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https://issues.apache.org/jira/browse/HADOOP-13934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15797564#comment-15797564
]
Mingliang Liu commented on HADOOP-13934:
----------------------------------------
Test report in US-West-1:
{code}
Results :
Tests in error:
ITestS3AAWSCredentialsProvider.testAnonymousProvider:133 » IO Failed to
instan...
ITestS3ACredentialsInURL.testInstantiateFromURL:86 » IO Failed to instantiate
...
ITestS3ACredentialsInURL.testInvalidCredentialsFail:127 » AccessDenied
s3a://m...
ITestS3AFileSystemContract>FileSystemContractBaseTest.testRenameToDirWithSamePrefixAllowed:669->FileSystemContractBaseTest.rename:525
» AWSServiceIO
Tests run: 321, Failures: 0, Errors: 4, Skipped: 8
{code}
The reason {{FileSystemContractBaseTest#testRenameToDirWithSamePrefixAllowed}}
fails was that the parameters from {{S3AFileSystem#innerRename}} to
{{DynamoDBMetadataStore#move()}} are lists that may contain duplicate paths. We
can:
# track the effort elsewhere to fix the S3AFileSystem code (e.g. using a
HashSet instead of an ArrayList for delete/put paths)
# remove the duplicates in {{DynamoDBMetadataStore#move()}}
> S3Guard: DynamoDBMetadataStore#move() could be throwing exception due to
> BatchWriteItem limits
> ----------------------------------------------------------------------------------------------
>
> Key: HADOOP-13934
> URL: https://issues.apache.org/jira/browse/HADOOP-13934
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Rajesh Balamohan
> Assignee: Mingliang Liu
> Priority: Minor
> Attachments: HADOOP-13934-HADOOP-13345.000.patch,
> HADOOP-13934-HADOOP-13345.001.patch, HADOOP-13934-HADOOP-13345.002.patch,
> HADOOP-13934-HADOOP-13345.003.patch
>
>
> When using {{DynamoDBMetadataStore}} with a insert heavy hive app , it
> started throwing exceptions in {{DynamoDBMetadataStore::move}}. But just with
> the following exception, it is relatively hard to debug on the real issue in
> DynamoDB side.
> {noformat}
> Caused by: com.amazonaws.services.dynamodbv2.model.AmazonDynamoDBException: 1
> validation error detected: Value
> '{ddb-table-name-334=[com.amazonaws.dynamodb.v20120810.WriteRequest@ca1da583,
> com.amazonaws.dynamodb.v20120810.WriteRequest@ca1fc7cd,
> com.amazonaws.dynamodb.v20120810.WriteRequest@ca4244e6,
> com.amazonaws.dynamodb.v20120810.WriteRequest@ca2f58a9,
> com.amazonaws.dynamodb.v20120810.WriteRequest@ca3525f8,
> ...
> ...
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1529)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1167)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:948)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:661)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:635)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:618)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$300(AmazonHttpClient.java:586)
> at
> com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:573)
> at
> com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:445)
> at
> com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.doInvoke(AmazonDynamoDBClient.java:1722)
> at
> com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.invoke(AmazonDynamoDBClient.java:1698)
> at
> com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.batchWriteItem(AmazonDynamoDBClient.java:668)
> at
> com.amazonaws.services.dynamodbv2.document.internal.BatchWriteItemImpl.doBatchWriteItem(BatchWriteItemImpl.java:111)
> at
> com.amazonaws.services.dynamodbv2.document.internal.BatchWriteItemImpl.batchWriteItem(BatchWriteItemImpl.java:52)
> at
> com.amazonaws.services.dynamodbv2.document.DynamoDB.batchWriteItem(DynamoDB.java:178)
> at
> org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.move(DynamoDBMetadataStore.java:351)
> ... 28 more
> {noformat}
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