What does ignore DB mean in MySQL replication?
Each Slave will receive the full binary log, but will only replicate changes related to the selected databases (i.e. databases not excluded by replicate-ignore-db — this list would be different on each Slave). ( mysql database being a system database, it should be ignored from both ends, unless you really, really really know what you are doing).
How to use replication filters in MySQL read replicas?
You can use replication filters to specify which databases and tables are replicated with a read replica. Replication filters can include databases and tables in replication or exclude them from replication. The following are some use cases for replication filters: To reduce the size of a read replica.
What does replicate rewrite DB do in MySQL?
REPLICATE_REWRITE_DB: Perform updates on replica after substituting new name on replica for specified database on source. Equivalent to –replicate-rewrite-db . The precise effects of REPLICATE_DO_DB and REPLICATE_IGNORE_DB filters are dependent on whether statement-based or row-based replication is in effect.
What does binlog ignore DB do in MySQL?
binlog-ignore-db is a master-side setting, it tells the Master not to log changes taking place on the listed DB. replicate-ignore-db is a slave-side setting, it tells the Slave to ignore incoming log information related to the listed DB
Is it possible to ignore an error in replication?
You can ignore only the current error and continue the replication process. First, do you really want to ignore errors? If you get an error, it is likely that the data is not in sync any more. Perhaps what you want is to drop the slave database and restart the sync process when you get an error.
How to troubleshoot replication errors in SQL Server?
Troubleshooting replication errors can be frustrating without a basic understanding of how transactional replication works. The first step in creating a publication is having the Snapshot Agent create the snapshot and save it to the snapshot folder. Next, the Distribution Agent applies the snapshot to the subscriber.
Can you ignore errors in MySQL binary log replication?
Yes, with –slave-skip-errors=xxx in my.cnf, where xxx is ‘all’ or a comma sep list of error codes. You can ignore only the current error and continue the replication process. First, do you really want to ignore errors?