Hi Lukas,


2016-03-24 11:15 GMT+01:00 Lukas Tribus <[email protected]>:

> > But CPU usage doubled ! I disabled it by adding again
> > "ssl-default-bind-options no-tls-tickets" and CPU usage returned to
> > normal.
>
> Ok, when you say CPU usage double do you mean the CPU usage after
> a reload/restart, or do you mean CPU usage in general (even after not
> reloading haproxy)?
>
CPU is at 100% just after reload for more than 30s (was a few seconds
before) and then CPU usage stays doubled all the time.



>
> > And /tmp/tls_ticket_keys generated with "openssl rand -base64 48"
> > called 3x + appended at each reload.
>
> By calling it 3 times you are basically destroying the old keys making
> sure that TLS tickets CANNOT be reused. You must only generate
> a new key ONCE per reload.
>

I misspoke . I generate 3 keys on haproxy first startup, then append only
one ticket at each reload.

Olivier

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