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https://issues.apache.org/jira/browse/HDFS-7608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14627879#comment-14627879
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Hudson commented on HDFS-7608:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #257 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/257/])
HDFS-7608: hdfs dfsclient newConnectedPeer has no write timeout (Xiaoyu Yao via
Colin P. McCabe) (cmccabe: rev 1d74ccececaefffaa90c0c18b40a3645dbc819d9)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java
HDFS-7608: add CHANGES.txt (cmccabe: rev
b7fb6ec4513de7d342c541eb3d9e14642286e2cf)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> hdfs dfsclient newConnectedPeer has no write timeout
> -----------------------------------------------------
>
> Key: HDFS-7608
> URL: https://issues.apache.org/jira/browse/HDFS-7608
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: fuse-dfs, hdfs-client
> Affects Versions: 2.3.0, 2.6.0
> Environment: hdfs 2.3.0 hbase 0.98.6
> Reporter: zhangshilong
> Assignee: Xiaoyu Yao
> Fix For: 2.8.0
>
> Attachments: HDFS-7608.0.patch, HDFS-7608.1.patch, HDFS-7608.2.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> problem:
> hbase compactSplitThread may lock forever on read datanode blocks.
> debug found: epollwait timeout set to 0,so epollwait can not run out.
> cause: in hdfs 2.3.0
> hbase using DFSClient to read and write blocks.
> DFSClient creates one socket using newConnectedPeer(addr), but has no read
> or write timeout.
> in v 2.6.0, newConnectedPeer has added readTimeout to deal with the
> problem,but did not add writeTimeout. why did not add write Timeout?
> I think NioInetPeer need a default socket timeout,so appalications will no
> need to force adding timeout by themselives.
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