[jira] [Commented] (HDFS-3741) QJM: exhaustive failure injection test for skipped RPCs

["Aaron T. Myers (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-3741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429581#comment-13429581 ] 

Aaron T. Myers commented on HDFS-3741:
--------------------------------------

This is a pretty baller test, Todd. Good stuff.

The patch looks good to me, and I agree it makes sense to go ahead and commit it to the branch.

+1
                
> QJM: exhaustive failure injection test for skipped RPCs
> -------------------------------------------------------
>
>                 Key: HDFS-3741
>                 URL: https://issues.apache.org/jira/browse/HDFS-3741
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: QuorumJournalManager (HDFS-3077)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-3741.txt
>
>
> This JIRA is to add a test case which exhaustively tests double-failure scenarios in a 3-node quorum setup. The test instruments the RPCs between the client and the JNs, and injects faults, simulating a dropped RPC. The framework used by this test will also be expanded in future JIRAs for other failure scenarios.

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