ClickHouse Learning<Altinity>

  1. ClickHouse's main task is to build reports in online mode using non-aggregated data --- ClickHouse的主要任务是使用非聚合数据在联机模式下生成报表。
  2. For a large number of reports, there are too many aggregation variations : 对于大量报告，汇总变化太多
  3. both the highest throughput for long queries and the lowest latency on short queries : 长查询的最高吞吐量和短查询的最低延迟
  4. the working size of the data and how locally it is used: 数据的工作大小以及如何在本地使用数据
  5. A quantity computed from the values in a sample is called a statistic --- 根据样本中的值计算出的数量称为统计量。

Blogs

  1. ClickHouse深度揭秘
  2. ClickHouse Clustering for Spark Developer

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