Hi all, I am looking to upgrade to MySQL 4.0.13 on a Solaris production 
server, and would like to install and test 4.0.13 without disturbing the 
existing 4.0.2 server, so that there will be minimal downtime when actually 
upgrading the production system. 
So, i should be able to compile 4.0.13 without any problems, by just havnig a 
different base directory. But, by default, MySQL reads /etc/my.cnf at 
startup, so im wondering if i'll need to switch out the /etc/my.cnf files 
depending on which server I'm starting. 
Also, since client programs get options from that same file, it appears that 
there will be a problem running them both concurrently, because when a client 
connects, it will need to read the proper my.cnf, and if i have different 
clients connecting to each server i'd need to keep switching the files, but i 
cant realistically know in advance when clients are connecting to which 
server, so this will not work properly. 
Can i compile mysql with a different configuration so that it reads the 
default my.cnf from somewhere else, say /sandbox/etc/my.cnf for instance?

Any other problems with running concurrent MySQL servers on the same machine?

thanks much
sean peters
[EMAIL PROTECTED]


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