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https://issues.apache.org/jira/browse/HADOOP-13649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16465802#comment-16465802
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Gabor Bota edited comment on HADOOP-13649 at 5/7/18 11:23 AM:
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Mvn test and verify were successful on eu-west-1 with 
fs.s3a.s3guard.test.enabled (_-Ds3guard)._


was (Author: gabor.bota):
Mvn test and verify were successful on eu-west-1 with 
fs.s3a.s3guard.test.enabled _-Ds3guard._

> s3guard: implement time-based (TTL) expiry for LocalMetadataStore
> -----------------------------------------------------------------
>
>                 Key: HADOOP-13649
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13649
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.0.0-beta1
>            Reporter: Aaron Fabbri
>            Assignee: Gabor Bota
>            Priority: Minor
>         Attachments: HADOOP-13649.001.patch, HADOOP-13649.002.patch
>
>
> LocalMetadataStore is primarily a reference implementation for testing.  It 
> may be useful in narrow circumstances where the workload can tolerate 
> short-term lack of inter-node consistency:  Being in-memory, one JVM/node's 
> LocalMetadataStore will not see another node's changes to the underlying 
> filesystem.
> To put a bound on the time during which this inconsistency may occur, we 
> should implement time-based (a.k.a. Time To Live / TTL)  expiration for 
> LocalMetadataStore



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