ogg同步部分列配置

--原文：http://www.xifenfei.com/2015/09/ogg%E5%90%8C%E6%AD%A5%E9%83%A8%E5%88%86%E5%88%97%E9%85%8D%E7%BD%AE.html

最近有客户需求,a库在内网,b库在外网,希望同步a库中几个基础业务表的每个表的几个字段同步到b库中,采用a–>c–>b的方式来实现同步(c同时接通内外网)

源端数据库准备
启动归档模式，开启强制日志和辅助日志，创建测试用户/表，ogg用户

SQL> create user xifenfei identified by xifenfei;

 

User created.

 

SQL> grant dba to xifenfei;

 

Grant succeeded.

 

SQL> conn xifenfei/xifenfei

Connected.

SQL> create table t_xifenfei as select * from dba_objects;

 

Table created.

 

SQL> alter table t_xifenfei add constraint pk_t_xifenfei primary key(object_id);

 

Table altered.

 

 

SQL> archive log list;

Database log mode              No Archive Mode

Automatic archival             Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     9

Current log sequence           11

 

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup mount;

ORACLE instance started.

 

Total System Global Area  901775360 bytes

Fixed Size                  2024944 bytes

Variable Size             239077904 bytes

Database Buffers          658505728 bytes

Redo Buffers                2166784 bytes

Database mounted.

SQL> alter database archivelog;

 

Database altered.

 

SQL> alter database open;

 

Database altered.

 

SQL> alter database force logging;

 

Database altered.

 

SQL>  alter database add supplemental log data;

 

Database altered.

 

SQL> alter system switch logfile;

 

System altered.

 

SQL> create user ogg identified by oracle;

 

User created.

 

SQL> grant dba to ogg;

 

Grant succeeded.

配置mgr进程

[oracle@xffdbrh5 ogg]$ export PATH=/u01/ogg:$PATH

[oracle@xffdbrh5 ogg]$ export LD_LIBRARY_PATH=/u01/ogg:$ORACLE_HOME/lib

 

[oracle@xffdbrh5 ogg]$ ./ggsci

 

Oracle GoldenGate Command Interpreter for Oracle

Version 11.2.1.0.5_02 16363018 OGGCORE_11.2.1.0.6_PLATFORMS_130301.1500_FBO

Linux, x64, 64bit (optimized), Oracle 10g on Mar  1 2013 19:04:05

 

Copyright (C) 1995, 2013, Oracle and/or its affiliates. All rights reserved.

 

 

GGSCI (xffdbrh5) 1> create subdirs

 

Creating subdirectories under current directory /u01/ogg

 

Parameter files                /u01/ogg/dirprm: already exists

Report files                   /u01/ogg/dirrpt: created

Checkpoint files               /u01/ogg/dirchk: created

Process status files           /u01/ogg/dirpcs: created

SQL script files               /u01/ogg/dirsql: created

Database definitions files     /u01/ogg/dirdef: created

Extract data files             /u01/ogg/dirdat: created

Temporary files                /u01/ogg/dirtmp: created

Stdout files                   /u01/ogg/dirout: created

 

GGSCI (xffdbrh5) 2> edit param mgr

port 7839

DYNAMICPORTLIST 7840-7850

AUTOSTART EXTRACT *

AUTORESTART EXTRACT *

PURGEOLDEXTRACTS ./dirdat/*,usecheckpoints, minkeepdays 7

LAGREPORTHOURS 1

LAGINFOMINUTES 30

LAGCRITICALMINUTES 45

 

GGSCI (xffdbrh5) 3> dblogin userid ogg, password oracle

Successfully logged into database.

 

GGSCI (xffdbrh5) 4> add checkpointtable ogg.ggs_checkpoint

 

Successfully created checkpoint table ogg.ggs_checkpoint.

 

GGSCI (xffdbrh5) 5> EDIT PARAMS ./GLOBALS

ogg.ggs_checkpoint

 

 

GGSCI (xffdbrh5) 6> start mgr

 

Manager started.

 

 

GGSCI (xffdbrh5) 7> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

配置extract进程

GGSCI (xffdbrh5) 3> dblogin userid ogg, password oracle

Successfully logged into database.

 

GGSCI (xffdbrh5) 4> add trandata xifenfei.t_xifenfei

 

Logging of supplemental redo data enabled for table XIFENFEI.T_XIFENFEI.

 

GGSCI (xffdbrh5) 5>  add extract ext_1, tranlog, begin now, threads 1

EXTRACT added.

 

 

GGSCI (xffdbrh5) 6>  add EXTTRAIL ./dirdat/r1, extract ext_1,megabytes 100

EXTTRAIL added.

 

GGSCI (xffdbrh5) 7> edit param ext_1

EXTRACT ext_1

userid ogg,password oracle

REPORTCOUNT EVERY 1 MINUTES, RATE

numfiles 5000

DISCARDFILE ./dirrpt/ext_1.dsc,APPEND,MEGABYTES 1024

DISCARDROLLOVER AT 3:00

exttrail ./dirdat/r1,megabytes 100

dynamicresolution

TRANLOGOPTIONS DISABLESUPPLOGCHECK   --bug 16857778

TABLE xifenfei.t_xifenfei, COLS (OWNER, OBJECT_NAME, SUBOBJECT_NAME, OBJECT_ID);

 

GGSCI (xffdbrh5) 8> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

EXTRACT     STOPPED     EXT_1       00:00:00      00:00:22   

 

GGSCI (xffdbrh5) 9> start ext_1

 

Sending START request to MANAGER ...

EXTRACT EXT_1 starting

 

 

GGSCI (xffdbrh5) 10> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

EXTRACT     RUNNING     EXT_1       00:01:18      00:00:00   

配置pump data进程

　　　　　　　　　　

　　　　　　　　　　　　add extract dpe_1,exttrailsource ./dirdat/r1
　　　　　　　　　　　　add rmttrail ./dirdat/t1, extract dpe_1

GGSCI (xffdbrh5) 1> edit param dpe_1

 

 

extract dpe_1

dynamicresolution

passthru

rmthost 192.168.137.251, mgrport 7839, compress

rmttrail ./dirdat/t1

numfiles 5000

TABLE xifenfei.t_xifenfei;

 

 

GGSCI (xffdbrh5) 2> start dpe_1

 

Sending START request to MANAGER ...

EXTRACT DPE_1 starting

 

 

GGSCI (xffdbrh5) 3> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

EXTRACT     RUNNING     DPE_1       00:00:00      00:16:47   

EXTRACT     RUNNING     EXT_1       00:00:00      00:00:07   

目标端数据库准备

[oracle@xifenfei ~]$ sqlplus / as sysdba

 

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 13 00:40:19 2014

 

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

 

 

Connected to:

Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

 

SQL> create user ogg identified by oracle;

 

User created.

 

SQL> grant dba to ogg;

 

Grant succeeded.

 

SQL> create user xff identified by xifenfei;

 

User created.

 

SQL> grant dba to xff;

 

Grant succeeded.

 

SQL> conn xff/xifenfei

Connected.

SQL> create  database link syc_data

  2    connect to ogg identified by oracle

  3    using '(DESCRIPTION =

  4    (ADDRESS_LIST =

  5    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.137.252)(PORT = 1521))

  6    )

  7    (CONNECT_DATA =

  8    (SERVER = DEDICATED)

  9    (SERVICE_NAME = ora10g)

 10    )

 11    )';

 

Database link created.

 

SQL> select count(*) from xifenfei.t_xifenfei@syc_data;

 

  COUNT(*)

----------

      9917

 

SQL> SELECT CURRENT_SCN FROM V$DATABASE@syc_data;

 

CURRENT_SCN

-----------

     793069

 

SQL> create table xff.t_xff as select OWNER, OBJECT_NAME, SUBOBJECT_NAME,

 2 > OBJECT_ID from xifenfei.t_xifenfei@syc_data AS OF SCN  793069;

 

Table created.

 

SQL> alter table xff.t_xff add constraint pk_t_xff primary key(object_id);

 

Table altered.

目标端mgrp配置

[oracle@xifenfei ogg]$export LD_LIBRARY_PATH=/home/oracle/amdu:$ORACLE_HOME/lib:/u01/oracle/oradata/ogg

[oracle@xifenfei 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 10g on Apr 23 2012 07:06:02

 

Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.

GGSCI (xifenfei) 8> edit param mgr

port 7839

DYNAMICPORTLIST 7840-7850

PURGEOLDEXTRACTS ./dirdat/*,usecheckpoints, minkeepdays 7

autorestart extract *, waitminutes 1, retries 60

autorestart replicat *, waitminutes 1, retries 60

LAGREPORTHOURS 1

LAGINFOMINUTES 30

LAGCRITICALMINUTES 45

 

GGSCI (xifenfei) 12> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     STOPPED                                          

 

 

GGSCI (xifenfei) 13> create subdirs

 

Creating subdirectories under current directory /u01/oracle/oradata/ogg

 

Parameter files                /u01/oracle/oradata/ogg/dirprm: already exists

Report files                   /u01/oracle/oradata/ogg/dirrpt: already exists

Checkpoint files               /u01/oracle/oradata/ogg/dirchk: already exists

Process status files           /u01/oracle/oradata/ogg/dirpcs: already exists

SQL script files               /u01/oracle/oradata/ogg/dirsql: already exists

Database definitions files     /u01/oracle/oradata/ogg/dirdef: already exists

Extract data files             /u01/oracle/oradata/ogg/dirdat: already exists

Temporary files                /u01/oracle/oradata/ogg/dirtmp: already exists

Stdout files                   /u01/oracle/oradata/ogg/dirout: already exists

 

GGSCI (xifenfei) 2> dblogin userid ogg, password oracle

Successfully logged into database.

 

GGSCI (xifenfei) 3> add checkpointtable ogg.ggs_checkpoint 

 

Successfully created checkpoint table ogg.ggs_checkpoint.

 

GGSCI (xifenfei) 4> EDIT PARAMS ./GLOBALS

 

checkpointtable ogg.ggs_checkpoint

 

GGSCI (xifenfei) 5> start mgr

 

Manager started.

 

GGSCI (xifenfei) 6> add replicat rep_1,exttrail ./dirdat/t1,checkpointtable ogg.ggs_checkpoint

REPLICAT added.

 

 

GGSCI (xifenfei) 7> edit params rep_1   

 

 

REPLICAT rep_1

USERID ogg,PASSWORD oracle

REPORTCOUNT EVERY 30 MINUTES, RATE

REPERROR DEFAULT, ABEND

numfiles 5000

assumetargetdefs

DISCARDFILE ./dirrpt/rep_1.dsc, APPEND, MEGABYTES 1000

DISCARDROLLOVER AT 3:00

ALLOWNOOPUPDATES

MAP xifenfei.t_xifenfei, TARGET xff.t_xff;

 

GGSCI (xifenfei) 8> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

REPLICAT    STOPPED     REP_1       00:00:00      00:01:45   

 

 

GGSCI (xifenfei) 9> start rep_1,aftercsn 793069

 

Sending START request to MANAGER ...

REPLICAT REP_1 starting

 

 

GGSCI (xifenfei) 10> info all

 

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

 

MANAGER     RUNNING                                          

REPLICAT    RUNNING     REP_1       00:00:00      00:00:01   

测试数据库同步

--源端库

SQL> desc t_XIFENFEI

 Name                                      Null?    Type

 ----------------------------------------- -------- ----------------------------

 OWNER                                              VARCHAR2(30)

 OBJECT_NAME                                        VARCHAR2(128)

 SUBOBJECT_NAME                                     VARCHAR2(30)

 OBJECT_ID                                 NOT NULL NUMBER

 DATA_OBJECT_ID                                     NUMBER

 OBJECT_TYPE                                        VARCHAR2(19)

 CREATED                                            DATE

 LAST_DDL_TIME                                      DATE

 TIMESTAMP                                          VARCHAR2(19)

 STATUS                                             VARCHAR2(7)

 TEMPORARY                                          VARCHAR2(1)

 GENERATED                                          VARCHAR2(1)

 SECONDARY                                          VARCHAR2(1)

 

SQL> update t_XIFENFEI set owner='www.xifenfei.com' where rownum<100;

 

99 rows updated.

 

SQL> commit;

 

Commit complete.

 

--目标端库

SQL> desc xff.t_xff

 Name                                      Null?    Type

 ----------------------------------------- -------- ----------------------------

 OWNER                                              VARCHAR2(30)

 OBJECT_NAME                                        VARCHAR2(128)

 SUBOBJECT_NAME                                     VARCHAR2(30)

 OBJECT_ID                                 NOT NULL NUMBER

 

SQL> select count(*) from xff.t_xff where owner='www.xifenfei.com';

 

  COUNT(*)

----------

        99

 

--源端库

SQL> delete from t_XIFENFEI where  owner='www.xifenfei.com';

 

99 rows deleted.

 

SQL> commit;

 

Commit complete.

 

--目标端

SQL> select count(*) from xff.t_xff where owner='www.xifenfei.com';

 

  COUNT(*)

----------

         0

 

--源端库

SQL> insert into xifenfei.t_xifenfei(owner,object_id) values('www.xifenfei.com',1);

 

1 row created.

 

SQL> commit;

 

Commit complete.

 

--目标端库

SQL>  select count(*) from xff.t_xff where owner='www.xifenfei.com';

 

  COUNT(*)

----------

         1

 

SQL> select * from xff.t_xff where owner='www.xifenfei.com';

 

OWNER                OBJECT_NAME         SUBOBJECT_NAME                  OBJECT_ID

-------------------- ------------------- ------------------------------ ----------

www.xifenfei.com                       

 

这里实现部分列同步,主要在extract端使用COLS捕获需要列,使用ctas结合dblink,flashback query实现表测试后.