Hello @Theyaa Matti this issue should be fixed in the current 0.14.0 Knox release. In case you do not want to upgrade you can set the following properties in gateway-site.xml "gateway.httpclient.connectionTimeout" and "gateway.httpclient.socketTimeout" to appropriate value, say 300. ... View more

You achieve this by limiting access via firewall rules, other than that KNOX + Kerberos is the built in method. Some resources: Secure Authentication: The core Hadoop uses Kerberos and Hadoop delegation tokens for security. WebHDFS also uses Kerberos (SPNEGO) and Hadoop delegation tokens for authentication. https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.2/bk_security/content/configure_webhdfs_for_knox.html https://www.cloudera.com/documentation/enterprise/5-9-x/topics/cdh_sg_secure_webhdfs_config.html ... View more

It should be possible to run Solr on YARN using Slider in HDP 2.4.2: https://github.com/hortonworks/slider-release/tree/HDP-2.4.2.0-tag/app-packages/solr Theoretically you would be able to launch a Solr app on YARN through the Slider View in Ambari, but I am not sure if anyone has tried this out for Solr. The Slider View for Ambari says it's marked as deprecated, so I am not sure of its status: https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.2.18/bk_ambari-views/content/ch_using_slider_view.html ... View more

We no longer support Hue versions later than 2.6.1. Please use better alternative called Ambari views! 🙂 ... View more