[jira] [Created] (HADOOP-15988) Set empty directory flag to TRUE in DynamoDBMetadataStore#innerGet when using authoritative mode

[Gabor Bota (JIRA)]

Gabor Bota created HADOOP-15988:
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Summary: Set empty directory flag to TRUE in DynamoDBMetadataStore#innerGet when using authoritative mode
Key: HADOOP-15988
URL: https://issues.apache.org/jira/browse/HADOOP-15988
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 3.1.0
Reporter: Gabor Bota
Assignee: Gabor Bota


We have the following comment and implementation in DynamoDBMetadataStore:
{noformat}
// When this class has support for authoritative
// (fully-cached) directory listings, we may also be able to answer
// TRUE here. Until then, we don't know if we have full listing or
// not, thus the UNKNOWN here:
meta.setIsEmptyDirectory(
hasChildren ? Tristate.FALSE : Tristate.UNKNOWN);
{noformat}

We have authoritative listings now in dynamo since HADOOP-15621, so we should resolve this comment, implement the solution and test it.



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