Giovanni Tirloni wrote:
On Mon, May 3, 2010 at 11:52 PM, Giovanni Tirloni
<[email protected] <mailto:[email protected]>> wrote:
On Mon, May 3, 2010 at 11:39 PM, Yun Zhou <[email protected]
<mailto:[email protected]>> wrote:
Giovanni Tirloni wrote:
On Mon, May 3, 2010 at 11:07 PM, Yun Zhou
<[email protected] <mailto:[email protected]>
<mailto:[email protected]
<mailto:[email protected]>>> wrote:
Can you please preload libumem to diagnose the memory leak
problem? I think the below should do the trick:
# svcadm disable svc:/network/datalink-management:default
# export LD_PRELOAD=libumem.so
# export UMEM_DEBUG=default
# /sbin/dlmgmtd -d 10 &
# mdb -p `pgrep dlmgmtd`
> ::findleaks
# LD_PRELOAD=libumem.so UMEM_DEBUG=default /sbin/dlmgmtd -d 10
# while [ 1 ]; do dladm show-ether; dladm show-phys; dladm
show-link; dladm show-aggr; sleep 1; done
It iterated 100 times and then I fired up mdb (which had
the effect of making dladm wait):
# mdb -p 13859
Loading modules: [ ld.so.1 libumem.so.1 libavl.so.1 ]
> ::findleaks
findleaks: no memory leaks detected
Hmm, it does not report any memory leak problem. Do you still
see dlmgmtd uses a lot of memory?
No, it doesn't seem to be growing right now.
We have Zabbix hammering the servers with `dladm show-ether` since
a few days ago and they all stopped working between yesterday and
today. I restarted dlmgmtd in a few servers and we should be able
to see if they break again in a few days.
After 10 hours up it's using over 250MB of memory.
Can you post the ::findleaks output now to see whether this is memory leaks?
On other servers that don't have `dladm show-ether` running all the
time, it consumes 3-5MB.
Is there another reason for the memory usage besides memory links ?
I cannot see any. It is possibly a memory leak problem.
Thanks
- Cathy
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