異構平臺同步（Mysql到Oracle）

時間 2019-12-02

標籤異構平臺同步 mysql oracle 欄目 MySQL 简体版

原文原文鏈接

Oracle GoldenGate學習之--異構平臺同步（MySQL到Oracle）html

如圖所示：源端採用Mysql庫，目標端採用Oracle庫java

1、OGG安裝配置（源端）mysql

一、OGG下載linux

https://edelivery.oracle.com/EPD/Download/get_form?egroup_aru_number=14841438redis

https://edelivery.oracle.com/EPD/Download/get_form?egroup_aru_number=14841440sql

[oracle@ogg ogg_ms]$ uname -a數據庫

Linux ogg 2.6.32-71.el6.i686 #1 SMP Wed Sep 1 01:26:34 EDT 2010 i686 i686 i386 GNU/Linuxbash

[oracle@ogg ~]$ cd /u01/ogg_ms/
[oracle@ogg ogg_ms]$ ls
ggs_Linux_x86_MySQL_32bit.tar
[oracle@ogg ogg_ms]$ tar xvf ggs_Linux_x86_MySQL_32bit.tar

[oracle@ogg ogg_ms]$ ./ggsci
Oracle GoldenGate Command Interpreter for MySQL
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230
Linux, x86, 32bit (optimized), MySQL Enterprise on Apr 23 2012 04:29:30
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
GGSCI (ogg) 1> create subdirs
Creating subdirectories under current directory /u01/ogg_ms
Parameter files                /u01/ogg_ms/dirprm: already exists
Report files                   /u01/ogg_ms/dirrpt: created
Checkpoint files               /u01/ogg_ms/dirchk: created
Process status files           /u01/ogg_ms/dirpcs: created
SQL script files               /u01/ogg_ms/dirsql: created
Database definitions files     /u01/ogg_ms/dirdef: created
Extract data files             /u01/ogg_ms/dirdat: created
Temporary files                /u01/ogg_ms/dirtmp: created
Stdout files                   /u01/ogg_ms/dirout: created

2、數據庫配置網絡

源端：mysql庫配置oracle

數據庫配置文件：
[root@ogg ~]# cat /etc/my.cnf
# Replication Master Server (default)
# binary logging is required for replication
log-bin=mysql-bin

# binary logging format - mixed recommended
#binlog_format=mixed
  binlog_format=row

啓動數據庫服務
[root@ogg ~]# service mysql start
Starting MySQL  

鏈接數據庫                                           [  OK  ]
[root@ogg ~]# mysql -h localhost -u mysql -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.4-m7-log Source distribution
Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL v2 license
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.00 sec)
mysql> use test;
Database changed
mysql> show tables;
Empty set (0.00 sec)

建立測試表（存儲引擎採用innodb）
mysql> create table test2 (id int,name char(10)) engine=innodb;
Query OK, 0 rows affected (0.02 sec)
mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| test2          |
+----------------+
1 row in set (0.00 sec)
mysql> select * from test2;
Empty set (0.00 sec)

目標端：Oracle 庫配置：

16:06:46 SYS@ prod >create user test identified by test ;
User created.

16:08:05 SYS@ prod >grant connect,resource to test;
Grant succeeded.

16:08:12 SYS@ prod >conn test/test
Connected.

16:08:18 TEST@ prod >create table test2 (id int,name varchar2(10));
Table created.

3、OGG同步配置

源端：Mysql庫配置

[oracle@ogg ogg_ms]$ ./ggsci

Oracle GoldenGate Command Interpreter for MySQL
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230
Linux, x86, 32bit (optimized), MySQL Enterprise on Apr 23 2012 04:29:30
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
用戶登陸（root）：
GGSCI (ogg) 2> dblogin sourcedb test@localhost:3306,userid root,password oracle
Successfully logged into database.

配置mgr：
GGSCI (ogg) 3> edit param mgr
port 7809
dynamicportlist 7800-8000
autorestart extract *,waitminutes 2,resetminutes 5

GGSCI (ogg) 4> start mgr
Manager started.
GGSCI (ogg) 5> info mgr
Manager is running (IP port ogg.7809).

GGSCI (ogg) 6> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING

配置extract進程組：
GGSCI (ogg) 7> edit param ext_1
extract ext_1
setenv (MYSQL_HOME=」/var/lib/mysql」)
tranlogoptions altlogdest /var/lib/mysql/mysql-bin.index
sourcedb test@localhost:3306,userid root,password oracle
exttrail ./dirdat/e2
dynamicresolution
gettruncates
table test.test2;

GGSCI (ogg) 11> add extract ext_1,tranlog,begin now
EXTRACT added.
GGSCI (ogg) 12> add exttrail ./dirdat/e2,extract ext_1
EXTTRAIL added.

配置pump進程組：
GGSCI (ogg) 13> edit params pump_1
extract pump_1
rmthost 192.168.8.249,mgrport 7809
rmttrail /u01/ogg/dirdat/e2
passthru
gettruncates
table test.test2;

GGSCI (ogg) 14> add extract pump_1,exttrailsource ./dirdat/e2
EXTRACT added.

GGSCI (ogg) 15> add rmttrail  /u01/ogg/dirdat/e2,extract pump_1
RMTTRAIL added.

異構平臺配置defgen：

GGSCI (ogg) 16> edit params defgen
defsfile /u01/ogg_ms/dirdef/defgen.prm
sourcedb test@localhost:3306, userid root,password oracle
table test.test2;

[oracle@ogg ogg_ms]$ ./defgen paramfile dirprm/defgen.prm
***********************************************************************
        Oracle GoldenGate Table Definition Generator for MySQL
      Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230
 Linux, x86, 32bit (optimized), MySQL Enterprise on Apr 23 2012 04:59:19
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
                    Starting at 2014-09-26 16:01:05
***********************************************************************
Operating System Version:
Linux
Version #1 SMP Wed Sep 1 01:26:34 EDT 2010, Release 2.6.32-71.el6.i686
Node: ogg
Machine: i686
                         soft limit   hard limit
Address Space Size   :    unlimited    unlimited
Heap Size            :    unlimited    unlimited
File Size            :    unlimited    unlimited
CPU Time             :    unlimited    unlimited
Process id: 2606
***********************************************************************
**            Running with the following parameters                  **
***********************************************************************
defsfile /u01/ogg_ms/dirdef/defgen.prm
sourcedb test@localhost:3306, userid root,password ******
table test.test2;
Retrieving definition for test.test2
Definitions generated for 1 table in /u01/ogg_ms/dirdef/defgen.prm

傳送defgen文件到目標端：
[oracle@ogg ogg_ms]$ scp dirdef/defgen.prm rh6:/u01/ogg/dirdef
GGSCI (ogg) 5> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
EXTRACT     ABENDED     EXT_1       00:00:00      00:21:03
EXTRACT     RUNNING     PUMP_1      00:00:00      00:00:06

啓動extract和pump進程：
GGSCI (ogg) 6> start extract ext_1
Sending START request to MANAGER ...
EXTRACT EXT_1 starting
GGSCI (ogg) 7> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
EXTRACT     ABENDED     EXT_1       00:00:00      00:21:17
EXTRACT     RUNNING     PUMP_1      00:00:00      00:00:09

extract進程啓動異常（abended）！

查看日誌：

GGSCI (ogg) 36> view ggsevt

2014-09-26 17:24:56 INFO OGG-01053 Oracle GoldenGate Capture for MySQL, ext_1.prm: Recovery completed for target file ./dirdat/e20

00026, at RBA 961.

2014-09-26 17:24:56 INFO OGG-01057 Oracle GoldenGate Capture for MySQL, ext_1.prm: Recovery completed for all targets.

2014-09-26 17:24:56 INFO OGG-00182 Oracle GoldenGate Capture for MySQL, ext_1.prm: VAM API running in single-threaded mode.

2014-09-26 17:24:56 INFO OGG-01515 Oracle GoldenGate Capture for MySQL, ext_1.prm: Positioning to begin time Sep 26, 2014 3:52:01

PM.

2014-09-26 17:24:56 ERROR OGG-00146 Oracle GoldenGate Capture for MySQL, ext_1.prm: VAM function VAMInitialize returned unexpected

result: error 600 - VAM Client Report <CAUSE OF FAILURE : ERROR NO 13 - Failed to access index file : Check File PATH/EXISTENCE/PERMISSI

ONS - /var/lib/mysql/mysql-bin.index

WHEN FAILED : While initializing binary log configuration

WHERE FAILED : MySQLBinLog Reader Module

CONTEXT OF FAILURE : No Information Available!>.

2014-09-26 17:24:56 ERROR OGG-01668 Oracle GoldenGate Capture for MySQL, ext_1.prm: PROCESS ABENDING.

附錄：解決方法（參考網絡文檔）

GoldenGate的官方文檔明確表示，GoldenGate須要將MySQL的日誌格式（binlog_format）設置爲ROW，其餘兩種格式（MIXED or STATEMENT）是不支持。

########################################################################官方描述以下：

binlog_format: This parameter sets the format of the logs. It must be set to the value of ROW, which directs the database to log DML statements in binary format. Any other log format (MIXED or STATEMENT) causes Extract to abend.

########################################################################

可是MySQL在版本5.1.5以前是不支持ROW和MIXED格式（MySQL 5.1.5引入ROW，5.1.8引入MIXED）

#### 官方描述以下：http://dev.mysql.com/doc/refman/5.1/en/binary-log-formats.html

Support for row-based logging was added in MySQL 5.1.5. Mixed logging is available beginning with MySQL 5.1.8. In MySQL 5.1.12,MIXED become the default logging mode; in 5.1.29, the default was changed back to STATEMENT for compatibility with MySQL 5.0.

########################################################################

目前客戶的MySQL版本是5.0.6-beta版：

D:\MySQL Server 5.0\bin>mysql -u root -p

Enter password: *****

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 111 to server version: 5.0.6-beta-nt-log

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the buffer.

mysql> select version();

+-------------------+

| version() |

+-------------------+

| 5.0.6-beta-nt-log|

+-------------------+

1 row in set (0.02 sec)

這個版本是不支持binlog_format=ROW，因此安裝好GolenGate後，啓動抽取進程時，進程abend

########################################################################下面是出錯信息：

2014-09-16 16:55:16 ERROR OGG-00146 VAM function VAMRead returned unexpected result: error 600 - VAM Client Report <CAUSE OF FAILURE : STATEMENT or MIXED level logging found so abending

WHEN FAILED : While reading log event from binary log

WHERE FAILED : MySQLBinLog Reader Module

CONTEXT OF FAILURE : No Information Available!>

所以若是想要採用GoldenGate來實現MySQL的數據實時同步，須要將MySQL版本升級到5.1.5以上.

4、目標端ogg配置

配置MGR
GGSCI (rh6.cuug.net) 4> edit params mgr
port 7809
dynamicportlist 7800-8000
autorestart extract *,waitminutes 2,resetminutes 5
~
GGSCI (rh6.cuug.net) 5> start mgr
Manager started.
GGSCI (rh6.cuug.net) 6> info mgr
Manager is running (IP port rh6.cuug.net.7809).

配置replicat進程組：
[oracle@rh6 ogg]$ ./ggsci
Oracle GoldenGate Command Interpreter for Oracle
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230_FBO
Linux, x86, 32bit (optimized), Oracle 11g on Apr 23 2012 08:09:25
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
GGSCI (rh6.cuug.net) 1>
GGSCI (rh6.cuug.net) 1> edit param rep_1
replicat rep_1
sourcedefs /u01/ogg/dirdef/defgen.prm
userid ogg,password ogg
reperror default,discard
discardfile /u01/ogg/dirrpt/rep_1.dsc,append,megabytes 50
dynamicresolution
map test.test2, target test.test2;

GGSCI (rh6.cuug.net) 1>  add replicat rep_1,exttrail /u01/ogg/dirdat/e2
REPLICAT added.

啓動mgr和replicat進程：
GGSCI (rh6.cuug.net) 3> start mgr
Manager started.
GGSCI (rh6.cuug.net) 4> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
REPLICAT    STOPPED     REP_1       00:00:00      00:00:34
REPLICAT    ABENDED     RORA_1      00:00:00      383:08:47

GGSCI (rh6.cuug.net) 5> start replicat rep_1
Sending START request to MANAGER ...
REPLICAT REP_1 starting
GGSCI (rh6.cuug.net) 6> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
REPLICAT    RUNNING     REP_1       00:00:00      00:00:00

因爲源端extract進程異常，數據不能同步，問題未解決，歡迎指導，待續...

問題解決：

更換mysql-5.5.12的版本，目前Golden Gate 版本不支持mysql-5.6

GGSCI (ogg) 1> edit param ext_1

配置/etc/my.cnf文件：

# binary logging is required for replication
log-bin=/var/lib/mysql/mysql-bin
log-bin-index=/var/lib/mysql/mysql-bin.index
# binary logging format - mixed recommended
#binlog_format=mixed
binlog_format=row

並編輯extract進程組配置文件

GGSCI (ogg) 1> edit param ext_1

extract ext_1

setenv (MYSQL_HOME=」/var/lib/mysql」)

tranlogoptions altlogdest /var/lib/mysql/mysql-bin.index

sourcedb test@localhost:3306,userid root,password oracle

exttrail ./dirdat/e2

dynamicresolution

gettruncates

table test.test2;

啓動extract 進程

GGSCI (ogg) 2> start ext_1
Sending START request to MANAGER ...
EXTRACT EXT_1 starting
GGSCI (ogg) 3> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
EXTRACT     ABENDED     EXT_1       00:00:00      72:19:40
EXTRACT     RUNNING     PUMP_1      00:00:00      00:00:01

仍然失敗，如下爲ogg日誌：

[root@ogg ogg_ms]# tail ggserr.log

2014-09-29 16:29:09  INFO    OGG-01026  Oracle GoldenGate Capture for MySQL, ext_1.prm:  Rolling over remote file ./dirdat/e2000143.
2014-09-29 16:29:09  INFO    OGG-01053  Oracle GoldenGate Capture for MySQL, ext_1.prm:  Recovery completed for target file ./dirdat/e2000144, at RBA 959.
2014-09-29 16:29:09  INFO    OGG-01057  Oracle GoldenGate Capture for MySQL, ext_1.prm:  Recovery completed for all targets.
2014-09-29 16:29:09  INFO    OGG-00182  Oracle GoldenGate Capture for MySQL, ext_1.prm:  VAM API running in single-threaded mode.
2014-09-29 16:29:09  INFO    OGG-01515  Oracle GoldenGate Capture for MySQL, ext_1.prm:  Positioning to begin time Sep 26, 2014 3:52:01 PM.
2014-09-29 16:29:09  ERROR   OGG-00146  Oracle GoldenGate Capture for MySQL, ext_1.prm:  VAM function VAMInitialize returned unexpected result: error 600 - VAM Client Report <CAUSE OF FAILURE : Position time is prior then earliest time available in the log : Earliest time available in the log is 2014-09-29 15:34:40
WHEN FAILED : SetInitialPosition by time stamp
WHERE FAILED : MySQLBinLog Reader Module
CONTEXT OF FAILURE : No Information Available!>.
2014-09-29 16:29:09  ERROR   OGG-01668  Oracle GoldenGate Capture for MySQL, ext_1.prm:  PROCESS ABENDING.

從新刪除extract進程組，從新添加

bash-4.1$ ./ggsci
Oracle GoldenGate Command Interpreter for MySQL
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230
Linux, x86, 32bit (optimized), MySQL Enterprise on Apr 23 2012 04:29:30
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
GGSCI (ogg) 1> delete extract ext_1
Deleted EXTRACT EXT_1.
GGSCI (ogg) 2> add extract ext_1,tranlog,begin now
EXTRACT added.
GGSCI (ogg) 3> add exttrail ./dirdat/e2,extract ext_1
EXTTRAIL added.
GGSCI (ogg) 4> start ext_1
Sending START request to MANAGER ...
EXTRACT EXT_1 starting
GGSCI (ogg) 5> info all
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
MANAGER     RUNNING
EXTRACT     RUNNING     EXT_1       00:00:23      00:00:03
EXTRACT     RUNNING     PUMP_1      00:00:00      00:00:01

extract進程，啓動成功！

查看日誌：

-bash-4.1$ tail ggserr.log

2014-09-29 16:55:12 INFO OGG-00993 Oracle GoldenGate Capture for MySQL, ext_1.prm: EXTRACT EXT_1 started.
2014-09-29 16:55:12 INFO OGG-01055 Oracle GoldenGate Capture for MySQL, ext_1.prm: Recovery initialization completed for target file ./dirdat/e2000155, at RBA 959.
2014-09-29 16:55:12 INFO OGG-01478 Oracle GoldenGate Capture for MySQL, ext_1.prm: Output file ./dirdat/e2 is using format RELEASE 11.2.
2014-09-29 16:55:12 WARNING OGG-01438 Oracle GoldenGate Capture for MySQL, ext_1.prm: Checkpoint marked as from graceful shutdown, but records found after checkpoint in trail ./dirdat/e2. Expected EOF Seqno 0, RBA 0. Found Seqno 155, RBA 959.
2014-09-29 16:55:12 INFO OGG-01026 Oracle GoldenGate Capture for MySQL, ext_1.prm: Rolling over remote file ./dirdat/e2000155.
2014-09-29 16:55:12 INFO OGG-01053 Oracle GoldenGate Capture for MySQL, ext_1.prm: Recovery completed for target file ./dirdat/e2000156, at RBA 959.
2014-09-29 16:55:12 INFO OGG-01057 Oracle GoldenGate Capture for MySQL, ext_1.prm: Recovery completed for all targets.
2014-09-29 16:55:12 INFO OGG-00182 Oracle GoldenGate Capture for MySQL, ext_1.prm: VAM API running in single-threaded mode.
2014-09-29 16:55:12 INFO OGG-01515 Oracle GoldenGate Capture for MySQL, ext_1.prm: Positioning to begin time Sep 29, 2014 4:54:48 PM.

數據同步，任務繼續...

本文出自「天涯客的blog」博客，請務必保留此出處http://tiany.blog.51cto.com/513694/1558620