Hadoop Troubleshooting Guide - Eric's Blog

Hadoop Troubleshooting Guide – Eric's Blog

Ranger TagSync Error: No Service found with name: xxxxxxx_hive

In my previous Ranger tutorials, I have introduced Tag based policies in Ranger, where Ranger will need to sync Tag/Classification related information from Atlas to Ranger, so that Ranger would know which entities/attributes have certain tags attached. Recently I was working on an issue that below error can be found …


Sqoop export to Teradata Error: Parameter 11 length is 113941 bytes, which is greater than the maximum 64000 bytes that can be set

Recently I have found an issue in Sqoop that when exporting data to Teradata with data value larger than 64KB to CLOB data type, job will be failed with error similar to below: After contacting with Teradata Support, it turned out to be a limitation/restriction from Teradata side, that for …


Introduction to Apache Ranger – Part IV – Resource vs Tag Based Policies

Welcome again to the new episode of my Apache Ranger introduction. In the last 3 posts, I have covered why Ranger was chosen as the replacement for Sentry, the basic architecture and the new Security Zone feature that was introduced since Ranger 2.0. I have been asked by my audience …


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!