Greetings, Here come a question related to heat auto scale down.
The scenario is as following: I was trying to deploy hadoop cluster with heat Auto Scaling template. When scale up a slave node, I can use user-data to do some post work for configuration file on hadoop master node base on the information of slave node (The mainly configuration file is conf/slaves as I need to put slave node to this file); But when scale down, seems I have no chance to do some configuration for the master node (Remove the scale down node from conf/slaves) as master node do not know which slave node was scale down. Does anyone has some experience on this? Thanks, Jay
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