Apache Doris series: in depth understanding of real-time analytical database Apache Doris

One 、 What is? Apache Doris

• Apache Doris It's based on MPP Modernization of 、 High performance 、 Real time analytical database , It only needs sub second response time to return query results under massive data , It can not only support highly concurrent point query scenarios , It can also support complex analysis scenarios with high throughput . Based on this ,Apache Doris In multidimensional Report 、 User portrait 、 Ad hoc inquiry 、 Real time large screen and many other business areas can be well applied .

Two 、Apache Doris advantage

Excellent performance ：

1. It comes with an efficient columnar storage engine 、 While reducing the amount of data scanning, it also achieves ultra-high data compression ratio .
2. Doris It provides a rich index structure to speed up data reading and filtering , Using the cutting function of zoning and pain
3. Doris It can support ultra-high concurrency of online service business , A single node can support up to thousands of QPS.
4. Doris Combined with vectorization execution engine to give full play to modernization CPU Parallel computing power , With the help of intelligent materialized view technology, pre aggregation acceleration can be realized , The query optimizer can perform both planning based and cost based query optimization .
5. In many ways , Achieve the ultimate query performance .

Simple and easy to use ：</