Changed default scheduler to Capacity as fair scheduler not working properly with latest build. Also inserted 120s timeout in CloudInit to ensure YUM repo has time to initialize - mitigates dependency failures in build due to java not installing.

Author: smithzc

schema.yaml

@@ -680,6 +680,7 @@ variables:
     title: "YARN Scheduler"
     description: "Select YARN Scheduler type"
     visible: ${AdvancedOptions}
+    default: "capacity"
 
   enable_secondary_vnic:
     type: boolean

scripts/boot.sh

@@ -41,6 +41,9 @@ EXECNAME="TUNING"
 log "->TUNING START"
 sed -i.bak 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
 setenforce 0
+EXECNAME="PAUSE FOR YUM"
+log "->Waiting 120 seconds to ensure YUM is ready to go"
+sleep 120
 EXECNAME="JAVA"
 log "->INSTALL"
 yum install java-1.8.0-openjdk.x86_64 -y >> $LOG_FILE

variables.tf

@@ -116,7 +116,7 @@ variable "vcore_ratio" {
 }
 
 variable "yarn_scheduler" {
-  default = "fair"
+  default = "capacity"
 }
 
 variable "enable_secondary_vnic" {