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A number of the schedulers seem to use an is_overloaded() function that
limits the number of connections to twice the server's weight. I'm using
the dh scheduler to balance across 3 machines - once the connections
exceed twice the weight, it refuses new connections from IP addresses that
aren't currently persistent.
This in itself isn't really a problem, but I can't find this behaviour
actually documented anywhere - all the documentation refers to the
weights as being "relative to the other hosts" which means there should
be no difference between me setting the weights on all hosts to 5 or
setting them all to 500.
- - Steve Hill
Senior Software Developer Email: steve@xxxxxxxxxxxx
Navaho Technologies Ltd. Tel: +44-870-7034015
... Alcohol and calculus don't mix - Don't drink and derive! ...
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