Troubleshooting Capture Problems
Check capture process status: you can check whether a capture process is enabled, disabled, or aborted by querying the DBA_CAPTURE data dictionary view: select capture_name, status from db...
How to configure OLTP with reporting queries
http://www.pythian.com/news/4157/how-to-configure-oltp-with-reporting-queries/
latch: cache buffers chains案例
latch: cache buffers chains案例 今天公司某系统报处理速度慢,查看数据库主机发现,cpu使用率特别高,一直维持在98%以上,而磁盘IO特别低,查看(select event, wait_class from v$session where ...
Performance Tunables for Media Management
Media Management > Operations > Performance Tunables for Media ManagementPublished 11/19/2010 02:50 PM | Updated 11/19/2010 02:50 PM Performance Tunables for Media ...
Manually Removing Galaxy from a Unix Host
Manually Removing Galaxy from a Unix HostPublished 01/16/2009 12:28 PM | Updated 01/15/2010 03:36 PM In some instances it may be neccessary to remove an agent manuall...
Data Multiplexing
Configuration > Storage Policy Copies > Data MultiplexingPublished 11/19/2010 02:53 PM | Updated 11/19/2010 02:53 PM Data MultiplexingTopics | How To | Related Top...
Oracle Gateway Master Note (Doc ID 1083703.1)
http://blogs.oracle.com/db/entry/oracle_gateway_master_note
用systeminfo系统启动时间暂缺 解决方法
使用systeminfo系统启动时间暂缺 解决方法 有时候为了工作需要或者其他原因查询电脑工作了多长时间,使用系统自带的systeminfo来查询的时候发现:“系统启动时间:暂缺”这个时候很...
sqlnet参数
sqlnet参数1.设置日志参数#设置客户端和服务器端的log文件的目录LOG_DIRECTORY_CLIENTLOG_DIRECTORY_SERVER#设置客户端和服务器端的log文件的名称LOG_FILE_CLIENTLOG_FILE_SERVER2.设置默认的domain,会在连接中...
RAC环境下DOWNSTREAM配置(下游捕获,异地捕获)
RAC环境下DOWNSTREAM配置(下游捕获,异地捕获)原创 by michael zheng1 部署环境1.1 主机环境: Rac源库 目标库 操作系统 Linux5.2(32位)...
iSCSI的配置(target/initiator)
iSCSI 是一种 SAN的设备而 SAN的设备主要是提供 Server 存储体的空间.相较于传统的 SAN 是以光纤为传输媒体而 iSCSI(Internet SCSI)他是 IP-based 的数据存储的设备.使得他能更容易应用在企业中. 1.一般...
linux 清理缓存
通过修改proc系统的drop_caches清理free的cache$echo 3 > /proc/sys/vm/drop_cachesdrop_caches的详细文档如下:Writing to this will cause the kernel to drop clean caches, dentries and inodes from me...
IOPS & MPS Workload for Oracle
使用下面SQL,在两个时间点上分别采集数据,之后按下述公式计算可以得到数据库的IOPS和MBPS。SELECT 'Number of Small Reads :' || sum(decode(name, 'physical...
lvm属性含义
pvs 显示字段 参数 标题 描述 &n...
RAC或OPS环境下重新创建控制文件
RAC或OPS环境下重新创建控制文件 引自Metalinkhttp://dbua.iteye.com/blog/665549PURPOSE-------This article describes how you can recreate your controlfile in RAC. SCOPE & APPLICATION-------------------...
断电与ORA-600错误处理集合
断电与ORA-600错误处理集合目 录断电与ORA-600错误处理集合...................................................................................11. 前言.......................................................
RAC and Oracle Clusterware Starter Kit and Best Practices
RAC Assurance Support Team: RAC and Oracle Clusterware Starter Kit and Best Practices (Generic) [ID 810394.1]
Database Creation on 11.2 Grid Infracture with Role Separation
Database Creation on 11.2 Grid Infracture with Role Separation ( ORA-15025, KFSG-00312, ORA-15081 ) [ID 1084186.1] 修改时间 04-FEB-2011 类型 HOWTO &nbs...
How to Proceed from Failed 11gR2 Grid Infrastructure (CRS) Installation
How to Proceed from Failed 11gR2 Grid Infrastructure (CRS) Installation [ID 942166.1] 修改时间 16-FEB-2011 类型 HOWTO 状态 PUBL...
How To Setup ASM (11.2) On An Active/Passive Cluster (Non-RAC). [ID 1296124.1]
How To Setup ASM (11.2) On An Active/Passive Cluster (Non-RAC). [ID 1296124.1] 修改时间 15-FEB-2011 类型 HOWTO 状态 PUBLISHED&...