Weiwei Yang created HDFS-11918:
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Summary: Ozone: Encapsulate KSM metadata key into protobuf
messages 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
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 different convention, 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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