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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6970) Move startFile EDEK retries to the DFSClient
Date Fri, 19 Sep 2014 13:52:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140559#comment-14140559
] 

Hudson commented on HDFS-6970:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1876 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1876/])
HDFS-6970. Move startFile EDEK retries to the DFSClient. (wang) (wang: rev 20a076bafce548298729bab4fb81d12f829e8f7e)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/RetryStartFileException.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java


> Move startFile EDEK retries to the DFSClient
> --------------------------------------------
>
>                 Key: HDFS-6970
>                 URL: https://issues.apache.org/jira/browse/HDFS-6970
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: encryption
>    Affects Versions: 2.5.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: 2.6.0
>
>         Attachments: hdfs-6970.001.patch, hdfs-6970.002.patch
>
>
> [~sureshms] pointed out that holding on to an RPC handler while talking to the KMS is
bad, since it can exhaust the available handlers. Let's avoid this by doing retries at the
DFSClient rather than in the RPC handler, and moving EDEK fetching to the background.



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