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https://issues.apache.org/jira/browse/HDFS-17758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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farmmamba resolved HDFS-17758.
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Fix Version/s: 3.5.0
Resolution: Duplicate
> 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
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> In my practice, when enable aysnc router rpc, we must adjust
> {quote}ipc.client.async.calls.max{quote} larger. If not, we will get
> AsyncCallLimitExceededException exception.
> The original purpose of method checkAsyncCall is to prevent Out-of-Memory
> from occurring on the client, we should make it not throttle router async rpc
> request.
> BTW, we use other mechanisms to prevent OOM from occurring on the hdfs
> router. please see HDFS-17713
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