Hey Paul/Tristan,

Say you have Infinispan Server installed locally, and you want to quickly start 
an instance with a lower FD_ALL.timeout, GMS.join_timeout, MERGE3.min_interval 
adn MERGE3.max_interval without touching the XML configuration.

Is it possible to do that? Can you pass modified parameters for these options 
via system properties?

I'm not looking to modify them in a particular stack but modifying them all 
stacks would be fine for me.

The context for this is testing topology changes for JS client. Having a 
cluster started and running tests continously is very convenient for me. With 
that in mind, a very easy way to test topology changes that does not involve 
restarting a process is to suspend/resume a process (Node's child processes 
make this pretty easy to do). My intention is try to tweak the parameters above 
so that timeouts are lower and hence I can quickly force a topology change.

Cheers,
--
Galder Zamarreño
Infinispan, Red Hat


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