[GitHub] rabbah commented on a change in pull request #3556: Add latency test with gatling.

[GitBox <gi...@apache.org>]

rabbah commented on a change in pull request #3556: Add latency test with gatling.
URL: https://github.com/apache/incubator-openwhisk/pull/3556#discussion_r182193807
 
 

 ##########
 File path: performance/README.md
 ##########
 @@ -61,3 +61,33 @@ You can run the simulation with (in OPENWHISK_HOME)
 ```
 OPENWHISK_HOST="openwhisk.mydomain.com" CONNECTIONS="10" REQUESTS_PER_SEC="50" ./gradlew gatlingRun-ApiV1Simulation
 ```
+
+##### LatencySimulation
+
+This simulation creates actions of the following four kinds: nodejs:default, swift:default, java:default and
+python:default.
+Afterwards the action is invoked once. This is the cold-start and will not be part of the thresholds.
+Next, the action will be invoked 100 times one after each other. The last step is, that the action will be deleted.
+
+Once one language is finished, the next kind will be taken. They are not running in parallel. There are never more than
+1 activations in the system, as we only want to meassure latency of warm activations.
 
 Review comment:
   Is this guaranteed with a blocking invoke then? 

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