Month: <span>January 2020</span>

Month: January 2020

Introduction to Apache Ranger – Part III – Security Zone

Welcome to the third episode of the Apache Ranger introduction. If you missed the last 2 episodes, please review them using below link: Introduction to Apache Ranger – Part I – Ranger vs Sentry Introduction to Apache Ranger – Part II – Architecture Overview In this episode, I would like …

Loading

PerfLogger Missing for Hive in CDH6

Recently I discovered that the performance logs were missing from both HiveServer2 and HiveMetaStore server logs. This makes troubleshooting performance related issue very hard. The log message that I am expecting is something like below: HiveServer2 Log: Above log tells me that the getSplit operation took 57 milli-seconds to complete. …

Loading

Introduction to Apache Ranger – Part II – Architecture Overview

In the last Episode, I have quickly introduced the main features that Ranger provides, the main differences between Ranger and Sentry that have to offer to the end users and the main reason that Cloudera has chosen Ranger as the replacement for Sentry in the latest product that is offered …

Loading

My new Snowflake Blog is now live. I will not be updating this blog anymore but will continue with new contents in the Snowflake world!