In the last few months, I have seem CDH users hitting Impala query returning NoSuchObjectException error very often. This happens when running query against a particular table with INT partition types and it failed with below message: We have confirmed that the table has four partitions with Integer data type, …
Recently I have discovered an issue in Sqoop that when it is importing data into Hive table, whose location is in an encrypted HDFS zone, the Sqoop command will fail with the following errors: Command: Errors: After some research, I have found out that it is caused by a known …
If you run Hive on Spark on some CDH versions, you might run into issues when Hive is trying to renew HDFS delegation tokens. See below error message (that you can find from HiveServer2 server logs): If you do some googling, you should be able to locate the corresponding upstream …
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!