ldirectord: checkinterval global, or per-service?

Joseph Mack NA3T jmack at wm7d.net
Thu Feb 1 06:52:01 GMT 2007


On Thu, 1 Feb 2007, Guy Waugh wrote:

> greater than the 'checkinterval' parameter, I've had to raise the 
> 'checkinterval' parameter to 60 seconds to match the 60 second 
> 'negotiatetimeout' parameter for the HTTPS virtual service in question. This 
> means that every real server for every virtual service I have only gets 
> checked every 60 seconds, which is not desirable for me - before this HTTPS 
> service came along, we had 'checkinterval' set at 10 seconds.


The timeouts for LVS default to 90-120 sec which is about 
the time that packets can get stuck in the internet or it 
takes a busy server to respond. If your timeouts are set to 
10secs you're going to get a lot of flapping.

Joe
-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!

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