Repository server log file grows too big

For last two weeks I found the log file in the repository server grows
too big like 600Mb a day.
In the config file the debug level was 6 and even if I changed this to 1
it still grows the same.
Is there anything more I can try?

Hi has any one got a solution to this as there seems to be no obvious options beyond changing the log level.

Is there any way to limit the log file size for server.log and error.log?