中国数据安全法
主:! Configuration File for keepalivedglobal_defs { notification_email {jkuser@163.com } notification_email_from ro
100万条insertWed Jul 31 11:59:37 CST 2013real176m36.179suser39m53.910ssys72m1.159sWed Jul 31 14:56:13 CST 2013Wed Jul 31 11:58:12 CS
一、备份与恢复策略备份策略我们都知道必须按计划定期进行备份。可以用几个工具完全备份(在某个时间点的数据快照)MySQL。例如,InnoDB Hot Backup为InnoDB数据文件提供在线非数据块物理备份,mysqldump提供在线逻辑备份。这里使用mysqldump。假定我们在星期日下午1点进行了备份,此时负荷较低。下面的命令可以完全备份所有数据库中的所有InnoDB表:s
mysql数据库我们在做数据库备份时经常用FLUSH命令,下面总结一下语法。FLUSH语法FLUSH [LOCAL | NO_WRITE_TO_BINLOG] flush_option [, flush_option] ...如果您想要清除MySQL使用的部分内部缓存,您应该使用FLUSH语句。要执行FLUSH,您必须拥有REL
mysql -e "show status like 'connections'"mysql -e "show status like 'uptime'"mysql -e "show st
MYSQL性能测试
mySQL性能测试,基本稳定在200-300insert/s
环境: OS:windows 2008r2x64 DB:SQLserver2008及sp1 存储:dell 3200 sas 交换机:cisco 2960 虚拟化:hyper-v虚机 思路: 1、两台安装OS,并激活,角色中添加HYPER-V,应用服务器;功能中添加故障转移集群并启用DTC; 2、配置存储,并在两台服务器上安装存储相关软件,映射,在一台服务器上对磁盘进行分区并添加盘
GBK: create database bbs DEFAULT CHARACTER SET gbk COLLATE gbk_chinese_ci; UTF8: CREATE DATABASE `bbs' DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
有些需要参照别人,一起研究啊,前几天跟一个大牛聊天,说是使用了200多台的多主MYSQL集群,羡慕,嘿嘿。 (多主一从,一主多从,多主多从,一主一从) MYsqL集群想做个多主或多从的专题研究,总结在这里。 二台Mysql服务器,他们的IP地址分别为: A:192.168.0.97 B:192.168.0.98 数据库都是 test_3306 首先我给两台服务器的my.i
MySql语法大全 一、SQL速成 结构查询语言(SQL)是用于查询关系数据库的标准语言,它包括若干关键字和一致的语法,便于数据库元件(如表、索引、字段等)的建立和操纵。 以下是一些重要的SQL快速参考,有关SQL的语法和
drop user aaaa cascade create user taaaaidentified by "222222"; grant connect,dba to aaa; alter user aaadefault tablespace ticket temporary tablespace temp; drop tablespace tick
Linux主机下配置Oracle 10G自动启动过程记 一、使用root用户修改/etc/oratab 文件: $ gedit /etc/oratab orcl:/oracle/app/product/10.2.0/db_1:N 改为: orcl:/oracle/app/product/10.2.0/db_1:Y 也就是将最后的N改为Y 二
[oracle@clu2 bin]$ cat exp.sh export LC_ALL="zh_CN.GBK" export LANG="zh_CN.GBK" export TMP=/tmp export TMPDIR=/tmp export ORACLE_SID=racdb2 export ORACLE_BASE=/u01/app/oracl
rman target / catalog rman/rman; 使用恢复管理器执行backup、copy、restore或者switch命令时,恢复目录自动进行更新,但是有关日志与归档日志信息没有自动记入恢复目录。需要进行目录同步。使用resync catalog命令进行同步。 RMAN>resync catalog; 建立恢复目录
Recovery Manager: Release 10.2.0.4.0 - Production on Tue Mar 2 17:46:26 2010 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database: RACWEB (DBID=94500565) connec
ORA-12012 ,ORA-04063的解决方法 2009-02-26 11:59 Errors in file /oracle/admin/mydb1/bdump/mydb1_j003_5927.trc: ORA-12012: error on
[ CSSD]2010-05-26 19:15:07.589 [3153675504] >TRACE: clssscAllocAsyncMsg: msg (0x2aaab0008f78), asqhd (0x2aaab0008f50), flags 0x081 [ CSSD]2010-05-26
Oracle Database 10g for Windows安装 一、操作系统 l Windows Server 2003 l Windows 2000 SP1 l &nb
tail -F /llrac/app/oracle/product/10.2/db_1/network/log/listener_racdb6.log tail -F /llrac/app/oracle/product/10.2/db_1/network/log/listener_racdb5.log
set linesize 3000 col TABLESPACE_NAME for a20 SELECT tablespace_name, max_m, count_blocks free_blk_cnt, sum_free_m,to_char(100*sum_free_m/sum_m, '99.99') || '%' AS pct_free FROM ( SELECT ta
# tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora # Generated by Oracle configuration tools. RACWEB = (DESCRIPTION = &n
2010-03-24 16:21:36.865: [ OCRMSG][1485781312]prom_rpc: CLSC recv failure..ret code 7 2010-03-24 16:21:36.865: [ OCRMSG][1485781312]prom_rpc: possible OCR retry scenario 2010-03-24 16:21
| flow_query_tpl | | flow_rule | | flow_run  
[oracle@racdb6 ~]$ rman target / catalog rman/rman; Recovery Manager: Release 10.2.0.4.0 - Production on Tue Mar 2 17:46:26 2010 Copyright (c) 1982, 2007, Oracle. All rights reserved. connect
1、SHOW命令: 显示rman配置: RMAN> show all; 2、REPORT命令: 2.1、RMAN> report schema 报告目标数据库的物理结构; 2.2、RMAN>report need backup days=3; 报告最近3天没有被备份的数据文件; 2.3、RMAN> report need backup da
2010-02-06 19:26:05.318 [cssd(7590)]CRS-1612:node racdb5 (1) at 50% heartbeat fatal, eviction in 89.210 seconds 2010-02-06 19:26:50.324 [cssd(7590)]CRS-1611:node racdb5 (1) at 75% heartbeat fatal,
[oracle@racdb6 racdb6]$ tail -200 alertracdb6.log 2010-02-03 23:45:34.772[cssd(7582)]CRS-1610:node racdb5 (1) at 90% heartbeat fatal, eviction in 4.134 seconds2010-02-03 23:45:35.774[cssd(7582)]CRS-16
;/llrac/app/oracle/product/10.2/crs/bin/crsctl set css diagwait 9 ;/llrac/app/oracle/product/10.2/db_1/bin/crsctl set css trace 9 ;/llrac/app/oracle/product/10.2/db_1/bin/crsctl set css misscount 120
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