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https://issues.apache.org/jira/browse/HADOOP-14756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430890#comment-16430890
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Gabor Bota edited comment on HADOOP-14756 at 4/9/18 5:14 PM:
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Hi [~fabbri], [~ste...@apache.org],
I've started progress on this issue, and I have some questions about it.
#3:
* In case the "isNew" flag implementation is needed I assume it would be an
additional attribute in dynamodb table for the entries. Is this correct?
* Right now there is a comment about it in
org/apache/hadoop/fs/s3a/s3guard/LocalMetadataStore.java:246 - Is it still
valid?
* As [~fabbri] said, as the DirListingMetadata supports the isAuthoritative
flag there is no need for this change. If there's no need for it, could it be
removed from the description?
was (Author: gabor.bota):
Hi [~fabbri], [~ste...@apache.org],
I've started progress on this issue, and I have some questions about it.
#3:
* In case the "isNew" flag implementation is needed I assume it would be an
additional attribute in dynamodb table for the entries. Is this correct?
* Right now there is a comment about it in
org/apache/hadoop/fs/s3a/s3guard/LocalMetadataStore.java:246 - Is it still
valid?
* As [~fabbri] said, as the DirListingMetadata supports the isAuthoritative
flag there is no need for this change. Could it be removed from the description?
> S3Guard: expose capability query in MetadataStore and add tests of
> authoritative mode
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-14756
> URL: https://issues.apache.org/jira/browse/HADOOP-14756
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.0.0-beta1
> Reporter: Steve Loughran
> Assignee: Gabor Bota
> Priority: Major
>
> {{MetadataStoreTestBase.testListChildren}} would be improved with the ability
> to query the features offered by the store, and the outcome of {{put()}}, so
> probe the correctness of the authoritative mode
> # Add predicate to MetadataStore interface
> {{supportsAuthoritativeDirectories()}} or similar
> # If #1 is true, assert that directory is fully cached after changes
> # Add "isNew" flag to MetadataStore.put(DirListingMetadata); use to verify
> when changes are made
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