Thanks for the confirmation Dan, I will look a little closer but I could have sworn when I shutdown MySQL about 300MB of memory got freed.
I had a suspicion the case was one process and ps/top could not distinguish...I just needed to hear confirmation of it I guess. -Dave > In the last episode (Jul 03), Dave said: > > Hello all, > > > > I have mysql running on a 2.4.18 kernel: > > > > /usr/libexec/mysqld Ver 3.23.49 for redhat-linux-gnu on i386 > > > > and note that one started about 4 processes (threads?) began to > > handle the various signal/table tasks and such. After several random > > queries the process list grows accordingly. > > > > After a couple hours all processes which showed consumption of about > > 8MB of memory initially are now 25MB each and growing as queries are > > received. > > > > My question is...Why if these are threads does it require each thread > > to utilize so much memory? 4 threads using 10MB each is ok, 10 > > threads using 10MB each is ok. 20 threads using 25MB each is too > > much. > > No. Threads share the same address space. You are seeing one threaded > application consuming 25MB. Linux's threads implentation creates a > separate process for each thread and top has no idea they're really all > one application. Linux is the only OS that does this, afaik, and you > would not believe the number of times your question has been asked on > this list. On Solaris and Tru64, at least, a threaded app shows up as > one entry in top. > > -- > Dan Nelson > [EMAIL PROTECTED] > > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail <[EMAIL PROTECTED]> > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
