This article explains how to confirm Impala’s new Dynamic Partition Pruning feature is effective in CDH5.7.x. Dynamic Partition Pruning is a new feature introduced from CDH5.7.x / Impala 2.5, where information about the partition is collected during run time and impala prunes unnecessary partitions in the ways that were impractical …
Recently I was dealing with an issue that I was not able to import BLOB data correctly into HBase from Oracle database. All other columns were imported successfully, however, the BLOB column failed to appear in HBase table. My test table has three columns, ID:int, DATA_S:VARCHAR2 and DATA_B:BLOB. The following …
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!