DragonFly kernel List (threaded) for 2009-12
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Re: kernel leaking memory somewhere
Hi guys,
This is TOP output on FBSD 7 box that runs the same software as the DF
box. Actually the FBSD box also runs MySQL and Ruby on Rails!
last pid: 60325; load averages: 0.00, 0.00, 0.00
up 57+13:36:12 08:11:43
79 processes: 1 running, 78 sleeping
CPU: 0.0% user, 0.0% nice, 0.9% system, 0.0% interrupt, 99.1% idle
Mem: 294M Active, 1906M Inact, 401M Wired, 30M Cache, 399M Buf, 1314M Free
Swap: 4096M Total, 16K Used, 4096M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
669 root 1 44 0 119M 99M select 1 382:26 0.00% snmpd
844 nobody 1 4 0 7796K 2260K kqread 0 1:59 0.00% memcached
941 root 1 44 0 22880K 2840K select 3 1:44 0.00% sshd
543 root 1 44 0 5692K 1172K select 2 0:26 0.00% syslogd
817 root 1 4 0 5808K 1420K kqread 0 0:16 0.00% master
85668 pgsql 1 44 0 1027M 52340K select 2 0:16 0.00% postgres
948 root 1 8 0 6748K 1200K nanslp 1 0:15 0.00% cron
85671 pgsql 1 44 0 22576K 5784K select 1 0:13 0.00% postgres
825 postfix 1 4 0 5808K 1544K kqread 2 0:11 0.00% qmgr
85669 pgsql 1 44 0 1027M 6972K select 2 0:09 0.00% postgres
85666 pgsql 1 44 0 1027M 5892K select 2 0:08 0.00% postgres
85670 pgsql 1 44 0 1028M 6132K select 2 0:07 0.00% postgres
42312 www 1 20 0 143M 19380K lockf 0 0:02 0.00% httpd
44595 www 1 20 0 143M 19320K lockf 1 0:02 0.00% httpd
42299 root 1 44 0 141M 16304K select 0 0:02 0.00% httpd
899 mysql 9 20 0 61608K 26156K sigwai 2 0:01 0.00% mysqld
612 bind 7 4 0 21420K 14620K kqread 1 0:01 0.00% named
42914 www 1 20 0 143M 19236K lockf 0 0:01 0.00% httpd
42313 www 1 20 0 143M 19240K lockf 1 0:01 0.00% httpd
45188 www 1 20 0 143M 19236K lockf 2 0:01 0.00% httpd
44007 www 1 20 0 143M 19172K lockf 0 0:00 0.00% httpd
41418 sysadmin 1 44 0 33772K 3836K select 2 0:00 0.00% sshd
45711 www 1 20 0 141M 16800K lockf 0 0:00 0.00% httpd
41426 root 1 5 0 10108K 2588K ttyin 0 0:00 0.00% csh
45712 www 1 4 0 141M 16824K kqread 0 0:00 0.00% httpd
48958 www 1 20 0 141M 16808K lockf 3 0:00 0.00% httpd
45966 www 1 20 0 141M 16784K lockf 1 0:00 0.00% httpd
60230 root 1 4 0 33772K 3876K sbwait 0 0:00 0.00% sshd
41415 root 1 4 0 33772K 3848K sbwait 2 0:00 0.00% sshd
58813 postfix 1 4 0 5808K 1444K kqread 2 0:00 0.00% pickup
60237 sysadmin 1 20 0 10108K 2448K pause 2 0:00 0.00% tcsh
832 mysql 1 8 0 7064K 1216K wait 2 0:00 0.00% sh
41420 sysadmin 1 20 0 10108K 2604K pause 2 0:00 0.00% tcsh
60242 root 1 20 0 10108K 2388K pause 2 0:00 0.00% csh
60235 sysadmin 1 44 0 33772K 3864K select 1 0:00 0.00% sshd
993 root 1 5 0 5688K 1016K ttyin 1 0:00 0.00% getty
996 root 1 5 0 5688K 1016K ttyin 0 0:00 0.00% getty
60241 sysadmin 1 8 0 20440K 1588K wait 0 0:00 0.00% su
41425 sysadmin 1 8 0 20440K 1588K wait 0 0:00 0.00% su
As you can see the active memory here is 294MB.
While on DragonFly:
load averages: 0.00, 0.02, 0.00; up 0+20:31:39
08:13:24
49 processes: 49 running
CPU states: 0.0% user, 0.0% nice, 0.6% system, 0.0% interrupt, 99.4% idle
Memory: 1213M Active, 1836M Inact, 320M Wired, 25M Cache, 199M Buf, 114M Free
Swap: 4096M Total, 2692K Used, 4093M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND
1756 pgsql 152 0 833M 13M select 1 0:09 0.00% 0.00% postgres
1757 pgsql 152 0 833M 8324K select 0 0:08 0.00% 0.00% postgres
1759 pgsql 152 0 8536K 1252K poll 3 0:04 0.00% 0.00% postgres
1758 pgsql 152 0 833M 1724K select 3 0:02 0.00% 0.00% postgres
712 root 152 0 7880K 712K select 0 0:02 0.00% 0.00% httpd
677 root 152 0 5484K 1600K select 2 0:01 0.00% 0.00% sendmail
1754 pgsql 153 0 832M 3204K select 0 0:00 0.00% 0.00% postgres
578 root 152 0 2276K 680K nanslp 1 0:00 0.00% 0.00% dntpd
897 sysadmin 152 0 7800K 888K select 3 0:00 0.00% 0.00% sshd
1638 root 152 0 928K 4K nfsd 3 0:00 0.00% 0.00% nfsd
464 root 152 0 2864K 516K poll 1 0:00 0.00% 0.00% rpcbind
903 root 152 0 3968K 660K ttyin 0 0:00 0.00% 0.00% csh
663 root 152 0 4984K 836K select 3 0:00 0.00% 0.00% sshd
331 root 152 0 1756K 608K select 3 0:00 0.00% 0.00% syslogd
696 root 152 0 2556K 820K nanslp 3 0:00 0.00% 0.00% cron
895 root 157 0 7928K 788K sbwait 2 0:00 0.00% 0.00% sshd
6325 root 152 0 7928K 2712K sbwait 0 0:00 0.00% 0.00% sshd
1417 root 152 0 2396K 4K select 0 0:00 0.00% 0.00% mountd
6350 root 152 0 3644K 1544K CPU1 1 0:00 0.00% 0.00% top
1637 root 152 0 1720K 40K select 3 0:00 0.00% 0.00% nfsd
6333 sysadmin 154 0 2904K 1380K wait 1 0:00 0.00% 0.00% su
6334 root 153 0 3484K 1296K pause 0 0:00 0.00% 0.00% csh
801 root 153 0 2936K 576K wait 3 0:00 0.00% 0.00% login
822 root 152 0 3740K 284K ttyin 2 0:00 0.00% 0.00% csh
898 sysadmin 165 0 3612K 284K pause 3 0:00 0.00% 0.00% tcsh
804 root 159 0 1804K 464K ttyin 2 0:00 0.00% 0.00% getty
6328 sysadmin 153 0 3612K 1308K pause 0 0:00 0.00% 0.00% tcsh
681 smmsp 153 0 5356K 916K pause 2 0:00 0.00% 0.00% sendmail
6327 sysadmin 152 0 7800K 2000K select 2 0:00 0.00% 0.00% sshd
902 sysadmin 156 0 2904K 576K wait 2 0:00 0.00% 0.00% su
The difference is clear. The 2 servers have same amount of physical memory.
Im gonna try the memory program, but Im telling you all I really need to
do is start doing some heavy IO and get those postgres processes going
(they usually only use about 30MB RES memory) and the box starts swapping.
Petr
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