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https://issues.apache.org/jira/browse/HDFS-7843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14337067#comment-14337067
]
Hadoop QA commented on HDFS-7843:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12700791/h7843_20150226.patch
against trunk revision 1a68fc4.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.TestDecommission
org.apache.hadoop.hdfs.server.namenode.TestFileTruncate
org.apache.hadoop.hdfs.qjournal.TestNNWithQJM
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/9664//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9664//console
This message is automatically generated.
> A truncated file is corrupted after rollback from a rolling upgrade
> -------------------------------------------------------------------
>
> Key: HDFS-7843
> URL: https://issues.apache.org/jira/browse/HDFS-7843
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Blocker
> Attachments: h7843_20150226.patch
>
>
> Here is a rolling upgrade truncate test from [~brandonli]. The basic test
> step is: (3 nodes cluster with HA)
> 1. upload a file to hdfs
> 2. start rollingupgrade. finish rollingupgrade for namenode and one datanode.
> 3. truncate the file in hdfs to 1byte
> 4. do rollback
> 5. download file from hdfs, check file size to be original size
> I see the file size in hdfs is correct but can't read it because the block is
> corrupted.
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