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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12909) Support asynchronous RPC calls
Date Thu, 10 Mar 2016 21:47:40 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HADOOP-12909:
-----------------------------------------
    Description: 
In ipc.Client, the underlying mechanism is already supporting asynchronous calls -- the calls
shares a connection, the call requests are sent using a thread pool and the responses can
be out of order.  Indeed, synchronous call is implemented by invoking wait() in the caller
thread in order to wait for the server response.

In this JIRA, we change ipc.Client to support asynchronous mode.  In asynchronous mode, it
return once the request has been sent out but not wait for the response from the server.

  was:
In ipc.Client, the underlying mechanism is already supporting asynchronous calls -- the calls
shares a connection, the call requests are sent using a thread pool and the responses can
be out of order.  Indeed, synchronized call is implemented by invoking wait() in the caller
thread in order to wait for the server response.

In this JIRA, we change ipc.Client to support asynchronous mode.  In asynchronous mode, it
return once the request has been sent out but not wait for the response from the server.


> Support asynchronous RPC calls
> ------------------------------
>
>                 Key: HADOOP-12909
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12909
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: ipc
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Xiaobing Zhou
>
> In ipc.Client, the underlying mechanism is already supporting asynchronous calls -- the
calls shares a connection, the call requests are sent using a thread pool and the responses
can be out of order.  Indeed, synchronous call is implemented by invoking wait() in the caller
thread in order to wait for the server response.
> In this JIRA, we change ipc.Client to support asynchronous mode.  In asynchronous mode,
it return once the request has been sent out but not wait for the response from the server.



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