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https://issues.apache.org/jira/browse/HADOOP-12980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620196#comment-16620196
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Yiqun Lin commented on HADOOP-12980:
------------------------------------
Thanks [~xyao].
I did a quick look and plan to document missing settings related with
following:
{code:java}
/**
* CallQueue related settings. These are not used directly, but rather
* combined with a namespace and port. For instance:
* IPC_NAMESPACE + ".8020." + IPC_CALLQUEUE_IMPL_KEY
*/
public static final String IPC_NAMESPACE = "ipc";
public static final String IPC_CALLQUEUE_IMPL_KEY = "callqueue.impl";
public static final String IPC_SCHEDULER_IMPL_KEY = "scheduler.impl";
public static final String IPC_IDENTITY_PROVIDER_KEY =
"identity-provider.impl";
public static final String IPC_BACKOFF_ENABLE = "backoff.enable";
public static final boolean IPC_BACKOFF_ENABLE_DEFAULT = false;
{code}
Transformed to the real settings, will be total 4 settings:
* ipc.<port>.callqueue.impl
* ipc.<port>.scheduler.impl
* ipc.<port>.identity-provider.impl
* ipc.<port>.backoff.enable
For the more-detailed setting, e.g. decay-scheduler.decay-factor, we recommend
users to look into corresponding class and know how to use it. Here we just let
users know how to easily enable this and know the usage of the basic setting.
I have talked with [~jianliang.wu] offline, he is doing some work of this. I'd
like re-assign this for him. Let's looking forward to seeing his patch, :).
> Document RPC scheduler/callqueue configuration keys
> ---------------------------------------------------
>
> Key: HADOOP-12980
> URL: https://issues.apache.org/jira/browse/HADOOP-12980
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: documentation
> Reporter: Xiaoyu Yao
> Assignee: Yiqun Lin
> Priority: Major
>
> This ticket is opened to document RPC scheduler, callqueue and handler
> related keys.
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