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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12957) Limit the number of outstanding async calls
Date Mon, 02 May 2016 19:45:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15267359#comment-15267359
] 

Hudson commented on HADOOP-12957:
---------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #9701 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/9701/])
HADOOP-12957. Limit the number of outstanding async calls.  Contributed (szetszwo: rev 1b9f18623ab55507bea94888317c7d63d0f4a6f2)
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestAsyncDFSRename.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/AsyncCallLimitExceededException.java
* hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/AsyncDistributedFileSystem.java
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestAsyncIPC.java


> Limit the number of outstanding async calls
> -------------------------------------------
>
>                 Key: HADOOP-12957
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12957
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-12957-HADOOP-12909.000.patch, HADOOP-12957-combo.000.patch,
HADOOP-12957.001.patch, HADOOP-12957.002.patch, HADOOP-12957.003.patch, HADOOP-12957.004.patch,
HADOOP-12957.005.patch, HADOOP-12957.006.patch, HADOOP-12957.007.patch, HADOOP-12957.008.patch,
HADOOP-12957.009.patch, HADOOP-12957.010.patch, HADOOP-12957.011.patch
>
>
> In async RPC, if the callers don't read replies fast enough, the buffer storing replies
could be used up. This is to propose limiting the number of outstanding async calls to eliminate
the issue.



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