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High CPU usage after 1.2.0-rc #6857
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@miv Are your logs continuously spitting out What's your deployment look like (roughly)?
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@cjellick It has not calmed down :( Here's full rancher server log - https://gist.github.com/miv/959145626e3c044eafd5212dcdc16b5f We have 1 environment EDIT: updated logs |
@cjellick This is a m4.large for instance and db.t2.medium for rds mysql. I have a theory that using all those prereleases took a toll on database structure. I think to recreate everything from scratch using export of all environment, and using more potent instances. |
@miv were your hosts showing as reconnecting in the UI? looks like your hosts were having trouble... Understandably you might have scratched the deployment and started over. If thats the case lets close this for now. |
@aemneina Well, after upgrade to full release, it still was working weird. But, after deleting hosts and adding again to rancher (and rebooting them) they seem to be working fine and cpu is normal now. Thou it's still doing something weird every 5 minutes mark - http://monosnap.com/image/6sS0T2CzE5acnCE2VEOY8Vkh6IidtJ |
it would be good to see what logs correlate with those spikes. I'd imagine its something mundane, like a periodic host polling. |
@aemneina There is nothing in the logs on every 5 minutes mark but there is something, BTW Is there a way do decipher who is this host BTW2: Can i launch server in sql-debug mode? Such that it would show sql parameters, and would be able to debug this message Logs:
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you should be able to query the db, host or agent table, there you'll find an entry matching that uuid. |
@miv how do your hosts look, in the hosts tab? Are they all active? |
To test, on upgraded setup, any table prefixed with |
Tested with upgrading from rancher-server version 1.1.4 - v1.2.1-rc3 After upgrade , all the existing entries from network_service_provider_instance_map and network_service_provider get deleted. |
After upgrading to 1.2.0-rc1 and beyond (from 1.2.0-pre6) cpu usage skyrocketed: http://monosnap.com/image/tAsPZJZiVSNaSciz8dWUkOfaAb9H5K
Logs from server: https://gist.github.com/miv/fe7e088e9426d06662eaec08c4a2b43d
View from inside container:
Is there a way to profile what's going?
v1.2.0-rc3
Cattle:v0.174.2
UI:v1.2.34
localauth
admin
Cattle
service.containers
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