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https://issues.apache.org/jira/browse/HDFS-15108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17012223#comment-17012223
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Íñigo Goiri commented on HDFS-15108:
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Can we do a better cleanup of the cache and just remove what we need instead of
everything?
Otherwise, I'm fine with this approach even though is a little invasive.
Let's create a method to do String to InetSocketAddress.
In there we can cache rpcAddr.indexOf(":") and probably do a split.
> RBF: MembershipNamenodeResolver should invalidate cache incase of active
> namenode update
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-15108
> URL: https://issues.apache.org/jira/browse/HDFS-15108
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-15108-01.patch, HDFS-15108-02.patch
>
>
> If a failover happens, {{namenodeResolver.updateActiveNamenode(nsId,
> address);}} is called, but this doesn't invalidates the cache, so as the next
> time the correct active is fetched.
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