Changing kernel parameters

Hi!

I'm working with Linux in a big enterprise.
I now got a job with includes changing out some kernel parameters in one of
our internal web services (very critical).
Oracle (which we are running) are saying that this is should better our SSO
solution on the web servers.

Ok, so the kernel parameters are currently like these:
net.ipv4.tcp_keepalive_time = 7200
net.ipv4.tcp_keepalive_probes = 9
net.ipv4.tcp_keepalive_intvl = 75

And Oracle want me (us) to change it to:
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.tcp_keepalive_intvl = 20

I must do this on several HA servers, so I really dont want this to go
wrong!

Do you guys have any tips, warnings or anything that can help me do this as
smooth as possible? Do you have any bad experiences with changing these
values?


Thanks!

--
Lars
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