The Ultimate Guide to High Availability with MariaDB

figuring out which binary logs of master are applied on slaves from the master itself

Hello everybody!!

We have set up a replication and need to figure out which binary logs are received by slave completely to be able to purge the binary logs on master safely periodically. (like every hour). The aim is to find out this information on master without using "mysql -h Slave_IP -u <user> -p<pass>" meaning we cannot connect from master to slave's database engine. Does master keep such information and can we figure this out from master alone? I appreciate your help.

Best regards, Ali

Answer Answered by Daniel Black in this comment.

No, the master doesn't store this information. The information available on the master is SHOW REPLICA HOSTS.

note binlog_expire_logs_seconds was added in 10.6

An option to look at might be MaxScale's binlog router or Semisync replication.

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