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Day: September 14, 2020

南大通用GBase 8a 元数据表介绍,分区information_schema.Partitions

Posted on 2020年9月14日2021年3月8日 by laozizhu

南大通用GBase 8a数据库集群从V95版本开始支持分区,并在数据库的information_schema.partitions里记录了元数据信息。

南大通用GBase 8a 元数据表介绍 Information_schema

Posted on 2020年9月14日2023年6月9日 by laozizhu

南大通用GBase 8a数据库集群提供了多个元数据库和表,来记录和描述数据库的内部结构。系统表存在于四个database中,分别是information_schema,gbase,gclusterdb及performance_schema。

南大通用GBase 8a常见故障原因之磁盘只读

Posted on 2020年9月14日2020年9月14日 by laozizhu

当磁盘时外挂时,会出现盘阵只读导致目录不可写入,Readonly。也可能是文件系统故障导致无法写入。

南大通用GBase 8a常见故障原因之磁盘满

Posted on 2020年9月14日2020年9月18日 by laozizhu

南大通用GBase 8a数据库集群,在磁盘空间满是,会有各种奇怪的报错发生,本文只介绍磁盘满的排查方法,以及已知的几种典型场景。

Linux 查看进程占用磁盘读写情况 iostat iotop pidstat

Posted on 2020年9月14日2020年9月18日 by laozizhu

本文转载自网络,汇总了查看进程占用磁盘情况排查的各种工具,包括iostat, iotop, pidstat几种。

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