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From "jianghua zhu (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-15546) Remove duplicate initializeGenericKeys method when creating DFSZKFailoverController
Date Fri, 28 Aug 2020 10:31:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-15546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

jianghua zhu updated HDFS-15546:
--------------------------------
    Attachment: HDFS-15546.001.patch

> Remove duplicate initializeGenericKeys method when creating DFSZKFailoverController
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-15546
>                 URL: https://issues.apache.org/jira/browse/HDFS-15546
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: jianghua zhu
>            Assignee: jianghua zhu
>            Priority: Major
>         Attachments: HDFS-15546.001.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When calling the DFSZKFailoverController#create() method, call NameNode#initializeGenericKeys()
twice.
> First call:
> DFSZKFailoverController#create() {
> ...
> NameNode.initializeGenericKeys(localNNConf, nsId, nnId);
> ...
> }
> The second call:
> NNHAServiceTarget construction method:
> NNHAServiceTarget() {
> ...
> NameNode.initializeGenericKeys(targetConf, nsId, nnId);
> ...
> }
> In fact, the parameters passed in the two calls are the same. Here you can remove the
first call without affecting the program itself.



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