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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13452) S3Guard: Implement access policy for intra-client consistency with in-memory metadata store.
Date Tue, 02 Aug 2016 00:09:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403077#comment-15403077
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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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