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https://issues.apache.org/jira/browse/HDFS-11918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weiwei Yang resolved HDFS-11918.
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Resolution: Later
> Ozone: Encapsulate KSM metadata key for better (de)serialization
> ----------------------------------------------------------------
>
> Key: HDFS-11918
> URL: https://issues.apache.org/jira/browse/HDFS-11918
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Critical
> Attachments: HDFS-11918-HDFS-7240.001.patch
>
>
> There are multiple type of keys stored in KSM database
> # Volume Key
> # Bucket Key
> # Object Key
> # User Key
> Currently they are represented as plain string with some conventions, such as
> # /volume
> # /volume/bucket
> # /volume/bucket/key
> # $user
> this approach makes it so difficult to parse volume/bucket/keys from KSM
> database. Propose to encapsulate these types of keys into protobuf messages,
> and take advantage of protobuf to serialize(deserialize) classes to byte
> arrays (and vice versa).
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