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Posted to common-dev@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2008/05/08 00:17:56 UTC
[jira] Commented: (HADOOP-930) Add support for reading regular
(non-block-based) files from S3 in S3FileSystem
[ https://issues.apache.org/jira/browse/HADOOP-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595063#action_12595063 ]
Hadoop QA commented on HADOOP-930:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12381601/hadoop-930-v2.patch
against trunk revision 654265.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 159 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
-1 release audit. The applied patch generated 208 release audit warnings (more than the trunk's current 207 warnings).
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2420/testReport/
Release audit warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2420/artifact/trunk/current/releaseAuditDiffWarnings.txt
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2420/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2420/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2420/console
This message is automatically generated.
> Add support for reading regular (non-block-based) files from S3 in S3FileSystem
> -------------------------------------------------------------------------------
>
> Key: HADOOP-930
> URL: https://issues.apache.org/jira/browse/HADOOP-930
> Project: Hadoop Core
> Issue Type: New Feature
> Components: fs
> Affects Versions: 0.10.1
> Reporter: Tom White
> Assignee: Tom White
> Fix For: 0.18.0
>
> Attachments: hadoop-930-v2.patch, hadoop-930.patch, jets3t-0.6.0.jar
>
>
> People often have input data on S3 that they want to use for a Map Reduce job and the current S3FileSystem implementation cannot read it since it assumes a block-based format.
> We would add the following metadata to files written by S3FileSystem: an indication that it is block oriented ("S3FileSystem.type=block") and a filesystem version number ("S3FileSystem.version=1.0"). Regular S3 files would not have the type metadata so S3FileSystem would not try to interpret them as inodes.
> An extension to write regular files to S3 would not be covered by this change - we could do this as a separate piece of work (we still need to decide whether to introduce another scheme - e.g. rename block-based S3 to "s3fs" and call regular S3 "s3" - or whether to just use a configuration property to control block-based vs. regular writes).
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