How to Implement the WritableRpcEngine and the code procedure

Hello, There are two different kinds of RPC engine: RPC_WRITABLE & RPC_PROTOCOL_BUFFER In the NameNode side, the class NameNodeRpcServer is used to handle RPC calls from client and DataNode. But I see in the constructor function public NameNodeRpcServer(Configuration conf, NameNode nn) throws IO

Hadoop-Hdfs-trunk - Build # 1024 - Still Failing

See https://builds.apache.org/job/Hadoop-Hdfs-trunk/1024/ ### ## LAST 60 LINES OF THE CONSOLE ### [...truncated 11094 lines...] [INFO] --- maven-clean-plugin:2.4.1:clean

Build failed in Jenkins: Hadoop-Hdfs-trunk #1024

See Changes: [eli] HADOOP-8152. Expand public APIs for security library classes. Contributed by Aaron T. Myers [tucu] MAPREDUCE-4141. clover integration broken, also mapreduce poms are pulling in clover as a dependency. (phunt via

[jira] [Created] (HDFS-3317) Balancer error text changed again, not sending Auth, is this expected?

patrick white created HDFS-3317: --- Summary: Balancer error text changed again, not sending Auth, is this expected? Key: HDFS-3317 URL: https://issues.apache.org/jira/browse/HDFS-3317 Project: Hadoop HDFS

[jira] [Created] (HDFS-3318) Hftp hangs on transfers >2GB

Daryn Sharp created HDFS-3318: - Summary: Hftp hangs on transfers >2GB Key: HDFS-3318 URL: https://issues.apache.org/jira/browse/HDFS-3318 Project: Hadoop HDFS Issue Type: Bug Components

[jira] [Resolved] (HDFS-2999) DN metrics should include per-disk utilization

[ https://issues.apache.org/jira/browse/HDFS-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aaron T. Myers resolved HDFS-2999. -- Resolution: Won't Fix Target Version/s: 2.0.0, 3.0.0 (was: 3.0.0, 2.0.0) Operators ca

[jira] [Created] (HDFS-3319) DFSOutputStream should not start a thread in constructors

Tsz Wo (Nicholas), SZE created HDFS-3319: Summary: DFSOutputStream should not start a thread in constructors Key: HDFS-3319 URL: https://issues.apache.org/jira/browse/HDFS-3319 Project: Hadoop