From: Derek Gatherer (d.gatherer@vir.gla.ac.uk)
Date: Fri Feb 20 2004 - 09:31:36 EST
Again thanks for the replies - the consensus is that I am still not
provinding enough info. To rectify that, here is vmstat showing what
happens at the point of application crash. The memory-hungry app goes up
and down at about the point 619 appears in the cow column. top is too slow
to capture the event.
> vmstat 1
Virtual Memory Statistics: (pagesize = 8192)
procs memory pages intr cpu
r w u act free wire fault cow zero react pin pout in sy cs us
sy id
3 156 38 21K 3207 5811 456K 70K 257K 0 77K 0 37 671 355
28 1 71
3 156 38 21K 3206 5811 2 15 21 0 28 0 27 70
307 0 0 100
3 156 38 21K 3206 5811 0 0 0 0 0 0 25 59
315 0 0 100
5 154 38 21K 3206 5811 0 0 0 0 0 0 57 354 352
88 0 12
3 156 38 21K 3206 5811 0 0 0 0 0 0 66 227 416
16 1 84
3 156 38 21K 3152 5819 619 0 0 0 0 0
599 1K 1K 5 5 91
3 156 38 21K 3152 5819 0 39 150 0 64 0 49 96
358 0 0 100
3 156 38 21K 3151 5820 0 0 0 0 0 0 4 35
265 0 0 100
5 154 38 21K 3151 5820 0 0 0 0 0 0 34 135
335 0 0 100
Here are 2 other relevant things.
> ulimit -a
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) 131072
stack(kbytes) 8192
memory(kbytes) 243792
coredump(blocks) unlimited
nofiles(descriptors) 4096
vmemory(kbytes) 4194304
> sysconfig -q proc
proc:
max_proc_per_user = 512
max_threads_per_user = 1024
per_proc_stack_size = 8388608
max_per_proc_stack_size = 33554432
per_proc_data_size = 134217728
max_per_proc_data_size = 1073741824
max_per_proc_address_space = 4294967296
per_proc_address_space = 4294967296
executable_stack = 0
autonice = 0
autonice_time = 600
autonice_penalty = 4
open_max_soft = 4096
open_max_hard = 4096
ncallout_alloc_size = 8192
round_robin_switch_rate = 0
sched_min_idle = 0
give_boost = 1
maxusers = 256
num_wait_queues = 256
num_timeout_hash_queues = 256
enhanced_core_name = 0
enhanced_core_max_versions = 16
exec_disable_arg_limit = 0
dump_cores = 1
dump_setugid_cores = 0
_________________________
Derek Gatherer Ph.D. Cert.Ed.
Computer Officer
Institute of Virology
Church St.
Glasgow G11 5JR
Phone: +44 141 330 6268
Fax: +44 141 337 2236
Email: d.gatherer@vir.gla.ac.uk
Website: http://www.vir.gla.ac.uk
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