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From "Charles Lamb (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6970) Move startFile EDEK retries to the DFSClient
Date Thu, 18 Sep 2014 19:06:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139346#comment-14139346

Charles Lamb commented on HDFS-6970:

LGTM. Nits only.


newStreamForCreate, buffersize arg is no longer used so perhaps mark it as such either with
a comment or by renaming to your favorite version of "ignore".


Seems like there was some whitespace introduced.


IntelliJ says the second ctor is unused. Is it there for posterity?

TestEncryptionZones#testStartFileRetry - at first blush this seems to fix the timeout problems
we've been seeing.

> 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
>         Attachments: hdfs-6970.001.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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