Juan Jose Marron Monteserin

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Inspect Files tooling for IBM Db2 Big SQL

The Inspect Files tool presented in this blog allows users to improve the query performance in IBM Db2 Big SQL tables by optimizing the file layout...

Optimizing ORC and Parquet files for Big SQL queries performance

This post describes the problem of small ORC and Parquet files in HDFS and how it affects Big SQL read performance. It explores possible solutions...

Changing permissions of Hive warehouse directory for IOP 4.2.5

Overview Hive stores the table data for managed tables in the Hive warehouse directory in HDFS which is configured in hive-site.xml with property hive.metastore.warehouse.dir. In IOP...

BigInsights 4.1 pre-installation check

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...

Serviceability tools for IOP 4.1

IBM® Open Platform (IOP) 4.1 with Apache Hadoop based on Ambari, includes a new pack of serviceability tools to assist on the deployment of the...

Apply service patches into IOP 4.1 and 4.2 clusters

This post introduces a simple service patch management procedure for IBM Open Platform and details the instructions about how you can apply a service patch...

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