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https://issues.apache.org/jira/browse/HDFS-17758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17935176#comment-17935176
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ASF GitHub Bot commented on HDFS-17758:
---------------------------------------

hfutatzhanghb opened a new pull request, #7501:
URL: https://github.com/apache/hadoop/pull/7501

   ### Description of PR
   The original purpose of method checkAsyncCall is to prevent Out-of-Memory 
from occurring on the client. But now we have ARR, we should make it not 
throttle router async rpc request. 
   
   BTW, we use other mechanisms  to prevent OOM from occurring on the hdfs 
router.
   
   ### How was this patch tested?
   Add unit test.




> Make method checkAsyncCall not throttle router async rpc request
> ----------------------------------------------------------------
>
>                 Key: HDFS-17758
>                 URL: https://issues.apache.org/jira/browse/HDFS-17758
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>
> The original purpose of method checkAsyncCall is to prevent Out-of-Memory 
> from occurring on the client. But now we have ARR, we should make it not 
> throttle router async rpc request. 
> BTW, we use other mechanisms  to prevent OOM from occurring on the hdfs 
> router.



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