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https://issues.apache.org/jira/browse/HBASE-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-8722.
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Resolution: Not A Problem
> Specify and document the FileSystem level behaviors required by HBase
> ---------------------------------------------------------------------
>
> Key: HBASE-8722
> URL: https://issues.apache.org/jira/browse/HBASE-8722
> Project: HBase
> Issue Type: Umbrella
> Reporter: Andrew Kyle Purtell
> Priority: Major
>
> HADOOP-9361 is an umbrella for an effort to strictly define the expected
> behavior of filesystem APIs, and then write tests to verify compliance.
> Currently we implicitly require some HDFS semantics that may not be available
> in other filesystems or data storage options. We should specify and document
> the filesystem level behaviors expected by HBase so they are visible as part
> of this effort. Then filesystem providers can know what is required for HBase
> application support through spec and standalone tests and won't need to
> bootstrap a full HBase installation, which can be a complex and error-prone
> undertaking if the semantics of the underlying storage are incompatible.
> Some areas that come to mind are: close-to-open, pread, lease recovery,
> flush/sync, atomic renames.
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