Using Java Attach API one can hook into JVM's hosting Bigdata processes and monitor them.
Kerberos plays an important role in Hadoop security, mainly doing the job of authentication. Kerberos is well documented already, so here we will introduce some...
Overview Ambari Views provide a user-interface to make use of various functionalities of the services installed on the Hadoop cluster. Apache Pig is used to...
Continue reading Ambari Pig View in Kerberos Enabled Clusters
Overview: IOP 4.2 provides the ability to manage the UIDs of service accounts for services managed by Ambari. Users have the option to let Ambari create service users...
Continue reading Manage UIDs for IOP 4.2 services using Ambari
Overview: This article shows how to manually setup Secure Socket Layer (SSL) on the Big SQL HA second head node and enable JDBC automatic client...
INTRODUCTION: The log directories are defined to contain the standard output/ errors and standard messages from the services. Sometimes, the current log directories may get...
Continue reading Changing Default Log Directories for BigInsights IOP Services
Overview: Ambari Server is a single point of failure, so any kind of a situation where-in the current Ambari Server is down due to bad...
This article is co-authored by Chris Snow (chris.snow@uk.ibm.com) and Pierre Regazzoni (pierrer@us.ibm.com). IBM® BigInsights™ on Cloud provides Hadoop-as-a-service on IBM’s SoftLayer® global cloud infrastructure. It...
How to performance tune Ambari Metrics shipped with Apache Ambari 2.1.0 (IOP 4.1) - As well as common issues/fixes seen after running AMS for a...
Continue reading Performance Tuning/Debugging Ambari Metrics in IOP 4.1
As part of the these serviceability tools, the pre-installation check feature aims to facilitate the deployment of the product to customers. It provides a script...