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View Full Version : higher load after upgrade to sles11 sp2



gehorvath
03-Aug-2012, 09:16
Hi,
recently I upgraded a few sles11 sp1 servers to sp2. Everything went fine, but after the upgrade the load got higher on the servers.

http://www.image-share.com/upload/1650/205.png

Linux nagios 3.0.34-0.7-xen #1 SMP Tue Jun 19 09:56:30 UTC 2012 (fbfc70c) x86_64 x86_64 x86_64 GNU/Linux

This server has also a lot of dropped packets since the upgrade.


nagios:/etc/nagios/objects # ifconfig
eth0 Link encap:Ethernet HWaddr 00:16:3E:41:95:DB
inet addr:10.9.33.140 Bcast:10.9.47.255 Mask:255.255.240.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:189223 errors:0 dropped:26942 overruns:0 frame:0
TX packets:113912 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:52816420 (50.3 Mb) TX bytes:12803207 (12.2 Mb)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:839 errors:0 dropped:0 overruns:0 frame:0
TX packets:839 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:78326 (76.4 Kb) TX bytes:78326 (76.4 Kb)

Has anybody observed such behavior?

Any ideas how to fix this?

TIA,
Gellert

malcolmlewis
03-Aug-2012, 15:55
Hi,
recently I upgraded a few sles11 sp1 servers to sp2. Everything went
fine, but after the upgrade the load got higher on the servers.

[image: http://www.image-share.com/upload/1650/205.png]

Linux nagios 3.0.34-0.7-xen #1 SMP Tue Jun 19 09:56:30 UTC 2012
(fbfc70c) x86_64 x86_64 x86_64 GNU/Linux

This server has also a lot of dropped packets since the upgrade.


Code:
--------------------
nagios:/etc/nagios/objects # ifconfig
eth0 Link encap:Ethernet HWaddr 00:16:3E:41:95:DB
inet addr:10.9.33.140 Bcast:10.9.47.255 Mask:255.255.240.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:189223 errors:0 dropped:26942 overruns:0 frame:0
TX packets:113912 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:52816420 (50.3 Mb) TX bytes:12803207 (12.2 Mb)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:839 errors:0 dropped:0 overruns:0 frame:0
TX packets:839 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:78326 (76.4 Kb) TX bytes:78326 (76.4 Kb)
--------------------


Has anybody observed such behavior?

Any ideas how to fix this?

TIA,
Gellert



Hi
Have you seen this thread about dropped packets?
http://forums.suse.com/showthread.php?t=1320

Have you looked in /var/log, is a log file increasing, also run top to
see what's running. Maybe vmstat or iostat to see if it's disk related.

--
Cheers Malcolm °¿° (Linux Counter #276890)
SUSE Linux Enterprise Desktop 11 (x86_64) Kernel 3.0.34-0.7-default
up 5 days 11:26, 4 users, load average: 0.21, 0.41, 0.36
CPU Intel i5 CPU M520@2.40GHz | Intel Arrandale GPU

gehorvath
04-Aug-2012, 21:00
Hi,
thank you for the forum thread, i will monitor it. It is good to see, that i am not alone with this problem.
There is nothing in the logs, vmstat, iostat, top is normal. Nothing eats up cpu, memory or disk.
Gellert