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https://issues.apache.org/jira/browse/HADOOP-14226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948347#comment-15948347
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Mingliang Liu commented on HADOOP-14226:
----------------------------------------
Tested against us-west-1:
{code}
$ mvn -Dit.test='ITestS3A*,ITestS3Guard*,ITestDynamo*' -Dtest=none -Dscale
-Ds3guard -Ddynamo -q clean verify
Results :
Tests run: 357, Failures: 0, Errors: 0, Skipped: 16
{code}
> S3Guard: DynamoDBMetadata::move() should populate ancestor directories of
> destination paths
> -------------------------------------------------------------------------------------------
>
> Key: HADOOP-14226
> URL: https://issues.apache.org/jira/browse/HADOOP-14226
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HADOOP-14226-HADOOP-13345.000.patch,
> HADOOP-14226-HADOOP-13345.001.patch
>
>
> UPDATE: Instead of changing the test, in this JIRA we make sure for each path
> to put, DDBMS::move() has records of each directory up to the root. See
> [~fabbri]'s comment in this JIRA for more detail.
> After running {{ITestDynamoDBMetadataStoreScale}}, the test data is not
> cleaned up. There is a call to {{clearMetadataStore(ms, count);}} in the
> finally clause though. The reason is that, the internally called method
> {{DynamoDBMetadataStore::deleteSubtree()}} is assuming there should be an
> item for the parent dest path:
> {code}
> parent=/fake-bucket, child=moved-here, is_dir=true
> {code}
> In DynamoDBMetadataStore implementation, we assume that _if a path exists,
> all its ancestors will also exist in the table_. We need to pre-create dest
> path to maintain this invariant so that test data can be cleaned up
> successfully.
> I think there may be other tests with the same problem. Let's
> identify/address them separately.
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