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https://issues.apache.org/jira/browse/HDFS-12069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16069847#comment-16069847
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Weiwei Yang commented on HDFS-12069:
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Patch v1 uploaded. This patch creates an interface for ozone metadata store
abstraction {{MetadataStore}}, it has defines all necessary APIs to support
ozone metadata. And {{LevelDBStore}} now implements {{MetadataStore}}.
The goal is to off the hook so that we don't rely on particular DB
implementation to manage ozone metadata, all the operations should be done from
the {{MetadataStore}} interface.
Actually to make sure API is complete, I've done more than this patch. I have
tried to replace all {{LevelDBStore}} references with {{MetadataStore}}, and it
works out nicely. Please help to review.
Thanks.
> Ozone: Create a general abstraction for metadata store
> ------------------------------------------------------
>
> Key: HDFS-12069
> URL: https://issues.apache.org/jira/browse/HDFS-12069
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Attachments: HDFS-12069-HDFS-7240.001.patch
>
>
> Create a general abstraction for metadata store so that we can plug other key
> value store to host ozone metadata. Currently only levelDB is implemented, we
> want to support RocksDB as it provides more production ready features.
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