date Thu, 30 Jul 2015 20:25:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648262#comment-14648262

Hudson commented on HDFS-7192:

FAILURE: Integrated in Hadoop-trunk-Commit #8246 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8246/])
HDFS-7192. DN should ignore lazyPersist hint if the writer is not local. (Contributed by Arpit
Agarwal) (arp: rev 88d8736ddeff10a03acaa99a9a0ee99dcfabe590)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataXceiverLazyPersistHint.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java

> DN should ignore lazyPersist hint if the writer is not local
> ------------------------------------------------------------
>                 Key: HDFS-7192
>                 URL: https://issues.apache.org/jira/browse/HDFS-7192
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>             Fix For: 2.8.0
>         Attachments: HDFS-7192.01.patch, HDFS-7192.02.patch, HDFS-7192.03.patch, HDFS-7192.04.patch,
> The DN should ignore {{allowLazyPersist}} hint to {{DataTransferProtocol#writeBlock}}
if the writer is not local.
> Currently we don't restrict memory writes to local clients. For in-cluster clients this
is not an issue as single replica writes default to the local DataNode. But clients outside
the cluster can still send this hint.

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