On Sunday 10 February 2002 06:06 pm, Jeremy Zawodny wrote:
> One question:
> 
> ? Can you explain the relay log a bit. ?Does it shrink eventually? ?I
> ? see it growing and growing, so I don't know if the space is
> ? recycled, or if I need to do something to periodically flush the
> ? executed queries from the log.

Relay log rotates once a written event pushes it over max_binlog_size in the 
I/O thread, and the SQL thread deletes a processed relay log when switching 
to the next one. So if it works without bugs, you can just leave it 
unattended and it should take care of itself.

> 
> Okay, a second question:
> 
> ? How can I control where the relay log goes? ?I always have my binlog
> ? go to a special directory on a different disk from my active tables.
> ? I'd like to do something similar for the relay log.

relay-log=/path/to/relay-log similar to log-bin=

Relay log in essence is just another binary log, and most of the code is 
reused from the log-bin.

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