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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2016/08/02 00:09:20 UTC
[jira] [Commented] (HADOOP-13452) S3Guard: Implement access policy
for intra-client consistency with in-memory metadata store.
[ https://issues.apache.org/jira/browse/HADOOP-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403077#comment-15403077 ]
Chris Nauroth commented on HADOOP-13452:
----------------------------------------
For a similar concept, see this class in GCS:
https://github.com/GoogleCloudPlatform/bigdata-interop/blob/1447da82f2bded2ac8493b07797a5c2483b70497/gcsio/src/main/java/com/google/cloud/hadoop/gcsio/InMemoryDirectoryListCache.java
> S3Guard: Implement access policy for intra-client consistency with in-memory metadata store.
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-13452
> URL: https://issues.apache.org/jira/browse/HADOOP-13452
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Chris Nauroth
> Priority: Minor
>
> Implement an S3A access policy based on an in-memory metadata store. This can provide consistency within the same client without needing to integrate with an external system.
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