These buffers store the log on the master side before it is shipped to the slave. There is a total of 10 such buffers.
Large buffers increase memory usage but reduce the chance that the buffers
will fill up (in turn increasing response time for transactions on the master,
as described in the failure situation "The master
You can also use the properties
8192 (8 KB).
The maximum value is 1048576 (1 MB).
32768 bytes (32KB).
This property is static; if you change it while