Hi,

I see the active ovn-northd takes much CPU (30% - 100%) when there is no
configuration from OpenStack, nothing happening on all chassis nodes either.

Is this expected? What is it busy with?

========
2020-07-31T23:08:09.511Z|04267|poll_loop|DBG|wakeup due to [POLLIN] on fd 8 
(10.6.20.84:44358<->10.6.20.84:6641) at lib/stream-fd.c:157 (68% CPU usage)
2020-07-31T23:08:09.512Z|04268|jsonrpc|DBG|tcp:10.6.20.84:6641: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:09.512Z|04269|jsonrpc|DBG|tcp:10.6.20.84:6641: send reply, 
result=[], id="echo"
2020-07-31T23:08:12.777Z|04270|poll_loop|DBG|wakeup due to [POLLIN] on fd 9 
(10.6.20.84:49158<->10.6.20.85:6642) at lib/stream-fd.c:157 (34% CPU usage)
2020-07-31T23:08:12.777Z|04271|reconnect|DBG|tcp:10.6.20.85:6642: idle 5002 ms, 
sending inactivity probe
2020-07-31T23:08:12.777Z|04272|reconnect|DBG|tcp:10.6.20.85:6642: entering IDLE
2020-07-31T23:08:12.777Z|04273|jsonrpc|DBG|tcp:10.6.20.85:6642: send request, 
method="echo", params=[], id="echo"
2020-07-31T23:08:12.777Z|04274|jsonrpc|DBG|tcp:10.6.20.85:6642: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:12.777Z|04275|reconnect|DBG|tcp:10.6.20.85:6642: entering 
ACTIVE
2020-07-31T23:08:12.777Z|04276|jsonrpc|DBG|tcp:10.6.20.85:6642: send reply, 
result=[], id="echo"
2020-07-31T23:08:13.635Z|04277|poll_loop|DBG|wakeup due to [POLLIN] on fd 9 
(10.6.20.84:49158<->10.6.20.85:6642) at lib/stream-fd.c:157 (34% CPU usage)
2020-07-31T23:08:13.635Z|04278|jsonrpc|DBG|tcp:10.6.20.85:6642: received reply, 
result=[], id="echo"
2020-07-31T23:08:14.480Z|04279|hmap|DBG|Dropped 129 log messages in last 5 
seconds (most recently, 0 seconds ago) due to excessive rate
2020-07-31T23:08:14.480Z|04280|hmap|DBG|lib/shash.c:112: 2 buckets with 6+ 
nodes, including 2 buckets with 6 nodes (32 nodes total across 32 buckets)
2020-07-31T23:08:14.513Z|04281|poll_loop|DBG|wakeup due to 27-ms timeout at 
lib/reconnect.c:643 (34% CPU usage)
2020-07-31T23:08:14.513Z|04282|reconnect|DBG|tcp:10.6.20.84:6641: idle 5001 ms, 
sending inactivity probe
2020-07-31T23:08:14.513Z|04283|reconnect|DBG|tcp:10.6.20.84:6641: entering IDLE
2020-07-31T23:08:14.513Z|04284|jsonrpc|DBG|tcp:10.6.20.84:6641: send request, 
method="echo", params=[], id="echo"
2020-07-31T23:08:15.370Z|04285|poll_loop|DBG|wakeup due to [POLLIN] on fd 8 
(10.6.20.84:44358<->10.6.20.84:6641) at lib/stream-fd.c:157 (34% CPU usage)
2020-07-31T23:08:15.370Z|04286|jsonrpc|DBG|tcp:10.6.20.84:6641: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:15.370Z|04287|reconnect|DBG|tcp:10.6.20.84:6641: entering 
ACTIVE
2020-07-31T23:08:15.370Z|04288|jsonrpc|DBG|tcp:10.6.20.84:6641: send reply, 
result=[], id="echo"
2020-07-31T23:08:16.236Z|04289|poll_loop|DBG|wakeup due to 0-ms timeout at 
tcp:10.6.20.84:6641 (100% CPU usage)
2020-07-31T23:08:16.236Z|04290|jsonrpc|DBG|tcp:10.6.20.84:6641: received reply, 
result=[], id="echo"
2020-07-31T23:08:17.778Z|04291|poll_loop|DBG|wakeup due to [POLLIN] on fd 9 
(10.6.20.84:49158<->10.6.20.85:6642) at lib/stream-fd.c:157 (100% CPU usage)
2020-07-31T23:08:17.778Z|04292|jsonrpc|DBG|tcp:10.6.20.85:6642: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:17.778Z|04293|jsonrpc|DBG|tcp:10.6.20.85:6642: send reply, 
result=[], id="echo"
2020-07-31T23:08:20.372Z|04294|poll_loop|DBG|wakeup due to [POLLIN] on fd 8 
(10.6.20.84:44358<->10.6.20.84:6641) at lib/stream-fd.c:157 (41% CPU usage)
2020-07-31T23:08:20.372Z|04295|reconnect|DBG|tcp:10.6.20.84:6641: idle 5002 ms, 
sending inactivity probe
2020-07-31T23:08:20.372Z|04296|reconnect|DBG|tcp:10.6.20.84:6641: entering IDLE
2020-07-31T23:08:20.372Z|04297|jsonrpc|DBG|tcp:10.6.20.84:6641: send request, 
method="echo", params=[], id="echo"
2020-07-31T23:08:20.372Z|04298|jsonrpc|DBG|tcp:10.6.20.84:6641: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:20.372Z|04299|reconnect|DBG|tcp:10.6.20.84:6641: entering 
ACTIVE
2020-07-31T23:08:20.372Z|04300|jsonrpc|DBG|tcp:10.6.20.84:6641: send reply, 
result=[], id="echo"
2020-07-31T23:08:20.376Z|04301|hmap|DBG|Dropped 181 log messages in last 6 
seconds (most recently, 1 seconds ago) due to excessive rate
2020-07-31T23:08:20.376Z|04302|hmap|DBG|northd/ovn-northd.c:595: 2 buckets with 
6+ nodes, including 2 buckets with 6 nodes (256 nodes total across 256 buckets)
2020-07-31T23:08:21.222Z|04303|poll_loop|DBG|wakeup due to [POLLIN] on fd 8 
(10.6.20.84:44358<->10.6.20.84:6641) at lib/stream-fd.c:157 (41% CPU usage)
2020-07-31T23:08:21.223Z|04304|jsonrpc|DBG|tcp:10.6.20.84:6641: received reply, 
result=[], id="echo"
2020-07-31T23:08:22.779Z|04305|poll_loop|DBG|wakeup due to 706-ms timeout at 
lib/reconnect.c:643 (41% CPU usage)
2020-07-31T23:08:22.779Z|04306|reconnect|DBG|tcp:10.6.20.85:6642: idle 5001 ms, 
sending inactivity probe
2020-07-31T23:08:22.779Z|04307|reconnect|DBG|tcp:10.6.20.85:6642: entering IDLE
2020-07-31T23:08:22.779Z|04308|jsonrpc|DBG|tcp:10.6.20.85:6642: send request, 
method="echo", params=[], id="echo"
2020-07-31T23:08:23.632Z|04309|poll_loop|DBG|wakeup due to [POLLIN] on fd 9 
(10.6.20.84:49158<->10.6.20.85:6642) at lib/stream-fd.c:157 (79% CPU usage)
2020-07-31T23:08:23.632Z|04310|jsonrpc|DBG|tcp:10.6.20.85:6642: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:23.632Z|04311|reconnect|DBG|tcp:10.6.20.85:6642: entering 
ACTIVE
2020-07-31T23:08:23.632Z|04312|jsonrpc|DBG|tcp:10.6.20.85:6642: send reply, 
result=[], id="echo"
2020-07-31T23:08:24.481Z|04313|poll_loop|DBG|wakeup due to 0-ms timeout at 
tcp:10.6.20.85:6642 (79% CPU usage)
2020-07-31T23:08:24.481Z|04314|jsonrpc|DBG|tcp:10.6.20.85:6642: received reply, 
result=[], id="echo"
2020-07-31T23:08:25.372Z|04315|poll_loop|DBG|wakeup due to [POLLIN] on fd 8 
(10.6.20.84:44358<->10.6.20.84:6641) at lib/stream-fd.c:157 (79% CPU usage)
2020-07-31T23:08:25.372Z|04316|jsonrpc|DBG|tcp:10.6.20.84:6641: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:25.372Z|04317|jsonrpc|DBG|tcp:10.6.20.84:6641: send reply, 
result=[], id="echo"
2020-07-31T23:08:28.634Z|04318|poll_loop|DBG|wakeup due to [POLLIN] on fd 9 
(10.6.20.84:49158<->10.6.20.85:6642) at lib/stream-fd.c:157 (50% CPU usage)
2020-07-31T23:08:28.634Z|04319|reconnect|DBG|tcp:10.6.20.85:6642: idle 5002 ms, 
sending inactivity probe
2020-07-31T23:08:28.634Z|04320|reconnect|DBG|tcp:10.6.20.85:6642: entering IDLE
2020-07-31T23:08:28.634Z|04321|jsonrpc|DBG|tcp:10.6.20.85:6642: send request, 
method="echo", params=[], id="echo"
2020-07-31T23:08:28.634Z|04322|jsonrpc|DBG|tcp:10.6.20.85:6642: received 
request, method="echo", params=[], id="echo"
2020-07-31T23:08:28.634Z|04323|reconnect|DBG|tcp:10.6.20.85:6642: entering 
ACTIVE
2020-07-31T23:08:28.634Z|04324|jsonrpc|DBG|tcp:10.6.20.85:6642: send reply, 
result=[], id="echo"
2020-07-31T23:08:28.638Z|04325|hmap|DBG|Dropped 266 log messages in last 9 
seconds (most recently, 3 seconds ago) due to excessive rate
2020-07-31T23:08:28.638Z|04326|hmap|DBG|northd/ovn-northd.c:595: 2 buckets with 
6+ nodes, including 2 buckets with 6 nodes (256 nodes total across 256 buckets)
========

Thanks!

Tony

_______________________________________________
discuss mailing list
disc...@openvswitch.org
https://mail.openvswitch.org/mailman/listinfo/ovs-discuss

Reply via email to