RaigorJiang commented on issue #24338:
URL: 
https://github.com/apache/shardingsphere/issues/24338#issuecomment-1477326182

   @Pace2Car Yes, you are right!
   
   > Some problems occur in the implementation of cluster locks. The current 
distributed locks implemented by ShardingSphere are thread locks, which are 
used to ensure the atomicity of some operations.
   > 
   > But in this feature, we need a process-level lock, so that after the 
backup and recovery operation is completed, it can be unlocked in a new thread 
as the owner of the lock.
   
   


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