<div dir="ltr"><div><div><div><div><div>Greetings,<br><br></div>Here come a question related to heat auto scale down.<br><br></div>The scenario is as following:<br></div>I was trying to deploy hadoop cluster with heat Auto Scaling template. <br>
<br>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);<br>
<br>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.<br><br></div><div>Does anyone has some experience on this?<br>
</div><div><br></div>Thanks,<br><br></div>Jay<br></div>