we have slave follow master. in near future, master shut down , current slave become new master.
after becoming master, how can undo change master master_host='master'... sql statement executed on slave?
can execute stop slave; curious know how cancel , undo change master master_host='master'... .
no need undo change master info not impact anything. if still want removing details can set values blank. or remove master.info file , restart mysql. or direct command is:
reset slave: 
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