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Category: Ambari

Monitor memory usage for Bigdata processes using Java attach API and notifying users by email

by Bharath_D on March 7, 2017 in Uncategorized, Hive, Ambari
Using Java Attach API one can hook into JVM's hosting Bigdata processes and monitor them.

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Overview of Kerberos in IOP 4.2

by SarahShiWang on August 18, 2016 in Apache Hadoop, Ambari
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...

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Ambari Pig View in Kerberos Enabled Clusters

by ketapatel on August 8, 2016 in Ambari, Pig
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...

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Manage UIDs for IOP 4.2 services using Ambari

by Sangeeta Ravindran on August 4, 2016 in Ambari
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...

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Big SQL v4.2: Configure SSL for Big SQL HA

by Wen-Yi on July 7, 2016 in Tech Tip, Ambari, Big SQL
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...

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Changing Default Log Directories for BigInsights IOP Services

by SRameshGopal on July 4, 2016 in Tech Tip, Ambari
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...

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Restore Ambari Server on a new node

by SRameshGopal on June 29, 2016 in Tech Tip, Ambari
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...

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Fast Track your Big Data Development

by Pierre Regazzoni on April 27, 2016 in Apache Hadoop, Hive, HBase, Yarn, Ambari, Oozie, Pig, Scoop, Knox, Spark, Big SQL, BI Cloud
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...

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Performance Tuning/Debugging Ambari Metrics in IOP 4.1

by JesusAlvarez on February 22, 2016 in Tech Tip, Ambari
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...

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BigInsights 4.1 pre-installation check

by Juanjo Marron on February 15, 2016 in Uncategorized, Tech Tip, Ambari
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...

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