sync clickhouse with mysql mongodbGROUP BY id HAVING sum(sign)>0 ○ Need to use GROUP BY in every query ○ Not suitable for multi-column primary key Our Solution: PTS Key Features ● Only one config file needed for a new Clickhouse Bob1 2 2 Bob2 1 2 Bob2 3 id name flag 2 Bob1 2 2 Bob2 2 2 Bob2 3 PTS Magical Flag Add new column PTS Magical Flag Why fast? Clickhouse Mutation PTS Magical Flag Why fast? Clickhouse Mutation0 码力 | 38 页 | 2.25 MB | 1 年前3- Что нужно знать об архитектуре ClickHouse, чтобы его эффективно использоватьНельзя писать в сервер, отрезанный от кворума ZK Репликация с точки зрения CAP–теоремы Всё вместе › Column–oriented › Сверхбыстрые интерактивные запросы › Диалект SQL + расширения › Плохо подходит для0 码力 | 28 页 | 506.94 KB | 1 年前3
- Analyzing MySQL Logs with ClickHouseClickhouse Answers • 10x+ times space reduction compared to Raw Text Log Files High Compression (column store + LZ4) • Typically 100x faster than MySQL on Single Server • Semi-Linear Scalability0 码力 | 43 页 | 2.70 MB | 1 年前3
- C++20: An (Almost) Complete Overview
Represents information about a specific location in a source code line, column, file_name, function_name Construct one using source_location::current() Example: void LogInfo(string_view 0 码力 | 85 页 | 512.18 KB | 6 月前3 - C++高性能并行编程与优化 - 课件 - 07 深入浅出访存优化Intel Xeon CPU was up to 29 X faster. • By using Morton ordering as an alternative to row-major or column-major data storage, significant speedups can be achieved on the Intel Xeon Phi coprocessor or Intel0 码力 | 147 页 | 18.88 MB | 1 年前3
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