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https://issues.apache.org/jira/browse/HADOOP-15038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Genmao Yu updated HADOOP-15038:
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Summary: Abstract MetadataStore in S3Guard into a common module. (was:
Abstract {{MetadataStore}} in {{S3Guard}} into a common module.)
> Abstract MetadataStore in S3Guard into a common module.
> -------------------------------------------------------
>
> Key: HADOOP-15038
> URL: https://issues.apache.org/jira/browse/HADOOP-15038
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Affects Versions: 3.0.0-beta1
> Reporter: Genmao Yu
>
> Open this JIRA to discuss if we should move {{MetadataStore}} in {{S3Guard}}
> into a common module. Based on this work, other filesystem or object store
> can implement their own metastore for optimization (known issues like
> consistency problem and metadata operation performance). [[email protected]]
> and other guys have done many base and great works in {{S3Guard}}. It is very
> helpful to start work. I did some perf test in HADOOP-14098, and started
> related work for Aliyun OSS. Indeed there are still works to do for
> {{S3Guard}}, like metadata cache inconsistent with S3 and so on. It also will
> be a problem for other object store. However, we can do these works in
> parallel.
> cc [~drankye]
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