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I know that I am missing something here, but google won't yield the
answers to me (after a few days of searching). I have an LVS+NAT
configuration with two realservers in the back. I have a load and
stress tool that I can use to simulate up to 100 users and it is this
tool that I use to test the configuration on the balancer. I also am
using keepalived in the configuration that monitors the realservers and
removes them if they become unresponsive.
In least-connection mode:
About 98% of all connections hit realserver 1 with the remaining 2%
hitting realserver 2. Eventually realserver 1 gets so busy that
keepalived thinks the box is down and removes it from the lvs
configuration. Realserver 2 takes the load. When realserver 2 is at
about 98% of the load, realserver 1 comes back online and takes the
additional 2% and the process repeats itself.
In round-robin mode:
100% of all connections hit realserver 1 until it gets too busy and
goes down. Realserver 2 takes the load and eventually goes down (before
realserver 1 is back up).
What have I misconfigured?
Patrick Felt
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