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dyrnq / cdc-vagrant

CDC(Change Data Capture) is made up of two components, the CDD and the CDT. CDD is stand for Change Data Detection and CDT is stand for Change Data Transfer.
https://nightlies.apache.org/flink/flink-cdc-docs-stable/
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Execution failed: Error Failed to execute sql: java.sql.SQLException: (conn=17) errCode = 2, detailMessage = It is highly NOT RECOMMENDED to use DROP BACKEND stmt.It is not safe to directly drop a backend. All data on this backend will be discarded permanently. If you insist, use DROPP BACKEND stmt (double P). #4

Closed dyrnq closed 1 year ago

dyrnq commented 1 year ago 
ALTER SYSTEM DROP BACKEND '192.168.56.115:9050';
Execution failed: Error Failed to execute sql: java.sql.SQLException: (conn=17) errCode = 2, detailMessage = It is highly NOT RECOMMENDED to use DROP BACKEND stmt.It is not safe to directly drop a backend. All data on this backend will be discarded permanently. If you insist, use DROPP BACKEND stmt (double P).
dyrnq commented 1 year ago

solved by 

ALTER SYSTEM DROPP BACKEND '192.168.56.116:9050';