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"Best Practice: The Application of Baidu Palo in ZHIHU.COM"_Apache Doris Summit 2022

Refined operations can improve the operating efficiency of enterprises and bring more revenue to enterprises. Effective tools can bring more business value to enterprises. Therefore, the Zhihu data platform was created and became handy in data-driven decision-making for business personnel since it was born. With its outstanding query and data processing performance, Apache Doris meets our needs for fast data ingestion, second-level grouping and insight of hundreds of billions of feature data. At the same time, after the launch of the vectorized execution engine, the grouping performance of billion-level data has increased by 10 times, and the performance of single-table aggregation query and multi-table association query have also increased by 3-5 times. In the future, we also look forward to using Apache Doris to further support our data platform to achieve refined operations, cost reduction and efficiency increase.

Apache Doris is a real-time analytical database based on MPP architecture, known for its high performance and ease of use. It supports both high-concurrency point queries and high-throughput complex analysis. (

SelectDB is a cloud-native real-time data warehouse developed based on the Apache Doris open source project by the same key developers. The SelectDB company focuses on the enterprise-grade cloud-native distribution for Apache Doris. (Contact US:

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