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Day: February 4, 2021

南大通用GBase 8a临时数据目录tmpdata作用和说明

Posted on 2021年2月4日2021年2月4日 by laozizhu

在GBase 8a数据库集群中,如果数据运算过程中,内存不足以保存所有数据时,会使用磁盘保存临时中间结果。本文介绍该临时数据目录tmpdata的作用和说明。

Linux Operating System Tuning Parameters and Service Recommendations for Large Databases

Posted on 2021年2月4日2025年4月3日 by laozizhu

本文整理从各个数据库厂商采集的,在大数据库下,linux操作系统在CPU、内存、存储和网络等方面参数优化的方案。

南大通用GBase 8a在V95版本不同列、不同行数文件加载性能测试对比

Posted on 2021年2月4日2021年5月8日 by laozizhu

本文针对10-1000列的表,10-1000万行数据(int),进行加载性能测试,验证加载性能,提供用户项目参考

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