how to attach edge node to existing hdinsight cluster (Azure hadoop service)

Follow the steps mentioned in below URL to extend your existing hdinsight azure hadoop cluster with additional edge nodes.

https://docs.microsoft.com/en-us/azure/hdinsight/hdinsight-apps-use-edge-node

Microsoft cloud Azure hadoop component versions

Microsoft cloud Azure hadoop component versions

Component HDInsight version 3.5 HDInsight version 3.4 (Default) HDInsight Version 3.3 HDInsight Version 3.2 HDInsight Version 3.1 HDInsight Version 3.0
Hortonworks Data Platform 2.5 2.4 2.3 2.2 2.1.7 2.0
Apache Hadoop & YARN 2.7.3 2.7.1 2.7.1 2.6.0 2.4.0 2.2.0
Apache Tez 0.7.0 0.7.0 0.7.0 0.5.2 0.4.0
Apache Pig 0.16.0 0.15.0 0.15.0 0.14.0 0.12.1 0.12.0
Apache Hive & HCatalog 1.2.1.2.5 1.2.1 1.2.1 0.14.0 0.13.1 0.12.0
Apache HBase 1.1.2 1.1.2 1.1.1 0.98.4 0.98.0
Apache Sqoop 1.4.6 1.4.6 1.4.6 1.4.5 1.4.4 1.4.4
Apache Oozie 4.2.0 4.2.0 4.2.0 4.1.0 4.0.0 4.0.0
Apache Zookeeper 3.4.6 3.4.6 3.4.6 3.4.6 3.4.5 3.4.5
Apache Storm 1.0.1 0.10.0 0.10.0 0.9.3 0.9.1
Apache Mahout 0.9.0+ 0.9.0+ 0.9.0+ 0.9.0 0.9.0
Apache Phoenix 4.7.0 4.4.0 4.4.0 4.2.0 4.0.0.2.1.7.0-2162
Apache Spark 1.6.2 + 2.0 (Linux only) 1.6.0 (Linux only) 1.5.2 (Linux only/Experimental build) 1.3.1 (Windows-only)