How to hot swap Apache Kudu tables with Apache Impala
Sometimes, there is a need to re-process production data (a process known as a historical data reload, or a backfill). Source table schema might change, or »
How to connect Apache NiFi to Apache Impala
I spent 4 interesting hours, trying to connect Apache NiFi to Apache Impala. It turned out to be very easy and not really any different from »
Quick evaluation of Alteryx In-Database tools
Back in 2015, Alteryx announced a brand new set of In-Database tools, available to all customers with no additional license required. Alteryx keeps bringing amazing value »
Benchmarking Impala on Kudu vs Parquet
Why Apache Kudu Apache Kudu is a recent addition to Cloudera's CDH distribution, open sourced and fully supported by Cloudera with an enterprise subscription. Created by »
Watch out for timezones with Sqoop, Hive, Impala and Spark
My head was spinning as I tried to accomplish a simple thing (as it seemed at first). I load data from 3 Oracle databases, located in »