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https://issues.apache.org/jira/browse/HADOOP-13226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308905#comment-15308905
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Hudson commented on HADOOP-13226:
---------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9889 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9889/])
HADOOP-13226 Support async call retry and failover. (szetszwo: rev
83f2f78c118a7e52aba5104bd97b0acedc96be7b)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestAsyncIPC.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/AsyncDistributedFileSystem.java
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestAsyncHDFSWithHA.java
* hadoop-common-project/hadoop-common/dev-support/findbugsExcludeFile.xml
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/AsyncCallHandler.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/CallReturn.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryPolicies.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestAsyncDFS.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/concurrent/AsyncGet.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
> Support async call retry and failover
> -------------------------------------
>
> Key: HADOOP-13226
> URL: https://issues.apache.org/jira/browse/HADOOP-13226
> Project: Hadoop Common
> Issue Type: New Feature
> Components: io, ipc
> Reporter: Xiaobing Zhou
> Assignee: Tsz Wo Nicholas Sze
> Attachments: h10433_20160524.patch, h10433_20160525.patch,
> h10433_20160525b.patch, h10433_20160527.patch, h10433_20160528.patch,
> h10433_20160528c.patch
>
>
> In current Async DFS implementation, file system calls are invoked and
> returns Future<?> immediately to clients. Clients call Future#get to retrieve
> final results. Future#get internally invokes a chain of callbacks residing in
> ClientNamenodeProtocolTranslatorPB, ProtobufRpcEngine and ipc.Client. The
> callback path bypasses the original retry layer/logic designed for
> synchronous DFS. This proposes refactoring to make retry also works for Async
> DFS.
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