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https://issues.apache.org/jira/browse/HADOOP-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15317244#comment-15317244
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Jing Zhao commented on HADOOP-13227:
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Thanks a lot for updating the patch, Nicholas!
bq. We don't want to read the non-head elements from the queue since it is an
O( n) operation, where n is the size of the queue.
Can we use ConcurrentLinkedQueue's iterator for the scanning here? We will not
get any {{ConcurrentModificationException}}, also only the monitor thread
removes elements from the queue, all other threads only add elements into the
queue.
> AsyncCallHandler should use a event driven architecture to handle async calls
> -----------------------------------------------------------------------------
>
> Key: HADOOP-13227
> URL: https://issues.apache.org/jira/browse/HADOOP-13227
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io, ipc
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: c13227_20160602.patch, c13227_20160606.patch
>
>
> This JIRA is to address [Jing's
> comments|https://issues.apache.org/jira/browse/HADOOP-13226?focusedCommentId=15308630&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15308630]
> in HADOOP-13226.
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