If you see a dip in Eventlogging schema metrics
(
https://grafana.wikimedia.
org/dashboard/db/eventlogging-schema?orgId=1) it will be
my fault :)
To be super clear: the host will stop consuming for as long as it is being
rebooted, it iwll pick up past data once it comes back online.
On Mon, Jan 15, 2018 at 5:38 AM, Luca Toscano <ltoscano(a)wikimedia.org>
wrote:
Hi everybody,
I am about to reboot eventlog1001 for kernel upgrades. This host runs all
the Eventlogging daemons that pull data from Kafka, elaborate it and then
push to Mysql. The maintenance is needed to deploy the new Linux Kernel
that fixes the Meltdown vulnerability.
If you see a dip in Eventlogging schema metrics (
https://grafana.wikimedia.org/dashboard/db/eventlogging-schema?orgId=1)
it will be my fault :)
Thanks!
Luca (on behalf of the Analytics team)
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