1) Apache Kudu is a new updatable columnar storage engine for Apache Hadoop that facilitates fast analytics on fast data.
2) Kudu is designed to address gaps in the current Hadoop storage landscape by providing both high throughput for big scans and low latency for short accesses simultaneously.
3) Kudu integrates with various Hadoop components like Spark, Impala, MapReduce to enable SQL queries and other analytics workloads on fast updating data.