Date: Mon, 10 Jul 2006 18:07:32 -0700 From: Paul Allen <nospam@ugcs.caltech.edu> To: Mike Jakubik <mikej@rogers.com> Cc: stable@freebsd.org Subject: Re: MySQL and default memory limits (mysqld: Out of memory) Message-ID: <20060711010732.GC12597@groat.ugcs.caltech.edu> In-Reply-To: <44B28B7F.1000507@rogers.com> References: <44B16BE9.60508@rogers.com> <E56FEA0F58A776685B3AB5DF@[192.168.1.5]> <44B176D2.3080501@rogers.com> <44B276F7.4070507@mac.com> <44B28B7F.1000507@rogers.com>
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>From Mike Jakubik <mikej@rogers.com>, Mon, Jul 10, 2006 at 01:16:47PM -0400: > Chuck Swiger wrote: > >512MB is more than enough for almost all processes to run just fine, > >and is only really inappropriate for the case where you've got 1-plus > >GB of physical RAM and want to dedicate the system to a single large > >task, or perhaps a single-digit number of processes if you've got > >several GB of physical RAM. > > > > Such as a database server. I just think it would be nicer if this limit > was dynamically set, based on your configuration. Just like MAXUSERS was > a kernel variable, it is now dynamically set based on your resources. This is nonsense. maxdsiz is not related to rlimit per se. There is no way to examine a system's hardware to pick this value. The proper value depends entirely on whether your programs place more load on brk or mmap. > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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