MSM huge rollouts are stalling

[#1]

en-us is the blueprint for en-ca & en-gb having 'push on modify' rollout config. And within en-us we have another blueprint, say internal blueprint, which has 3000 live-copy pages. Now the problem is when the author tries to rollout a component from the internal blueprint to all 3000 pages from classic UI the process is being stalled(with red lights). Any idea what is causing the issue?

AEM version : 6.3.2

[#2 · Accepted solution]

Can you enable DEBUG level for the logger com.day.cq.wcm.msm in /system/console/slinglog , and repeat the problematic MSM Action?

That should give you some information on why the process is stalling.

Also, check the CPU usage and Memory consumption during this process.

[#3]

thank you.