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ogg异构oracle-mysql

发布时间:2020-12-24 11:32:49 所属栏目:站长百科 来源:网络整理
导读:/* 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.bo

在相应的mysql数据库中,也可以看到相应的表被添加了:
mysql> show tables;

3.配置应用进程:
--若同步的表发生变化,则此进程需要重新配置,然后目标段表会重新初始化数据 对应的报错为:
2017-04-21 15:19:03 ERROR OGG-00446
2017-04-21 15:19:03 ERROR OGG-01668 PROCESS ABENDING.

--SOURCEDB 已改为TARGETDB 解决无主键表同步:APPLYNOOPUPDATES或ALLOWNOOPUPDATES 同步成功后此参数可以删除******
GGSCI (nosql2) 10> edit params rep3

replicat rep3
sourcedefs /usr/local/dirdef/ah4.prm
SOURCEDB hr,userid root,password mysql
reperror default,discard
discardfile /usr/local/dirrpt/rep4.dsc,append,megabytes 50
map hr.ah4,target hr.ah4;
map hr.ah5,target hr.ah5;

add replicat rep3,exttrail /usr/local/dirdat/xs,checkpointtable hr.checkpointtab

--增加多线程
add replicat rep4,checkpointtable hr.checkpointtab

PS:
REPLICAT进程参数配置说明:
ASSUMETARGETDEFS:假定两端数据结构一致使用此参数;
SOURCEDEFS:假定两端数据结构不一致,使用此参数指定源端的数据结构定义文件,该文件需要由GlodenGate工具产生。
MAP:用于指定源端与目标端表的映射关系;
MAPEXCLUDE:用于使用在MAP中使用*匹配时排除掉指定的表;
REPERROR:定义出错以后进程的响应,一般可以定义为两种:
ABEND,即一旦出现错误即停止复制,此为缺省配置;
DISCARD,出现错误后继续复制,只是把错误的数据放到discard文件中。
DISCARDFILE:定义discardfile文件位置,如果处理中油记录出错会写入到此文件中;
SQLEXEC:在进程运行时首先运行一个SQL语句;
GROUPTRANSOPS:将小交易合并成一个大的交易进行提交,减少提交次数,降低系统IO消耗。
MAXTRANSOPS:将大交易拆分,每XX条记录提交一次。

--view report rep3查询进程报错:OGG-00303 Could not open /usr/local/dirdef/ah4.prm: No such file or directory.
解决:
--复制生成的def文件到目标端
scp ah4.prm [email?protected]:/usr/local/dirdef
原因:
two ways to solve the issue:
Use a defgen paramfile with NOEXTATTR option
or
generate definition file with the same OGG version as the OGG target site version.
In OGG 11.2,there is a new parameter NOEXTATTR. This is used in DEFGEN.
When the OGG version in a target site is lower than the source site,defgen needs to use parameter NOEXTATTR to generate a sourcedef file which target site can read . If using a sourcedef file generated without NOEXTATTR,a replicat will abend with error 00303.

--查看错误日志
tail -100f /usr/local/ggserr.log

4.测试
在目的端启动rep3进程,在源端启动ext3和push3进程。
在源端的ah4表中插入一条数据,看是否在目的端的ah4表中能看到。
源端进程:

GGSCI (ora11g) 30> info all 多线程 ext1 ext2 ext3
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING EXT1 00:00:00 00:00:03
EXTRACT RUNNING EXT2 00:00:00 00:00:07
EXTRACT RUNNING EXT3 00:44:09 00:00:06
EXTRACT RUNNING PUSH1 00:00:00 00:00:03
EXTRACT RUNNING PUSH2 00:00:00 00:00:03
EXTRACT RUNNING PUSH3 00:00:00 00:37:40

GGSCI (ora11g) 31>
源端插入数据:
insert into ah4 values(1,‘aaaccc‘);
insert into ah4 values(2,‘aaaccc‘);
insert into ah4 values(3,‘aaaccc‘);
commit;

源端的ogg日志:
2014-04-02 16:19:26 INFO OGG-00993 Oracle GoldenGate Capture for Oracle,ext3.prm: EXTRACT EXT3 started.
2014-04-02 16:19:26 INFO OGG-01052 Oracle GoldenGate Capture for Oracle,ext3.prm: No recovery is required for target file /home/oracle/app/oracle/ogg/dirdat/xs000000,at RBA 0 (file not opened).
2014-04-02 16:19:26 INFO OGG-01478 Oracle GoldenGate Capture for Oracle,ext3.prm: Output file /home/oracle/app/oracle/ogg/dirdat/xs is using format RELEASE 11.2.
2014-04-02 16:19:26 INFO OGG-01517 Oracle GoldenGate Capture for Oracle,ext3.prm: Position of first record processed Sequence 1122,RBA 14423056,SCN 0.20548956,Apr 2,2014 3:35:22 PM.
2014-04-02 16:19:29 INFO OGG-00987 Oracle GoldenGate Command Interpreter for Oracle: GGSCI command (oracle): start push3.
2014-04-02 16:19:29 INFO OGG-00963 Oracle GoldenGate Manager for Oracle,mgr.prm: Command received from GGSCI on host ora11g:52177 (START EXTRACT PUSH3 ).
2014-04-02 16:19:29 INFO OGG-00975 Oracle GoldenGate Manager for Oracle,mgr.prm: EXTRACT PUSH3 starting.
2014-04-02 16:19:29 INFO OGG-00992 Oracle GoldenGate Capture for Oracle,push3.prm: EXTRACT PUSH3 starting.
2014-04-02 16:19:29 INFO OGG-03035 Oracle GoldenGate Capture for Oracle,push3.prm: Operating system character set identified as UTF-8. Locale: en_US,LC_ALL:.
2014-04-02 16:19:29 INFO OGG-01815 Oracle GoldenGate Capture for Oracle,push3.prm: Virtual Memory Facilities for: COM
anon alloc: mmap(MAP_ANON) anon free: munmap
file alloc: mmap(MAP_SHARED) file free: munmap
target directories:
/home/oracle/app/oracle/ogg/dirtmp.
2014-04-02 16:19:29 INFO OGG-00993 Oracle GoldenGate Capture for Oracle,push3.prm: EXTRACT PUSH3 started.
2014-04-02 16:19:34 INFO OGG-01226 Oracle GoldenGate Capture for Oracle,push3.prm: Socket buffer size set to 27985 (flush size 27985).
2014-04-02 16:19:34 INFO OGG-01052 Oracle GoldenGate Capture for Oracle,push3.prm: No recovery is required for target file /home/oracle/app/oracle/ogg/dirdat/xs000000,at RBA 0 (file not opened).
2014-04-02 16:19:34 INFO OGG-01478 Oracle GoldenGate Capture for Oracle,push3.prm: Output file /home/oracle/app/oracle/ogg/dirdat/xs is using format RELEASE 11.2.


目的端进程:

GGSCI (nosql2) 21> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REP3 00:00:00 00:00:02

--目的端数据库:
mysql> select * from ah4;

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