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https://issues.apache.org/jira/browse/HADOOP-13908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15799977#comment-15799977
 ] 

Mingliang Liu commented on HADOOP-13908:
----------------------------------------

When disabling the parallel test, the test result (table existent and table 
nonexistent) is:
{code}
Results :

Tests in error:
  ITestS3AAWSCredentialsProvider.testAnonymousProvider:133 » AWSServiceIO 
initTa...
  ITestS3ACredentialsInURL.testInstantiateFromURL:86 » InterruptedIO initTable: 
...
  ITestS3ACredentialsInURL.testInvalidCredentialsFail:127 » AccessDenied 
s3a://m...
  
ITestS3AFileSystemContract>FileSystemContractBaseTest.testRenameToDirWithSamePrefixAllowed:669->FileSystemContractBaseTest.rename:525
 » AWSServiceIO
  
ITestS3ADeleteFilesOneByOne>ITestS3ADeleteManyFiles.testBulkRenameAndDelete:101 
» AWSServiceIO
  ITestS3ADeleteManyFiles.testBulkRenameAndDelete:101 » AWSServiceIO move: 
com.a...

Tests run: 321, Failures: 0, Errors: 6, Skipped: 8
{code}
The first three are about the credentials. The last two are being fixed by 
[HADOOP-13934], the 
{{FileSystemContractBaseTest#testRenameToDirWithSamePrefixAllowed}} is also 
discussed there.

> S3Guard: Existing tables may not be initialized correctly in 
> DynamoDBMetadataStore
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-13908
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13908
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: HADOOP-13345
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HADOOP-13908-HADOOP-13345.000.patch, 
> HADOOP-13908-HADOOP-13345.001.patch, HADOOP-13908-HADOOP-13345.002.patch, 
> HADOOP-13908-HADOOP-13345.002.patch, HADOOP-13908-HADOOP-13345.003.patch, 
> HADOOP-13908-HADOOP-13345.004.patch
>
>
> This was based on discussion in [HADOOP-13455]. Though we should not create 
> table unless the config {{fs.s3a.s3guard.ddb.table.create}} is set true, we 
> still have to get the existing table in 
> {{DynamoDBMetadataStore#initialize()}} and wait for its becoming active, 
> before any table/item operations.



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