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https://issues.apache.org/jira/browse/FLUME-2409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14167612#comment-14167612
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Johny Rufus commented on FLUME-2409:
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True, I wasn't able to see any other way of testing the change.
> NettyAvroRpcClient performs unnecessary hostname lookups
> --------------------------------------------------------
>
> Key: FLUME-2409
> URL: https://issues.apache.org/jira/browse/FLUME-2409
> Project: Flume
> Issue Type: Bug
> Components: Client SDK
> Affects Versions: v1.5.0.1
> Reporter: Roman Novachenko
> Priority: Minor
> Fix For: v1.6.0
>
> Attachments: FLUME-2409-0.patch, FLUME-2409-1.patch, FLUME-2409.patch
>
>
> When NettyAvroRpcClient works with a host that has only an IP address
> associated with it but no hostname, some operations take too long (a few
> seconds vs expected millis). This affects most of exceptions throwing and a
> part of logging.
> This happens because of the unnecessary and expensive hostname lookup when
> converting NettyAvroRpcClient to String.
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