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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10714) AmazonS3Client.deleteObjects() need to be limited to 1000 entries per call
Date Wed, 05 Nov 2014 07:42:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14197798#comment-14197798
] 

Hadoop QA commented on HADOOP-10714:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12679481/HADOOP-10714.010.patch
  against trunk revision 73068f6.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 18 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-common-project/hadoop-common
hadoop-tools/hadoop-aws.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5027//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5027//console

This message is automatically generated.

> AmazonS3Client.deleteObjects() need to be limited to 1000 entries per call
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-10714
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10714
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.5.0
>            Reporter: David S. Wang
>            Assignee: Juan Yu
>            Priority: Critical
>              Labels: s3
>         Attachments: HADOOP-10714-007.patch, HADOOP-10714-009.patch, HADOOP-10714-1.patch,
HADOOP-10714.001.patch, HADOOP-10714.002.patch, HADOOP-10714.003.patch, HADOOP-10714.004.patch,
HADOOP-10714.005.patch, HADOOP-10714.006.patch, HADOOP-10714.008.patch, HADOOP-10714.010.patch
>
>
> In the patch for HADOOP-10400, calls to AmazonS3Client.deleteObjects() need to have the
number of entries at 1000 or below. Otherwise we get a Malformed XML error similar to:
> com.amazonaws.services.s3.model.AmazonS3Exception: Status Code: 400, AWS Service: Amazon
S3, AWS Request ID: 6626AD56A3C76F5B, AWS Error Code: MalformedXML, AWS Error Message: The
XML you provided was not well-formed or did not validate against our published schema, S3
Extended Request ID: DOt6C+Y84mGSoDuaQTCo33893VaoKGEVC3y1k2zFIQRm+AJkFH2mTyrDgnykSL+v
> at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:798)
> at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:421)
> at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:232)
> at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3528)
> at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3480)
> at com.amazonaws.services.s3.AmazonS3Client.deleteObjects(AmazonS3Client.java:1739)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.rename(S3AFileSystem.java:388)
> at org.apache.hadoop.hbase.snapshot.ExportSnapshot.run(ExportSnapshot.java:829)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.hbase.snapshot.ExportSnapshot.innerMain(ExportSnapshot.java:874)
> at org.apache.hadoop.hbase.snapshot.ExportSnapshot.main(ExportSnapshot.java:878)
> Note that this is mentioned in the AWS documentation:
> http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
> "The Multi-Object Delete request contains a list of up to 1000 keys that you want to
delete. In the XML, you provide the object key names, and optionally, version IDs if you want
to delete a specific version of the object from a versioning-enabled bucket. For each key,
Amazon S3….”
> Thanks to Matteo Bertozzi and Rahul Bhartia from AWS for identifying the problem.



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