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 …
I have seen in a lot of use cases that Hive users need to pass along a variable into Hive VIEW, so that their queries can be run using dynamic conditions. However, this is not currently supported by Hive due to the fact that VIEW’s query string is evaluated during …
BDR (Backup and Disaster Recovery) feature has been provided by Cloudera Manager for a long time. It is a very important tool for many enterprise companies to backup their production data into DR cluster, so in the case of cluster down or data loss, a backup cluster can be used …
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 …
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!