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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 updated HDFS-17758:
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Description:
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
was:
In my practice, when enable aysnc router rpc, we must adjust
{{ipc.client.async.calls.max}} 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
> 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
>
> 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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