Hi,
Ia m using Rdhat 7.3 kernel 2.4.18-3custom for my firewall, suddenly its
taking lot of memory, after that its not releasing. I ran the following
script to monitor the memory usage.
Morning 3 to 4 its taking all the memory.
please help me on this.
Thanks
script:
---------
date; uptime ; wc -l /proc/net/ip_conntrack; free -m
+++++++++++++++++++++++++++++++++++++++
Fri Nov 8 03:47:00 EST 2002
3:47am up 7:04, 0 users, load average: 0.00, 0.00, 0.00
176 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 47 201 0 16 19
-/+ buffers/cache: 10 237
Swap: 251 0 251
========================================
Fri Nov 8 04:47:00 EST 2002
4:47am up 8:04, 0 users, load average: 0.02, 0.01, 0.09
140 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 232 16 0 8 161
-/+ buffers/cache: 62 185
Swap: 251 0 251
++++++++++++++++++++++++++++++
Result:
====
9:51pm up 1:09, 1 user, load average: 0.00, 0.00, 0.00
187 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 44 203 0 15 17
-/+ buffers/cache: 11 237
Swap: 251 0 251
Thu Nov 7 22:47:00 EST 2002
10:47pm up 2:04, 0 users, load average: 0.00, 0.00, 0.00
209 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 45 203 0 15 18
-/+ buffers/cache: 10 238
Swap: 251 0 251
========================================
Thu Nov 7 23:47:00 EST 2002
11:47pm up 3:04, 0 users, load average: 0.00, 0.00, 0.00
202 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 45 203 0 16 18
-/+ buffers/cache: 10 238
Swap: 251 0 251
========================================
Fri Nov 8 00:47:00 EST 2002
12:47am up 4:04, 0 users, load average: 0.00, 0.00, 0.00
163 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 46 202 0 16 19
-/+ buffers/cache: 10 237
Swap: 251 0 251
========================================
Fri Nov 8 01:47:00 EST 2002
1:47am up 5:04, 0 users, load average: 0.00, 0.00, 0.00
178 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 46 201 0 16 19
-/+ buffers/cache: 10 237
Swap: 251 0 251
========================================
Fri Nov 8 02:47:01 EST 2002
2:47am up 6:04, 0 users, load average: 0.00, 0.00, 0.00
192 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 46 201 0 16 19
-/+ buffers/cache: 10 237
Swap: 251 0 251
========================================
Fri Nov 8 03:47:00 EST 2002
3:47am up 7:04, 0 users, load average: 0.00, 0.00, 0.00
176 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 47 201 0 16 19
-/+ buffers/cache: 10 237
Swap: 251 0 251
========================================
Fri Nov 8 04:47:00 EST 2002
4:47am up 8:04, 0 users, load average: 0.02, 0.01, 0.09
140 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 232 16 0 8 161
-/+ buffers/cache: 62 185
Swap: 251 0 251
========================================
Fri Nov 8 05:47:00 EST 2002
5:47am up 9:04, 0 users, load average: 0.00, 0.00, 0.00
198 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 232 16 0 8 161
-/+ buffers/cache: 62 185
Swap: 251 0 251
========================================
Fri Nov 8 06:47:00 EST 2002
6:47am up 10:04, 0 users, load average: 0.00, 0.00, 0.00
199 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 234 13 0 9 161
-/+ buffers/cache: 64 184
Swap: 251 0 251
========================================
Fri Nov 8 07:47:00 EST 2002
7:47am up 11:04, 0 users, load average: 0.00, 0.00, 0.00
162 /proc/net/ip_conntrack
total used free shared buffers cached
Mem: 248 233 15 0 9 161
-/+ buffers/cache: 62 185
Swap: 251 0 251
========================================
