Hi, I have upgraded Elastic search from 5.3.1 to 6.0.0. I need some documentation about "es.set.netty.runtime.available.processors" , what is the purpose, or how to use etc. I didn't find much details.

We default it to true because we want the number of processors that Elasticsearch is configured to use (whether through the defaults or explicitly via settings) to be pushed down to size the Netty thread pools. If this setting were to default to false, that would not be the case. As @jpountz mention…

Need Info for "es.set.netty.runtime.available.processors"

Elastic Stack Elasticsearch

jasontedor (Jason Tedor) December 13, 2017, 5:08am 6

You’re welcome.

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Contradictory and, sometimes, poor, advice given for es.set.netty.runtime.available.processors Elasticsearch	1	1999	October 8, 2018
Elasticsearch 5.4.1 - availableProcessors is already set Elasticsearch	9	14913	June 30, 2017
Create elasticsearch client throws netty illegalstateexception in server enviroment Elasticsearch	2	1685	May 13, 2019
Getting availableProcessors is already set to [1], rejecting [1] IllegalStateException exception Elasticsearch	2	5244	November 4, 2017
PreBuiltTransportClient :available processors value [30] did not match current value [45], IllegalStateException Elasticsearch	1	768	December 14, 2018

Need Info for "es.set.netty.runtime.available.processors"

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