On Saturday, August 10, 2002, at 07:01 PM, Michael Scottaline wrote:
> On Sat, 10 Aug 2002 18:43:12 -0700
> gene <[EMAIL PROTECTED]> scribbled intuitively:
>
>>
>> Does anyone have advice for tracking down a memory leak?
>>
>> I'm getting down to 2M of RAM. Running 'top' doesn't show anything
>> using much memory, and I've tried killing most of the running processes
>> but that doesn't help. I can only free up the memory by restarting my
>> server.
>>
>> I'm running kernel 2.4.7-12.3mdk.
>>
>> Any advice is appreciated.
> ========================
> What *exactly* is top reporting to you. You may not actually have a
> memory leak. Linux tends to view "unused" memory as "wasted" memory.
> Howmuch of that mem is actually "cached".
OK, here are the results of free and top. I can see that a lot of
memory is cached. So you're saying that the cached memory is actually
available?
> free -m
total used free shared buffers cached
Mem: 753 750 2 0 11 504
-/+ buffers/cache: 234 518
Swap: 784 0 784
> top
6:29pm up 23:15, 2 users, load average: 0.06, 0.18, 0.15
92 processes: 91 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: 6.2% user, 30.5% system, 0.0% nice, 63.1% idle
Mem: 771192K av, 768136K used, 3056K free, 116K shrd, 11384K
buff
Swap: 803176K av, 0K used, 803176K free 514912K
cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
26307 apache 9 0 14388 14M 2872 S 0.0 1.8 0:04 httpd-perl
26302 apache 9 0 14228 13M 2876 S 0.0 1.8 0:04 httpd-perl
26301 apache 9 0 14092 13M 2876 S 0.0 1.8 0:04 httpd-perl
26303 apache 9 0 14032 13M 2872 S 0.0 1.8 0:03 httpd-perl
26306 apache 9 0 14024 13M 2876 S 0.0 1.8 0:03 httpd-perl
26319 apache 9 0 13964 13M 2868 S 0.0 1.8 0:02 httpd-perl
26305 apache 9 0 13848 13M 2872 S 0.7 1.7 0:02 httpd-perl
26311 apache 9 0 13316 13M 2876 S 0.0 1.7 0:02 httpd-perl
26312 apache 9 0 13120 12M 2868 S 0.0 1.7 0:03 httpd-perl
2081 root 12 0 12980 12M 1848 S 5.0 1.6 28:25 server.pl
26318 apache 9 0 12836 12M 2872 S 0.0 1.6 0:02 httpd-perl
2240 mysql 9 0 5136 5136 2168 S 0.0 0.6 0:00 mysqld
2242 mysql 8 0 5136 5136 2168 S 0.0 0.6 0:00 mysqld
2243 mysql 9 0 5136 5136 2168 S 0.0 0.6 0:00 mysqld
2244 mysql 9 0 5136 5136 2168 S 0.0 0.6 0:00 mysqld
1443 root 9 0 3888 3888 1592 S 0.0 0.5 0:00 ntpd
1447 root 9 0 3888 3888 1592 S 0.0 0.5 0:00 ntpd
1452 root 9 0 3888 3888 1592 S 0.0 0.5 0:00 ntpd
1391 snort 9 0 3624 3624 1140 S 0.3 0.4 0:25 snort
1753 xfs 9 0 3448 3448 912 S 0.0 0.4 0:00 xfs
26270 root 8 0 3180 3180 2456 S 0.0 0.4 0:00 httpd-perl
1415 named 9 0 2912 2912 1768 S 0.0 0.3 0:00 named
1419 named 9 0 2912 2912 1768 S 0.0 0.3 0:00 named
1420 named 9 0 2912 2912 1768 S 0.0 0.3 0:08 named
1425 named 9 0 2912 2912 1768 S 0.0 0.3 0:00 named
1426 named 9 0 2912 2912 1768 S 0.0 0.3 0:01 named
26740 gene 9 0 2104 2104 1888 S 0.7 0.2 0:00 sshd
25221 gene 9 0 2036 2036 1652 S 0.0 0.2 0:00 imapsd
25222 admin 9 0 2012 2012 1648 S 0.0 0.2 0:00 imapsd
26738 root 9 0 1912 1912 1720 S 0.0 0.2 0:00 sshd
26299 apache 9 0 1788 1788 1488 S 0.0 0.2 0:00 httpd
26300 apache 9 0 1788 1788 1488 S 0.0 0.2 0:00 httpd
26304 apache 9 0 1784 1784 1488 S 0.0 0.2 0:00 httpd
26282 apache 9 0 1756 1756 1484 S 0.0 0.2 0:00 httpd
26308 apache 9 0 1748 1748 1484 S 0.0 0.2 0:00 httpd
26283 apache 9 0 1744 1744 1484 S 0.0 0.2 0:00 httpd
26293 apache 9 0 1744 1744 1484 S 0.0 0.2 0:00 httpd
26294 apache 9 0 1744 1744 1484 S 0.0 0.2 0:00 httpd
26295 apache 9 0 1744 1744 1484 S 0.0 0.2 0:00 httpd
26298 apache 9 0 1744 1744 1484 S 0.0 0.2 0:00 httpd
2131 root 8 0 1644 1644 1112 S 0.0 0.2 0:01 bash
26741 gene 9 0 1576 1576 1088 S 0.0 0.2 0:00 bash
26281 root 8 0 1448 1448 1272 S 0.0 0.1 0:00 httpd
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