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https://issues.apache.org/jira/browse/HADOOP-11584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322626#comment-14322626
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Hadoop QA commented on HADOOP-11584:
------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12699066/HADOOP-11584-002.patch
against trunk revision ab0b958.
{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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-tools/hadoop-aws.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/5709//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/5709//console
This message is automatically generated.
> s3a file block size set to 0 in getFileStatus
> ---------------------------------------------
>
> Key: HADOOP-11584
> URL: https://issues.apache.org/jira/browse/HADOOP-11584
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.6.0
> Reporter: Dan Hecht
> Assignee: Brahma Reddy Battula
> Priority: Blocker
> Attachments: HADOOP-111584.patch, HADOOP-11584-002.patch
>
>
> The consequence is that mapreduce probably is not splitting s3a files in the
> expected way. This is similar to HADOOP-5861 (which was for s3n, though s3n
> was passing 5G rather than 0 for block size).
> FileInputFormat.getSplits() relies on the FileStatus block size being set:
> {code}
> if (isSplitable(job, path)) {
> long blockSize = file.getBlockSize();
> long splitSize = computeSplitSize(blockSize, minSize, maxSize);
> {code}
> However, S3AFileSystem does not set the FileStatus block size field. From
> S3AFileStatus.java:
> {code}
> // Files
> public S3AFileStatus(long length, long modification_time, Path path) {
> super(length, false, 1, 0, modification_time, path);
> isEmptyDirectory = false;
> }
> {code}
> I think it should use S3AFileSystem.getDefaultBlockSize() for each file's
> block size (where it's currently passing 0).
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