Date: Mon, 16 Jul 2001 14:58:18 -0400 (EDT) From: Kenneth Wayne Culver <culverk@wam.umd.edu> To: Joe <joe@fasti.net> Cc: Rob <rob@breakbeat.net>, freebsd-questions@FreeBSD.ORG Subject: Re: Inactive/leak memory Message-ID: <Pine.GSO.4.21.0107161450400.2151-100000@rac2.wam.umd.edu> In-Reply-To: <Pine.BSF.4.21.0107161429270.64178-100000@gateway.fasti.net>
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So basically to sum it all up, its supposed to work that way. Ken On Mon, 16 Jul 2001, Joe wrote: > > > On Mon, 16 Jul 2001, Rob wrote: > > > Hi, > > > > I'm running 4.3 on a dual P3-550, with 1Gb RAM, and have been noticing odd > > reports in the 'top' values. After a reboot, the server slowly begins to lose > > memory from the free column into the inactive column, resulting in a bizarre set > > of values. > > This server is a live webserver, running Apache, with PHP and PostgreSQL. The > > laods are fairly low, and since I've had this box constantly CVSupped, with the > > latest updates to the webserver etc, I'm pretty stumped as to why this situation > > is happening. > > > > Here's the top part of the top output, after only 15 days of uptime: > > > > last pid: 99471; load averages: 0.56, 0.24, 0.13 > > up 15+21:26:00 17:13:02 > > 50 processes: 1 running, 49 sleeping > > CPU states: 1.9% user, 0.0% nice, 1.4% system, 0.4% interrupt, 96.3% idle > > Mem: 22M Active, 668M Inact, 87M Wired, 152K Cache, 112M Buf, 227M Free > > Swap: 512M Total, 512M Free > > > > PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND > > 189 pgsql 2 0 4408K 1552K select 1 11:36 0.00% 0.00% postgres > > 207 root 2 0 4856K 4012K select 1 4:43 0.00% 0.00% httpd > > 72058 www 2 0 5252K 4624K sbwait 1 0:55 0.00% 0.00% httpd > > 79544 www 18 0 5300K 4584K lockf 0 0:35 0.00% 0.00% httpd > > 80731 www 2 0 5184K 4488K sbwait 1 0:35 0.00% 0.00% httpd > > 80748 www 2 0 5168K 4536K sbwait 1 0:35 0.00% 0.00% httpd > > 85255 www 18 0 5176K 4544K lockf 0 0:26 0.00% 0.00% httpd > > 154 root 2 0 1256K 884K select 1 0:26 0.00% 0.00% sshd1 > > 147 root 10 0 968K 736K nanslp 0 0:07 0.00% 0.00% cron > > 150 root 2 0 2484K 2036K select 0 0:06 0.00% 0.00% sendmail > > 124 root 2 0 924K 612K select 1 0:05 0.00% 0.00% syslogd > > 95582 www 2 0 5244K 4604K sbwait 1 0:04 0.00% 0.00% httpd > > 95470 www 2 0 5068K 4368K sbwait 1 0:04 0.00% 0.00% httpd > > 98534 www 2 0 5076K 4432K sbwait 0 0:01 0.00% 0.00% httpd > > 194 root 2 0 1236K 888K select 0 0:01 0.00% 0.00% sshd1 > > > > This seems to happen slowly, until it reaches about 20M Free, upon which I tend > > to reboot. > > > > Any ideas? I thought that perhaps as inactive memory is still available to the > > system if needed that it might be okay to leave it, but a explanation may put my > > heart at rest.. > > > > Rob. > > -- > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > > Memory requests will use inactive memory if there is no free memory, > unless, the request for memory is already stored in the inactive memory > which, at that point, it will use it. > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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