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https://issues.apache.org/jira/browse/HADOOP-13449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15603229#comment-15603229
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Mingliang Liu commented on HADOOP-13449:
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{quote}
I feel that we should have a consistent contract for all the stores.
{quote}
Yes we should fix this.
{quote}
Regarding isEmptyDirectory. should we store it in dynamodb as well?
{quote}
I plan to store this in the v1 patch. We can optimize this in the future if too
many requests to DynamoDB.
{quote}
DynamoDBMetadataStore should have a getTableName() or getTable().
{quote}
That makes perfect sense as well.
{quote}
For authoritative(), do you think storing it as a flag in the DynamoDB is a
good idea?
{quote}
That's a good suggestion. I can try this.
> S3Guard: Implement DynamoDBMetadataStore.
> -----------------------------------------
>
> Key: HADOOP-13449
> URL: https://issues.apache.org/jira/browse/HADOOP-13449
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Chris Nauroth
> Assignee: Mingliang Liu
> Attachments: HADOOP-13449-HADOOP-13345.000.patch
>
>
> Provide an implementation of the metadata store backed by DynamoDB.
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