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Support switch from Changestore to Logstore automatically for flink source
Use case/motivation
Arctic use Changestore and Logstore to store CDC messages.
Logstore use MQ(eg: Kafka) to distribute real-time cdc message.
Changestore use iceberg table to store cdc message for analyse and provide near real-time incremental pull.
In really use case, Logstore store message for several days and Changestore store message for a longer time.
Flink source should support to read Changestore for early CDC messages and switch to Logstore when catch it up.
Describe the solution
Support to config the reading start time for Flink source
Flink source determin read Changestore or Logstore according reading start time
Flink source should transfer from Changestore to Logstore when catch it up.
zhoujinsong
changed the title
[Feature]: Unify Changestore and Logstore for flink source
[Feature]: Support switch from Changestore to Logstore automatically for flink source
Oct 18, 2022
Description
Support switch from Changestore to Logstore automatically for flink source
Use case/motivation
Arctic use Changestore and Logstore to store CDC messages.
Logstore use MQ(eg: Kafka) to distribute real-time cdc message.
Changestore use iceberg table to store cdc message for analyse and provide near real-time incremental pull.
In really use case, Logstore store message for several days and Changestore store message for a longer time.
Flink source should support to read Changestore for early CDC messages and switch to Logstore when catch it up.
Describe the solution
Subtasks
Related issues
No response
Are you willing to submit a PR?
Code of Conduct
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