Laboltus opened a new issue #10776:
URL: https://github.com/apache/druid/issues/10776


   I try to change Kafka topic in a supervisor specs, but after the change 
applied, all tasks for the datasource start to fail. 
   
   ### Affected Version
   
   Druid 0.20.0
   
   ### Description
   
   In the Overlord logs I see the following:
   
   `[WARN] 2021-01-18 11:32:07,351 
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor 
warn - Topic/stream in metadata storage [OLD_TOPIC] doesn't match spec 
topic/stream [NEW_TOPIC], ignoring stored sequences`
   
   In the metadata storage (mysql) I see the OLD_TOPIC in 
commit_metadata_payload field of druid_dataSource table. 
   


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