fujian-zfj opened a new pull request, #9207:
URL: https://github.com/apache/rocketmq/pull/9207

   ### Which Issue(s) This PR Fixes
   
   Fixes #9206
   
   ### Brief Description
   
   In rocksdb and HA mode, slave try to sync topics and subscription, but slave 
do not write these meta to WAL, it may cause loss of topics and subcription 
after slave is elected to master.
   
   ### How Did You Test This Change?
   
   enable rocksdb and HA mode,
   1.broker1 was elected as master, broker2 was elected as slave.
   2.some topics and subscriptions were created to broker1.
   3.For some reason, broker2 was elected as master, then broker1 and broker2 
are all down, after broker1 restarted, we should find topics or subscription in 
master broker1.


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