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https://issues.apache.org/jira/browse/HDFS-7263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182213#comment-14182213
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Hadoop QA commented on HDFS-7263:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12676718/HDFS-7263.patch
against trunk revision 7ab7545.
{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:red}-1 javac{color}. The applied patch generated 1265 javac
compiler warnings (more than the trunk's current 1264 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 following test timeouts occurred in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.TestFileCreation
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/8507//testReport/
Javac warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/8507//artifact/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8507//console
This message is automatically generated.
> Snapshot read of an appended file returns more bytes than the file length.
> --------------------------------------------------------------------------
>
> Key: HDFS-7263
> URL: https://issues.apache.org/jira/browse/HDFS-7263
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.5.0
> Reporter: Konstantin Shvachko
> Assignee: Tao Luo
> Attachments: HDFS-7263.patch, TestSnapshotRead.java
>
>
> The following sequence of steps will produce extra bytes, that should not be
> visible, because they are not in the snapshot.
> * Create a file of size L, where {{L % blockSize != 0}}.
> * Create a snapshot
> * Append bytes to the file
> * Read file in the snapshot (not the current file)
> * You will see the bytes are read beoynd the original file size L
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