@stigahuang wrote: Looks like there're no places to control the max JVM heap size of impalads in Cloudera Manager. (Only one for the catalogd) How can we set JAVA_TOOL_OPTIONS for impalads (coordinators)?   In CM 7.6.7, there is a configuration option called "impalad_embedded_jvm_heapsize". Not sure when it was added. impalad_embedded_jvm_heapsize: Maximum size in bytes for the Java Process heap memory. Passed to Java -Xmx. ... View more

This appears to be the cause. Switching to MS Edge avoided the HSTS feature in Chrome.   Will look at enabling HTTPS on all UIs though since that is the correct solution in the longterm (spark.ssl.historyServer.enabled option is currently set to false). ... View more