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LLAP daemons crash and restart unexpectedly and randomly on others nodes

LLAP daemons crash and restart unexpectedly and randomly on others nodes

New Contributor

I have a cluster of 12 nodes (without node labeling).

I have configured 3 nodes for LLAP. LLAP starts correctly and chooses 3 nodes to start all the processes. Hive LLAP queries are correctly excuted  

However after some time one  daemon restart  on other nodes without my knowing why ? 

do you have any idea why there is this mechanism (saturation of connections ..?)