Check the heap assigned for the node manager   in the hadoop/etc/hadoop/yarn-env.sh define the heap for node manager   JAVA=$JAVA_HOME/bin/java JAVA_HEAP_MAX=-Xmx256m # For setting YARN specific HEAP sizes please use this # Parameter and set appropriately YARN_HEAPSIZE=256 After that, you can configure the resources in yarn-site.xml <configuration> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.scheduler.minimum-allocation-mb</name> <value>2000</value> </property> <property> <name>yarn.scheduler.minimum-allocation-vcores</name> <value>1</value> </property> <property> <name>yarn.nodemanager.resource.memory-mb</name> <value>2000</value> </property> <property> <name>yarn.nodemanager.resource.cpu-vcores</name> <value>1</value> </property> </configuration>   please like and confirm if it helps   Thanks Ashish ... View more

@louis_allen  You should avoid asking additional questions on an existing post that already has an accepted solution.  If the accepted solution does not resolve your issue that you may be having a different problem.   You would get better visibility and a help if you were to start a new question. That being said, if you are having a "javax.net.ssl.SSLHandshakeException", you issue is during client authentication and have not even the point of verifying client authorization.  So you need to take a closer look at the keystores and truststores you have setup on both your NiFi and NiFi-Registry to make sure that a mutual TLS handshake can be successfully negotiated. Feel free to ping me if you start a new community question. Hope this helps, Matt ... View more

Kindly check on the below: SUPERSET_TIMEOUT should be greater or equal to SQLLAB_TIMEOUT.   The properties need to be set to increase the timeout of visualizations: For synchronous queries -  SUPERSET_WEBSERVER_TIMEOUT  SQLLAB_TIMEOUT    For async queries - SQLLAB_ASYNC_TIME_LIMIT_SEC  ... View more

Could you please let us know which documentation you are talking about? ... View more