Rushabh Shah created PHOENIX-7025:
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Summary: Create a new RPC to validate last ddl timestamp for read
requests.
Key: PHOENIX-7025
URL: https://issues.apache.org/jira/browse/PHOENIX-7025
Project: Phoenix
Issue Type: Sub-task
Reporter: Rushabh Shah
Assignee: Palash Chauhan
Introduce a new RPC request from phoenix client to any region server via
PhoenixRegionServerEndpoint#validateLastDDLTimestamp. Since the last ddl
timestamp cache is maintained by all the regionservers, you can choose any
regionserver randomly. In future, we can make this rpc more resilient by
sending this rpc to multiple regionservers simultaneously.
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