It happens often that user can forget their password to be used when logging into Ranger’s Admin Web UI. If you can contact your Ranger Admin to update password for you, that’s fine. But what about when the “admin” user’s password is also forgotten? Then you will be logged out …
I have seen lots of Hive users faced an issue that their query took a long time to compile, even for a table that is small and without many columns or partitions. Those queries failed with error message similar to below, which was due to table was locked and query …
If your Sqoop job fails with below error message: This is very likely caused by conflicting JAR files being loaded by sqoop, and mostly related to JAR files under /usr/lib/hive directory, which is normally created by package installation of Sqoop, rather than via Parcels through Cloudera Manager. The solution is …
Since sometime last year, I have noticed a lot of MySQL related errors in my blog’s Apache server log, it simply happens every 2 minutes and annoys me a lot. I have tried to research it many many times, but unable to find anything useful from Google. There were lots …
This is part 5 of my Impala Query Profile Explained series. If you have missed the last 4 parts, please follow the links below: Impala Query Profile Explained – Part 1Impala Query Profile Explained – Part 2Impala Query Profile Explained – Part 3Impala Query Profile Explained – Part 4 Thanks …
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!