Andrew Purtell created HBASE-8722:
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Summary: 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 Purtell
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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