[GitHub] markusthoemmes opened a new pull request #2360: Choose target invoker based on specific invoker load.

[gi...@git.apache.org]

markusthoemmes opened a new pull request #2360: Choose target invoker based on specific invoker load.
URL: https://github.com/apache/incubator-openwhisk/pull/2360
 
 
   Currently, the loadbalancer advances from one Invoker to another after a fixed amount of invocations, which isn't aware of any load in the system causing suboptimal behavior.
   
   This only advances away from the home invoker of an action (determined by hash) if that home invoker is "heavily" loaded. We advance further if the next chosen invoker is busy and so forth. If we arrive at the home invoker again, the system is completely loaded and we force schedule to the home invoker. Step sizes are determined by prime numbers and also chosen by hashing to prevent chasing behavior.
 
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