副标题[/!--empirenews.page--]
/* 参数文件里,TABLE参数中有cols和COLSEXCEPT 项 前者用来选择要capture的字段,后者指定要排除的字段 但是官方文档上有一句 Do not exclude key columns,and do not use COLSEXCEPT to exclude columns that contain unsupported data types. */ scott.bonus表无主键无唯一索引,若是在gg源端发出,会导致gg目的端abend,除非目的端复制进程参数文件有APPLYNOOPUPDATES 或者ALLOWNOOPUPDATES 参数)
--当目标端为oracle时 用rowid解决增量同步 --1. --源端 --add trandata hr.ah9 cols(id) nokey --目标端 alter table hr.ah9 add (row_id rowid); alter table hr.ah9 add constraint ah9_pk unique (row_id) enable; map hr.ah9,target hr.ah9 colmap (usedefaults,row_id = @token ("TKN-ROWID")) keycols (row_id);
--2.编辑ext1,排除不需要同步的列 或用COLS捕获需要同步的列 table ggs.test_pri,COLSEXCEPT (NAME2,NAME3);
一、环境描述: 源端: ip:192.168.92.31 os:redhat5.4 Oracle: 11.2.0.1.0 goldgate:12.1.2.1.0 for oracle 字符集:gbk 目标端: os:redhat5.4 Mysql:5.7.18 goldgate:12.1.2.1.0 for mysql ip:192.168.92.61 字符集:utf8
二、Oracle to Mysql 需要注意的地方: Supported data types for mysql: CHARDOUBLETINYTEXTVARCHARDATEMEDIUMTEXTINTTIMELONGTEXTTINYINTYEARBLOBSMALL INTDATETIMETINYBLOBMEDIUM INTTIMESTAMPMEDIUMBLOBBIG INTBINARYLONGBLOBDECIMALVARBINARYENUMFLOATTEXTBIT(M) Oracle GoldenGate supports InnoDB storage engine for a source MySQL database goldengate对mysql只支持innodb引擎 所以,在创建mysql端的表的时候,要指定表为innodb引擎。 create table mysql (name char(10)) engine=innodb; 当然5.5默认的存储引擎就是InnoDB。
三、Oracle端的基础配置 1.安装oracle11g略过 2.初始化ogg 将ogg压缩包(V34339-01.zip)解压到 /home/oracle/app/oracle/ogg 下 cd /home/oracle/app/oracle/ogg ./ggsci
--已存在 不需要执行 create subdirs Creating subdirectories under current directory /home/oracle/app/oracle/ogg Parameter files /home/oracle/app/oracle/ogg/dirprm: already exists Report files /home/oracle/app/oracle/ogg/dirrpt: created Checkpoint files /home/oracle/app/oracle/ogg/dirchk: created Process status files /home/oracle/app/oracle/ogg/dirpcs: created SQL script files /home/oracle/app/oracle/ogg/dirsql: created Database definitions files /home/oracle/app/oracle/ogg/dirdef: created Extract data files /home/oracle/app/oracle/ogg/dirdat: created Temporary files /home/oracle/app/oracle/ogg/dirtmp: created Stdout files /home/oracle/app/oracle/ogg/dirout: created 3.修改oracle数据库的参数 3.1 修改数据库为归档模式 3.2 打开辅助日志 alter database add supplemental log data; 3.3 关闭回收站 alter system set recyclebin=off deferred;
--Oracle11.2.0.4版本需要更改 ENABLE_GOLDENGATE_REPLICATION ALTER SYSTEM SET ENABLE_GOLDENGATE_REPLICATION = TRUE SCOPE=BOTH;
3.4 创建复制用的用户,并授权 --创建相应表空间 create tablespace oggtbs datafile ‘/home/oracle/app/oracle/oradata/ORCL/datafile/oggtbs01.dbf‘ size 500M autoextend on;
--授权 create user ggs identified by ggs default tablespace oggtbs; GRANT create table to ggs; GRANT CONNECT TO ggs; GRANT ALTER ANY TABLE TO ggs; GRANT ALTER SESSION TO ggs; GRANT CREATE SESSION TO ggs; GRANT FLASHBACK ANY TABLE TO ggs; GRANT SELECT ANY DICTIONARY TO ggs; GRANT SELECT ANY TABLE TO ggs; GRANT RESOURCE TO ggs; GRANT DELETE ANY TABLE TO ggs; GRANT INSERT ANY TABLE TO ggs; GRANT UPDATE ANY TABLE TO ggs; GRANT RESTRICTED SESSION TO ggs;
3.5 登陆到ogg,执行初始化 在源库上执行: GGSCI (ora11g) 2> edit params ./globals 在统计模式下输入并保存:ggschema ggs
在SQLPLUS 下去运行: quit sqlplus / as sysdba @sequence.sql 根据提示输入:ggs
--#必须,针对ddl复制 alter system set recyclebin=off deferred scope=both; --ogg安装目录执行配置脚本 prompt输入 ggs @marker_setup.sql @ddl_setup.sql @role_setup.sql
grant GGS_GGSUSER_ROLE to ggs; @ddl_enable.sql
--10g需要安装dbms_share_pool包: @?/rdbms/admin/dbmspool.sql ho @ddl_pin ggs;
四、Mysql端的基础配置 1.安装mysql5.7略过 2.给root配置密码: mysql> use mysql mysql> UPDATE user SET authentication_string =PASSWORD(‘123456‘) where USER=‘root‘ and host=‘root‘ or host=‘localhost‘; mysql> show grants for root; mysql> FLUSH PRIVILEGES; mysql> exit 3.因为复制需要二进制日志,所以启动mysql的时候需要启用二进制日志 mysqld_safe --user=mysql --log-bin=/tmp/binlog.001 --log-bin-index=/tmp/binlog.index --max-binlog-size=10M --binlog-do-db=mysql &
--解压安装ogg by zhuyj unzip V47367-01_GoldenGate V12.1.2.1.0 for MySQL on Linux x86-64.zip mkdir /usr/local/ogg tar -xvf ggs_Linux_x64_MySQL_64bit.tar /usr/local/ogg
4.创建ogg的初始化目录 [[email?protected] 11.2]$ ./ggsci
Oracle GoldenGate Command Interpreter for MySQL Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230 Linux,x64,64bit (optimized),MySQL Enterprise on Apr 23 2012 04:34:25 Copyright (C) 1995,2012,Oracle and/or its affiliates. All rights reserved.
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