rman 并行 压缩的性能 时间 对比 backup as compressed

现有环境不用compressed 的主要原因应该是影响性能,同样26GB的database,不用compressed 1分钟备完,用了compressed 需要8-10分钟才能备完。

RMAN> backup DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 18:24:21

Finished Control File and SPFILE Autobackup at 2023-10-31 18:25:03

---42秒

RMAN> backup as compressed backupset DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 18:27:54

Finished Control File and SPFILE Autobackup at 2023-10-31 18:35:34

--8分钟

RMAN> backup as compressed backupset DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 18:39:18

Finished Control File and SPFILE Autobackup at 2023-10-31 18:49:12

--10分钟

RMAN> backup DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 18:49:47

Finished Control File and SPFILE Autobackup at 2023-10-31 18:50:42

--55秒

开启16 并行 4分钟 8并行 6分钟,但是CPU core消耗全部90%。

CONFIGURE DEVICE TYPE DISK PARALLELISM 16 BACKUP TYPE TO BACKUPSET;

RMAN> backup as compressed backupset DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 19:05:01

Finished Control File and SPFILE Autobackup at 2023-10-31 19:09:07

--4分钟

RMAN> CONFIGURE DEVICE TYPE DISK PARALLELISM 8 BACKUP TYPE TO BACKUPSET;

RMAN> backup as compressed backupset DATABASE plus ARCHIVELOG;

Starting backup at 2023-10-31 19:10:11

Finished Control File and SPFILE Autobackup at 2023-10-31 19:16:45

--6分钟

相关推荐
不学会Ⅳ8 分钟前
Mac M芯片搭建jdk源码环境(jdk24)
java·开发语言·macos
mgx_71811 分钟前
修改阿里云vps为自定义用户登录
服务器
虫小宝12 分钟前
高佣金返利平台监控体系建设:APM、链路追踪与佣金异常预警系统技术实现
java
sniper_fandc1 小时前
SpringBoot系列—入门
java·spring boot·后端
代码的余温2 小时前
Maven引入第三方JAR包实战指南
java·maven·jar
ZWZhangYu5 小时前
LangChain 构建向量数据库和检索器
数据库·langchain·easyui
pianmian16 小时前
类(JavaBean类)和对象
java
我叫小白菜6 小时前
【Java_EE】单例模式、阻塞队列、线程池、定时器
java·开发语言
feifeigo1236 小时前
升级到MySQL 8.4,MySQL启动报错:io_setup() failed with EAGAIN
数据库·mysql·adb
Albert Edison7 小时前
【最新版】IntelliJ IDEA 2025 创建 SpringBoot 项目
java·spring boot·intellij-idea