I wonder if this is a problem with lost echo requests under load ...
Can you set up your environment to use out of band control?
My program runs about 15 mins, it processes some traces. Datapath
leaves at around 12 mins.
Current CPU load is around 30%, and hit 35% occasionally.
On Mon, Mar 1, 2010 at 9:59 PM, kk yap <[email protected]> wrote:
Just to be blunt. What is the CPU load of your HP?
Regards
KK
On 1 March 2010 21:42, Guanyao Huang <[email protected]> wrote:
Which part defines the time interval for this echo request? I guess
enlarger it will temporarily handle my problem.
On Mon, Mar 1, 2010 at 9:38 PM, kk yap <[email protected]> wrote:
Hi Guanyao,
NOX periodic checks if the switch is still alive by sending an echo
request. Basically, your switch did not reply. You should look at
the tcpdump to see if you can find the echo reply. If yes, bug people
in this list. If no, debug your switch.
Regards
KK
On 1 March 2010 21:34, Guanyao Huang <[email protected]> wrote:
Hi
Sorry to bother others.
In my program the datapath leaves network again. This time it seems a
little different:
00341|openflow|WARN:stream: no response to inactivity probe after 15
seconds, disconnecting
00342|nox|WARN:stream: disconnected (Protocol error)
Datapath leave, f7:ca:e4:00:01:90
00343|bindings_storage|ERR:NDB error on get_locnames_cb (ok if
transient): Can't find specified row
00344|openflow|WARN:stream: no response to inactivity probe after 15
seconds, disconnecting
00345|nox|WARN:stream: disconnected (Protocol error)
Datapath leave, f7:ca:e4:00:01:2c
00346|openflow|WARN:stream: no response to inactivity probe after 15
seconds, disconnecting
00347|nox|WARN:stream: disconnected (Protocol error)
Datapath leave, f7:ca:e4:00:00:c8
I am wondering what is this 15 second probe.
Thanks.
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