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基于OGG實(shí)現(xiàn)Oracle實(shí)時(shí)同步MySQL的全過程

 更新時(shí)間：2023年11月27日 09:24:44   作者：IT邦德  
這篇文章詳細(xì)闡述了基于OGG實(shí)現(xiàn)Oracle實(shí)時(shí)同步MySQL全過程,文中通過圖文結(jié)合和代碼示例給大家講解的非常詳細(xì),對(duì)大家的學(xué)習(xí)或工作有一定的幫助,需要的朋友可以參考下

1.架構(gòu)設(shè)計(jì)

2.OGG安裝部署

2.1 OGG for Oracle

1.OGG下載地址：
https://www.oracle.com/middleware/technologies/goldengate-downloads.html

創(chuàng)建OGG使用目錄

chown -R oracle:oinstall /oraogg
chmod 775 -R /oraogg

2.環(huán)境變量如下

vi .bash_profile

export GG_HOME=/oraogg/goldengate
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin:$GG_HOME
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
alias ggsci='cd $GG_HOME;ggsci'

source .bash_profile

3.靜默安裝
cd /oraogg/fbo_ggs_Linux_x64_Oracle_shiphome/Disk1/response
vi /oraogg/fbo_ggs_Linux_x64_Oracle_shiphome/Disk1/response/oggcore.rsp

--只修改如下3個(gè)地方即可。
INSTALL_OPTION=ora19c
SOFTWARE_LOCATION=/oraogg/goldengate
INVENTORY_LOCATION=/u01/app/oraInventory
/u01/app/oracle/product/19.3.0/db_1

使用如下命令靜默安裝：

/oraogg/fbo_ggs_Linux_x64_Oracle_shiphome/Disk1/runInstaller -silent
-responseFile /oraogg/fbo_ggs_Linux_x64_Oracle_shiphome/Disk1/response/oggcore.rsp

OGG初始化

cd /ogg
./ggsci
create subdirs

2.2 OGG for MySQL

1.安裝客戶端

yum install https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
yum install mysql-community-server --nogpgcheck

2.創(chuàng)建oggm用戶運(yùn)行OGG for MySQL軟件，安裝目錄為/oggmysql

groupadd -g 1005 ogg
useradd -g ogg -u 1005 -m oggm
mkdir -p /oggmysql
chown oggm:ogg /oggmysql

3.解壓縮安裝

cd /oggmysql/
unizp 213000_ggs_Linux_x64_MySQL_64bit.zip
tar -xf ggs_Linux_x64_MySQL_64bit.tar
[root@ogg21all oggmysql]# ./ggsci -V
Oracle GoldenGate Command Interpreter for MySQL
Version 21.3.0.0.0 OGGCORE_21.3.0.0.0_PLATFORMS_210728.1047
Oracle Linux 7, x64, 64bit (optimized), MySQL on Jul 28 2021 18:17:46
Copyright ? 1995, 2021, Oracle and/or its affiliates. All rights reserved.

4.配置

su - oggm
$ /oggmysql/ggsci
GGSCI (ogg21all) 1> create subdirs

5.環(huán)境變量設(shè)置

vi .bash_profile

export GG_HOME=/oggmysql
export PATH=$PATH:$HOME/bin:$GG_HOME
alias ggsci='cd $GG_HOME;ggsci'

source .bash_profile

3.Oracle相關(guān)配置

3.1 參數(shù)調(diào)整

– oracle數(shù)據(jù)庫配置

1.開啟數(shù)據(jù)庫歸檔–如果沒有開啟

2.開啟數(shù)據(jù)庫級(jí)別附加日志–如果沒有開始最小附加日志

3.開啟強(qiáng)制日志–如果沒有開啟強(qiáng)制日志

4.設(shè)置ENABLE_GOLDENGATE_REPLICAT參數(shù)為TRUE

5.創(chuàng)建OGG用戶包括包括源端用戶、目標(biāo)端用戶以及OGG抽取用戶

alter database add supplemental log data;
alter database add supplemental log data (all) columns;
alter database force logging;
alter system set enable_goldengate_replication=TRUE;
##修改歸檔路徑
mkdir -p /home/oracle/arch
SYS@oradb> alter system set log_archive_dest_1=‘location=/home/oracle/arch';
System altered.
SYS@oradb> archive log list
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/app/oracle/arch
Oldest online log sequence 3
Next log sequence to archive 5
Current log sequence 5
SYS@oradb> select name,supplemental_log_data_min , force_logging, log_mode from v$database;
NAME               SUPPLEMENTAL_LOG FORCE_LOGGING     LOG_MODE
------------------ ---------------- ----------------- ------------------------
ORCLCDB            YES              YES               ARCHIVELOG

##關(guān)閉回收站
SQL> SHOW PARAMETER recyclebin;
SQL> ALTER SYSTEM SET recyclebin = OFF SCOPE = SPFILE;
SQL> show recyclebin;
SQL> PURGE recyclebin;

3.2 新增用戶

-- OGG管理用戶
SYS@oradb> alter session set container=ORCLPDB1;

CREATE USER ogg identified by oracle;
GRANT DBA to ogg;
grant SELECT ANY DICTIONARY to ogg;
GRANT EXECUTE ON SYS.DBMS_LOCK TO ogg;
grant select any transaction to ogg;
grant select any table to ogg;
grant flashback any table to ogg;
grant alter any table to ogg;

exec dbms_goldengate_auth.grant_admin_privilege('OGG','*',TRUE); 


-- 業(yè)務(wù)用戶
CREATE USER rptuser identified by oracle;
GRANT DBA to rptuser ;
grant SELECT ANY DICTIONARY to rptuser;
GRANT EXECUTE ON SYS.DBMS_LOCK TO rptuser;

4.MySQL數(shù)據(jù)初始化

1.生成MySQL端DDL語句
可以使用Navicat的數(shù)據(jù)傳輸功能或其它工具直接從Oracle端生成MySQL類型的建表語句如下：

mysql -uroot -proot
create database rptdb;

mysql -uroot -proot -h 172.18.12.91 -D rptdb -f < ddl.sql


2.DDL語句如下
SET NAMES utf8; 
SET FOREIGN_KEY_CHECKS = 0; 

DROP TABLE IF EXISTS `ADDRESSES`; 
CREATE TABLE `ADDRESSES` 
( `ADDRESS_ID` decimal(12, 0) NOT NULL, 
`CUSTOMER_ID` decimal(12, 0) NOT NULL, 
`DATE_CREATED` datetime NOT NULL, 
`HOUSE_NO_OR_NAME` varchar(60) NULL, 
`STREET_NAME` varchar(60) NULL, 
`TOWN` varchar(60) NULL, 
`COUNTY` varchar(60) NULL, 
`COUNTRY` varchar(60) NULL, 
`POST_CODE` varchar(12) NULL, 
`ZIP_CODE` varchar(12) NULL, 
PRIMARY KEY (`ADDRESS_ID`), 
INDEX `ADDRESS_CUST_IX`(`CUSTOMER_ID` ASC) 
);

----- Table structure for CARD_DETAILS ----
DROP TABLE IF EXISTS `CARD_DETAILS`; 
CREATE TABLE `CARD_DETAILS` 
( `CARD_ID` decimal(12, 0) NOT NULL, 
`CUSTOMER_ID` decimal(12, 0) NOT NULL, 
`CARD_TYPE` varchar(30) NOT NULL, 
`CARD_NUMBER` decimal(12, 0) NOT NULL, 
`EXPIRY_DATE` datetime NOT NULL, 
`IS_VALID` varchar(1) NOT NULL, 
`SECURITY_CODE` decimal(6, 0) NULL, 
PRIMARY KEY (`CARD_ID`), 
INDEX `CARDDETAILS_CUST_IX`(`CUSTOMER_ID` ASC) 
);


---- Table structure for CUSTOMERS ----
DROP TABLE IF EXISTS `CUSTOMERS`; 
CREATE TABLE `CUSTOMERS` 
( `CUSTOMER_ID` decimal(12, 0) NOT NULL, 
`CUST_FIRST_NAME` varchar(40) NOT NULL, 
`CUST_LAST_NAME` varchar(40) NOT NULL, 
`NLS_LANGUAGE` varchar(3) NULL, 
`NLS_TERRITORY` varchar(30) NULL, 
`CREDIT_LIMIT` decimal(9, 2) NULL, 
`CUST_EMAIL` varchar(100) NULL, 
`ACCOUNT_MGR_ID` decimal(12, 0) NULL, 
`CUSTOMER_SINCE` datetime NULL, 
`CUSTOMER_CLASS` varchar(40) NULL, 
`SUGGESTIONS` varchar(40) NULL, 
`DOB` datetime NULL, `MAILSHOT` varchar(1) NULL, 
`PARTNER_MAILSHOT` varchar(1) NULL, 
`PREFERRED_ADDRESS` decimal(12, 0) NULL, 
`PREFERRED_CARD` decimal(12, 0) NULL, 
PRIMARY KEY (`CUSTOMER_ID`), 
INDEX `CUST_ACCOUNT_MANAGER_IX`(`ACCOUNT_MGR_ID` ASC), 
INDEX `CUST_DOB_IX`(`DOB` ASC), 
INDEX `CUST_EMAIL_IX`(`CUST_EMAIL` ASC) 
);

5.Oracle OGG設(shè)置

[root@ogg21all /]# su - oracle
[oracle@ogg21all ~]$ ggsci
GGSCI (ogg21all) 2> edit params mgr
PORT 7809
add credentialstore
alter credentialstore add user ogg@172.18.12.90/oradb, password oracle alias ora19c
INFO CREDENTIALSTORE
GGSCI (ogg21all) 7> INFO CREDENTIALSTORE
Reading from credential store:
Default domain: OracleGoldenGate
Alias: ora19c
Userid: ogg@172.18.12.90/oradb
dblogin useridalias ora19c
ADD SCHEMATRANDATA RPTUSER
INFO SCHEMATRANDATA RPTUSER
list tables RPTUSER.*

6.MySQL OGG設(shè)置

GGSCI (ogg21all) 1> edit params mgr
port 8809
GGSCI (ogg21all) 2> start mgr
Manager started.
GGSCI (ogg21all) 3> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING

7.全量同步數(shù)據(jù)

Oracle全量同步到MySQL
注意：在此階段，源端需要停業(yè)務(wù)，不能產(chǎn)生新數(shù)據(jù)。

-- oracle端
edit params ext0
EXTRACT ext0
USERIDALIAS ora19c
rmthost 127.0.0.1,mgrport 8809
rmttask replicat,group rep0
TABLE RPTUSER.ADDRESSES;
TABLE RPTUSER.CARD_DETAILS;
TABLE RPTUSER.CUSTOMERS;

add extract ext0 ,sourceistable
delete extract ext0



-- MySQL端
edit params rep0
replicat rep0
targetdb rptdb@172.18.12.91:3306 userid root password root
map RPTUSER.ADDRESSES, target rptdb.ADDRESSES;
map RPTUSER.CARD_DETAILS, target rptdb.CARD_DETAILS;
map RPTUSER.CUSTOMERS, target rptdb.CUSTOMERS;

add replicat rep0 ,specialrun
delete replicat rep0


-- 直接啟動(dòng)源端ext0即可，rep0不用啟動(dòng),MGR會(huì)自動(dòng)啟動(dòng)它，等同步結(jié)束，它會(huì)自動(dòng)關(guān)閉
start ext0


-- 查看日志
info rep0,showch
view report rep0

--登錄驗(yàn)證數(shù)據(jù)
mysql -uroot -proot -h 172.18.12.91 -D rptdb

mysql> select count(*) from ADDRESSES;
+----------+
| count(*) |
+----------+
|      150 |
+----------+
1 row in set (0.04 sec)

mysql> select count(*) from CARD_DETAILS;
+----------+
| count(*) |
+----------+
|      150 |
+----------+
1 row in set (0.05 sec)

mysql> select count(*) from CUSTOMERS;
+----------+
| count(*) |
+----------+
|      100 |
+----------+
1 row in set (0.04 sec)

GGSCI (ogg21all as ogg@oradb) 21> info ext0

Extract    EXT0      Last Started 2023-11-25 18:58   Status STOPPED
Checkpoint Lag       Not Available
Log Read Checkpoint  Table RPTUSER.CUSTOMERS
                     2023-11-25 18:58:46  Record 100
Task                 SOURCEISTABLE

8.增量時(shí)實(shí)同步

8.1 Oracle端

ADD EXTRACT exto INTEGRATED TRANLOG BEGIN NOW
ADD EXTTRAIL ./dirdat/eo EXTRACT exto
dblogin useridalias ora19c
REGISTER EXTRACT exto DATABASE
edit params exto
EXTRACT exto
USERIDALIAS ora19c
TRANLOGOPTIONS FETCHPARTIALLOB
EXTTRAIL ./dirdat/eo
TABLE RPTUSER.ADDRESSES;
TABLE RPTUSER.CARD_DETAILS;
TABLE RPTUSER.CUSTOMERS;

啟動(dòng)exto

start exto
GGSCI (ogg21all as ogg@oradb) 12> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING EXTO 00:02:19 00:00:08

8.2 MySQL端

edit params repm
replicat repm
targetdb rptdb@172.18.12.91:3306 userid root password root
map RPTUSER.ADDRESSES, target rptdb.ADDRESSES;
map RPTUSER.CARD_DETAILS, target rptdb.CARD_DETAILS;
map RPTUSER.CUSTOMERS, target rptdb.CUSTOMERS;
add rep repm, exttrail /oraogg/goldengate/dirdat/eo, NODBCHECKPOINT
delete rep repm
start repm

9.測(cè)試同步

1.Oracle端測(cè)試產(chǎn)生數(shù)據(jù)
SYS@oradb> DELETE FROM RPTUSER.ADDRESSES WHERE ADDRESS_ID=150;

GGSCI (ogg21all as ogg@oradb) 21> stats exto,total

Sending STATS request to Extract group EXTO ...

Start of statistics at 2023-11-25 19:36:13.

Output to ./dirdat/eo:

Extracting from RPTUSER.ADDRESSES to RPTUSER.ADDRESSES:

*** Total statistics since 2023-11-25 19:25:02 ***
    Total inserts                              0.00
    Total updates                              0.00
    Total deletes                              1.00
    Total upserts                              0.00
    Total discards                             0.00
    Total operations                           1.00

End of statistics.

2.mysql端插入數(shù)據(jù)
mysql -uroot -proot -h 172.18.12.91 -D rptdb
mysql> select count(*) from ADDRESSES;

GGSCI (ogg21all) 18> stats repm,total

Sending STATS request to Replicat group REPM ...

Start of statistics at 2023-11-25 19:56:10.

Replicating from RPTUSER.ADDRESSES to rptdb.ADDRESSES:

*** Total statistics since 2023-11-25 19:54:49 ***
    Total inserts                              0.00
    Total updates                              0.00
    Total deletes                              1.00
    Total upserts                              0.00
    Total discards                             0.00
    Total operations                           1.00

End of statistics.

mysql> SELECT * FROM ADDRESSES WHERE ADDRESS_ID=150;
Empty set (0.00 sec)

mysql> select database();
+------------+
| database() |
+------------+
| rptdb      |
+------------+
1 row in set (0.00 sec)

以上就是基于OGG實(shí)現(xiàn)Oracle實(shí)時(shí)同步MySQL的全過程的詳細(xì)內(nèi)容，更多關(guān)于Oracle實(shí)時(shí)同步MySQL的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章！

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