使用OGG实现Oracle到kafka数据同步

使用OGG实现Oracle到kafka数据同步

一、环境规划

  • 实现目标:配置OGG,实现从Oracle到kafka数据增量同步。同步消息格式为json。

  • 主机规划:

身份 主机名 版本 IP OGG版本
源端 orcldb Release 11.2.0.4.0 172.16.10.152 OGG-12.3.0.1.4
目标端 kafka kafka_2.11-1.1.1 172.16.100.241 OGG_BigData_Linux_x64_12.3.2.1.1

二、安装包下载

  • Oracle OGG下载地址:https://www.oracle.com/middleware/technologies/goldengate-downloads.html#license-lightbox
  • kafka OGG下载地址:https://www.oracle.com/middleware/technologies/goldengate-downloads.html#license-lightbox(BigData)

三、搭建过程

1.Oracle部署

1)系统配置:

#修改主机名,防火墙关闭,selinux关闭等
[root@172-16-10-152 ~]# hostnamectl set-hostname orcldb
[root@172-16-10-152 ~]# su -
Last login: Mon Aug 10 09:08:26 EDT 2020 from 172.16.10.110 on pts/0

[root@orcldb ~]# systemctl  stop firewalld
[root@orcldb ~]# systemctl  disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.

[root@orcldb ~]# vim /etc/sysconfig/selinux
..
SELINUX=disabled
...
#修改相关参数
[root@orcldb ~]# vim /etc/security/limits.conf
oracle              soft    nproc   2047
oracle              hard    nproc   16384
oracle              soft    nofile  1024
oracle              hard    nofile  65536

[root@orcldb src]# vim /etc/sysctl.conf 
[root@orcldb src]# sysctl  -p
net.ipv6.conf.all.disable_ipv6 = 1
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 536870912
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576

[root@orcldb ~]# vim /etc/pam.d/login
session required /lib64/security/pam_limits.so
session required pam_limits.so

[root@orcldb src]# vim /etc/profile
if [ $USER = "oracle" ]; then
   if [ $SHELL = "/bin/ksh" ]; then
       ulimit -p 16384 
       ulimit -n 65536
    else
       ulimit -u 16384 -n 65536
   fi
fi
[root@orcldb src]# source /etc/profile

2)安装相应软件包,创建用户,组以及相关文件夹

[root@orcldb ~]#  yum -y install binutils compat-libcap1 compat-libstdc++-33 gcc gcc-c++ glibc glibc-devel ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel libXi libXtst make sysstat unixODBC unixODBC-devel

[root@orcldb src]#  groupadd -g 501 oinstall
[root@orcldb src]# groupadd -g 502 dba
[root@orcldb src]# groupadd -g 503 oper
[root@orcldb src]#  useradd -u 502 -g oinstall -G dba,oper oracle
[root@orcldb src]# echo oracle | passwd --stdin oracle
Changing password for user oracle.
passwd: all authentication tokens updated successfully.

[root@orcldb src]#  mkdir /u01/app/oracle -pv
[root@orcldb ~]#  mkdir -pv /u01/app/oracle/product/11.2.0/db_home1
[root@orcldb ~]#  chown oracle.oinstall /u01 -R
[root@orcldb src]# chown -R oracle.oinstall database/ 

3)静默安装Oracle

#挂载软件包,此软件包oracle已不再发行
挂载软件包
[root@orcldb ~]# mkdir /mnt/cdrom
[root@orcldb ~]# mount -o loop oracle_11204_x86_64_linux.iso /mnt/cdrom/
mount: /dev/loop0 is write-protected, mounting read-only
[root@orcldb cdrom]#  cp ./* /usr/local/src/
[root@orcldb src]# yum -y install unzip
[root@orcldb src]# unzip p13390677_112040_Linux-x86-64_1of7.zip
[root@orcldb src]# unzip p13390677_112040_Linux-x86-64_2of7.zip

#配置Oracle响应文件
[oracle@orcldb src]#cat /usr/local/src/database/response/db_install.rsp
oracle.install.responseFileVersion=/oracle/install/rspfmt_dbinstall_response_schema_v11_2_0
oracle.install.option=INSTALL_DB_SWONLY
ORACLE_HOSTNAME=oracledb
UNIX_GROUP_NAME=oinstall
INVENTORY_LOCATION=/u01/app/oracle/inventory
SELECTED_LANGUAGES=en,zh_CN
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_home1
ORACLE_BASE=/u01/app/oracle
oracle.install.db.InstallEdition=EE
oracle.install.db.EEOptionsSelection=false
oracle.install.db.optionalComponents=oracle.rdbms.partitioning:11.2.0.4.0,oracle.oraolap:11.2.0.4.0,oracle.rdbms.dm:11.2.0.4.0,oracle.rdbms.dv:11.2.0.4.0,oracle.rdbms.lbac:11.2.0.4.0,oracle.rdbms.rat:11.2.0.4.0
oracle.install.db.DBA_GROUP=dba
oracle.install.db.OPER_GROUP=dba
oracle.install.db.CLUSTER_NODES=
oracle.install.db.isRACOneInstall=
oracle.install.db.racOneServiceName=
oracle.install.db.config.starterdb.type=
oracle.install.db.config.starterdb.globalDBName=
oracle.install.db.config.starterdb.SID=
oracle.install.db.config.starterdb.characterSet=AL32UTF8
oracle.install.db.config.starterdb.memoryOption=true
oracle.install.db.config.starterdb.memoryLimit=
oracle.install.db.config.starterdb.installExampleSchemas=false
oracle.install.db.config.starterdb.enableSecuritySettings=true
oracle.install.db.config.starterdb.password.ALL=
oracle.install.db.config.starterdb.password.SYS=
oracle.install.db.config.starterdb.password.SYSTEM=
oracle.install.db.config.starterdb.password.SYSMAN=
oracle.install.db.config.starterdb.password.DBSNMP=
oracle.install.db.config.starterdb.control=DB_CONTROL
oracle.install.db.config.starterdb.gridcontrol.gridControlServiceURL=
oracle.install.db.config.starterdb.automatedBackup.enable=false
oracle.install.db.config.starterdb.automatedBackup.osuid=
oracle.install.db.config.starterdb.automatedBackup.ospwd=
oracle.install.db.config.starterdb.storageType=
oracle.install.db.config.starterdb.fileSystemStorage.dataLocation=
oracle.install.db.config.starterdb.fileSystemStorage.recoveryLocation=
oracle.install.db.config.asm.diskGroup=
oracle.install.db.config.asm.ASMSNMPPassword=
MYORACLESUPPORT_USERNAME=
MYORACLESUPPORT_PASSWORD=
SECURITY_UPDATES_VIA_MYORACLESUPPORT=
DECLINE_SECURITY_UPDATES=true
PROXY_HOST=
PROXY_PORT=
PROXY_USER=
PROXY_PWD=
PROXY_REALM=
COLLECTOR_SUPPORTHUB_URL=
oracle.installer.autoupdates.option=SKIP_UPDATES
oracle.installer.autoupdates.downloadUpdatesLoc=
AUTOUPDATES_MYORACLESUPPORT_USERNAME=
AUTOUPDATES_MYORACLESUPPORT_PASSWORD=
# 静默安装
[oracle@orcldb database]#./runInstaller -silent -force -ignoresysprereqs -ignoreprereq -responseFile /usr/local/src/database/response/db_install.rsp
...
The installation of Oracle Database 11g was successful.
Please check '/u01/app/oracle/inventory/logs/silentInstall2020-08-10_09-33-29AM.log' for more details.

As a root user, execute the following script(s):
        1. /u01/app/oracle/inventory/orainstRoot.sh
        2. /u01/app/oracle/product/11.2.0/db_home1/root.sh


Successfully Setup Software.

#执行相应脚本
[root@orcldb database]# /u01/app/oracle/inventory/orainstRoot.sh
Changing permissions of /u01/app/oracle/inventory.
Adding read,write permissions for group.
Removing read,write,execute permissions for world.

Changing groupname of /u01/app/oracle/inventory to oinstall.
The execution of the script is complete.
[root@orcldb database]# /u01/app/oracle/product/11.2.0/db_home1/root.sh
Check /u01/app/oracle/product/11.2.0/db_home1/install/root_orcldb_2020-08-10_09-37-42.log for the output of root script

[oracle@orcldb database]$ netca /silent /responsefile /usr/local/src/database/response/netca.rsp

Check the trace file for details: /u01/app/oracle/cfgtoollogs/netca/trace_OraDb11g_home1-2008109AM3839.log
Oracle Net Services configuration failed.  The exit code is 1


#配置database响应文件
/usr/local/src/database/response/dbca.rsp
[GENERAL]
RESPONSEFILE_VERSION = "11.2.0"
OPERATION_TYPE = "createDatabase"
[CREATEDATABASE]
GDBNAME = "orcl"
SID = "orcl"
TEMPLATENAME = "General_Purpose.dbc"
STORAGETYPE=FS
DATAFILEDESTINATION =/u01/app/oracle/oradata
CHARACTERSET = ZHS16GBK"
NATIONALCHARACTERSET= "AL16UTF16"
LISTENERS=LISTENER
TOTALMEMORY = "90000"
SYSPASSWORD = "oracle"
SYSTEMPASSWORD = "oracle"
# database静默安装
[oracle@orcldb response]$  dbca -silent -responseFile /usr/local/src/database/response/dbca.rsp
# 安装完成
SQL> select * from v$version;

BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
PL/SQL Release 11.2.0.4.0 - Production
CORE    11.2.0.4.0      Production
TNS for Linux: Version 11.2.0.4.0 - Production
NLSRTL Version 11.2.0.4.0 - Production

4)开启归档,附加日志等

SQL> alter database archivelog;
Database altered.

SQL>  ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;
Database altered.

SQL>  Alter database force logging;
Database altered.

SQL>  ALTER DATABASE OPEN;
Database altered.

SQL> ALTER SYSTEM ARCHIVE LOG CURRENT;
System altered.

SQL> select LOG_MODE, SUPPLEMENTAL_LOG_DATA_MIN,FORCE_LOGGING from v$database;
LOG_MODE     SUPPLEME FOR
------------ -------- ---
ARCHIVELOG   YES      YES

2.Oracle OGG部署

1)创建相关路径,解压安装包,授权

[root@orcldb ~]#  mkdir /ogg/ogginstall -p
[root@orcldb ~]# chown -R oracle.oinstall /ogg/ogginstall
[root@orcldb ~]# cd /ogg/ogginstall/
[root@orcldb ogginstall]# pwd
/ogg/ogginstall
[root@orcldb ~]# mv 123014_fbo_ggs_Linux_x64_shiphome.zip /home/oracle/
[root@orcldb ~]# cd /home/oracle
[root@orcldb oracle]# ls
123014_fbo_ggs_Linux_x64_shiphome.zip
[root@orcldb oracle]# chmown oracle.oinstall 123014_fbo_ggs_Linux_x64_shiphome.zip 
-bash: chmown: command not found
[root@orcldb oracle]# chown oracle.oinstall 123014_fbo_ggs_Linux_x64_shiphome.zip 
[root@orcldb oracle]# ll
total 331876
-rw-r--r--. 1 oracle oinstall 339837611 Aug 10 05:40 123014_fbo_ggs_Linux_x64_shiphome.zip
[root@orcldb oracle]# pwd
/home/oracle
[oracle@orcldb ~]$ chmod 755 -R fbo_ggs_Linux_x64_shiphome/

2)编辑响应文件

[oracle@orcldb response]$ cp oggcore.rsp oggcore.rsp.bak
[oracle@orcldb response]$ pwd
/home/oracle/fbo_ggs_Linux_x64_shiphome/Disk1/response

oracle.install.responseFileVersion=/oracle/install/rspfmt_ogginstall_response_schema_v12_1_2
INSTALL_OPTION=ORA11g
SOFTWARE_LOCATION=/ogg/ogginstall
START_MANAGER=true
MANAGER_PORT=7809
DATABASE_LOCATION=/u01/app/oracle/product/11.2.0/db_home1
INVENTORY_LOCATION=/u01/app/oracle/inventory
UNIX_GROUP_NAME=oinstall

3)配置环境变量

[oracle@orcldb ~]$ vim .bash_profile 
...
export PATH=/ogg/oggoinstall:$PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib

4)静默安装

[oracle@orcldb Disk1]$ ./runInstaller -silent -nowait -responseFile /home/oracle/fbo_
ggs_Linux_x64_shiphome/Disk1/response/oggcore.rsp
Starting Oracle Universal Installer...

Checking Temp space: must be greater than 120 MB.   Actual 17853 MB    Passed
Checking swap space: must be greater than 150 MB.   Actual 3967 MB    Passed
...

5)创建OGG需要的目录

GGSCI (orcldb) 2> create subdirs

Creating subdirectories under current directory /ogg/ogginstall

Parameter file                 /ogg/ogginstall/dirprm: created.
Report file                    /ogg/ogginstall/dirrpt: created.
Checkpoint file                /ogg/ogginstall/dirchk: created.
Process status files           /ogg/ogginstall/dirpcs: created.
SQL script files               /ogg/ogginstall/dirsql: created.
Database definitions files     /ogg/ogginstall/dirdef: created.
Extract data files             /ogg/ogginstall/dirdat: created.
Temporary files                /ogg/ogginstall/dirtmp: created.
Credential store files         /ogg/ogginstall/dircrd: created.
Masterkey wallet files         /ogg/ogginstall/dirwlt: created.
Dump files                     /ogg/ogginstall/dirdmp: created.

3.kafka OGG部署

参考:https://dongkelun.com/2018/05/23/oggOracle2Kafka/
1)创建软件安装目录,解压安装包

[root@kafka ~]# mkdir -p /opt/ogg
[root@kafka ~]# tar xf OGG_BigData_Linux_x64_12.3.2.1.1.tar -C /opt/ogg/

2)编辑环境变量

[root@kafka ~]# vim /etc/profile

export OGG_HOME=/opt/ogg
export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/amd64:$JAVA_HOME/jre/lib/amd64/server:$JAVA_HOME/jre/lib/amd64/libjsig.so:$JAVA_HOME/jre/lib/amd64/server/libjvm.so:$OGG_HOME/lib
export PATH=$OGG_HOME:$PATH

[root@kafka ~]# source /etc/profile

#配置完成
[root@kafka ~]# ggsci 
Oracle GoldenGate Command Interpreter
Version 12.3.0.1.2 OGGCORE_OGGADP.12.3.0.1.2_PLATFORMS_180712.2305
Linux, x64, 64bit (optimized), Generic on Jul 13 2018 00:46:09
Operating system character set identified as UTF-8.
Copyright (C) 1995, 2018, Oracle and/or its affiliates. All rights reserved.

GGSCI (kafka) 1> 

3)创建OGG需要的目录


GGSCI (kafka) 1> create subdirs

Creating subdirectories under current directory /opt/ogg

Parameter file                 /opt/ogg/dirprm: created.
Report file                    /opt/ogg/dirrpt: created.
Checkpoint file                /opt/ogg/dirchk: created.
Process status files           /opt/ogg/dirpcs: created.
SQL script files               /opt/ogg/dirsql: created.
Database definitions files     /opt/ogg/dirdef: created.
Extract data files             /opt/ogg/dirdat: created.
Temporary files                /opt/ogg/dirtmp: created.
Credential store files         /opt/ogg/dircrd: created.
Masterkey wallet files         /opt/ogg/dirwlt: created.
Dump files     

4.OGG配置(含测试准备)

Oracle配置:

1)Oracle创建专用的表空间,并创建复制用户授权

#创建表空间数据文件存放目录
[root@orcldb ~]# mkdir -p /u01/app/oracle/oggdata/orcl
[root@orcldb ~]# chown -R oracle:oinstall /u01/app/oracle/oggdata/orcl
#创建表空间
SQL> create tablespace oggtbs datafile '/u01/app/oracle/oggdata/orcl/oggtbs01.dbf' size 1000M autoextend on;
Tablespace created.
#创建用户并授权
SQL> create user ogg identified by ogg default tablespace oggtbs;
User created.
SQL> grant dba to ogg;#这里权限实际应该比较严谨,只是为了方便
Grant succeeded.

2)Oracle配置OGG全局变量

[oracle@orcldb ogginstall]$ ./ggsci 
GGSCI (orcldb) 1> dblogin userid ogg password ogg
Successfully logged into database.

GGSCI (orcldb as ogg@orcl) 2> edit param ./globals
oggschema ogg
allowOutputDir /opt/ogg/dirdat  --这里这个是目标端复制文件的位置 OGG12的新特性

3)Oracle配置OGG管理器mgr

GGSCI (orcldb as ogg@orcl) 4> edit param mgr
PORT 7809  --PORT mgr的默认监听端口
DYNAMICPORTLIST 7810-7909 --DYNAMICPORTLIST 动态端口集,当上述指定的端口不可用时在这个区间选择1个,最大范围256
AUTORESTART EXTRACT *,RETRIES 5,WAITMINUTES 3 --表示重启所有EXTRACT进程,每次间隔3分钟 最多可以执行5次
PURGEOLDEXTRACTS ./dirdat/*,usecheckpoints, minkeepdays 3 --trail文件定期清理

4)Oracle创建测试用户和测试表

SQL> create user test_ogg  identified by test_ogg default tablespace users;
User created.

SQL> grant dba to test_ogg;
Grant succeeded.

SQL> conn test_ogg/test_ogg;
Connected.
SQL> create table test_ogg(id int ,name varchar(20),primary key(id));
Table created.

5)Oracle配置OGG添加待复制表

GGSCI (orcldb as ogg@orcl) 5> add trandata test_ogg.test_ogg
2020-08-19 22:32:12  INFO    OGG-15132  Logging of supplemental redo data enabled for table TEST_OGG.TEST_OGG.
2020-08-19 22:32:12  INFO    OGG-15133  TRANDATA for scheduling columns has been added on table TEST_OGG.TEST_OGG.
2020-08-19 22:32:12  INFO    OGG-15135  TRANDATA for instantiation CSN has been added on table TEST_OGG.TEST_OGG.

GGSCI (orcldb as ogg@orcl) 6> info trandata test_ogg.test_ogg
Logging of supplemental redo log data is enabled for table TEST_OGG.TEST_OGG.
Columns supplementally logged for table TEST_OGG.TEST_OGG: "ID".
Prepared CSN for table TEST_OGG.TEST_OGG: 1397441

6)Oracle配置OGG extract进程,并添加extract进程

GGSCI (orcldb as ogg@orcl) 7> edit param extkafka
extract extkafka --进程名称
dynamicresolution --动态解析
SETENV (ORACLE_SID = "orcl") --设置环境变量,Oracle sid
SETENV (NLS_LANG = "american_america.AL32UTF8") --设置环境变量,字符集
userid ogg,password ogg --OGG连接数据库的用户和密码
exttrail /ogg/ogginstall/dirdat/to --trail文件的保存路径和文件名,注意只能2位其余由OGG不齐。一共8位。
table test_ogg.test_ogg; --table 指的就是表名,支持通配符*,注意必须用;结尾

# 添加extract进程
GGSCI (orcldb as ogg@orcl) 8> add extract extkafka,tranlog,begin now
EXTRACT added.

# 添加trail文件与extract绑定
GGSCI (orcldb as ogg@orcl) 9> add exttrail /ogg/ogginstall/dirdat/to,extract extkafka
EXTTRAIL added.

7)Oracle配置OGG pump进程(与extract类似用来发送trail到目标端)

GGSCI (orcldb as ogg@orcl) 10> edit param pukafka
extract pukafka --进程名称
passthru --禁止OGG与Oracle交互
dynamicresolution --动态解析
userid ogg,password ogg --OGG连接数据库的用户和密码
rmthost 172.16.100.241 mgrport 7809 --目标端kafka mgr服务的地址和监听端口
rmttrail /opt/ogg/dirdat/to --目标端trail文件存储位置,这里和源端存储位置不同,这也是前面全局变量为什么加上新参数的原因
table test_ogg.test_ogg; --table 指的就是表名,支持通配符*,注意必须用;结尾

#分别将本地trail文件和目标端的trail文件绑定到extract进程
GGSCI (orcldb as ogg@orcl) 11> add extract pukafka,exttrailsource /ogg/ogginstall/dirdat/to
EXTRACT added.
GGSCI (orcldb as ogg@orcl) 12> add rmttrail /opt/ogg/dirdat/to,extract pukafka
RMTTRAIL added.

8)Oracle配置define文件

Oracle与MySQL,Hadoop集群(HDFS,Hive,kafka等)等之间数据传输可以定义为异构数据类型的传输,故需要定义表之间的关系映射

GGSCI (orcldb) 4> edit param test_ogg 
defsfile /ogg/ogginstall/dirdef/test_ogg.test_ogg 
userid ogg,password ogg
table test_ogg.test_ogg;

在Oracle OGG主目录下执行

[oracle@orcldb ogginstall]$ pwd
/ogg/ogginstall
[oracle@orcldb ogginstall]$ ./defgen paramfile dirprm/test_ogg.prm
...
***********************************************************************
**            Running with the following parameters                  **
***********************************************************************
defsfile /ogg/ogginstall/dirdef/test_ogg.test_ogg

Source Context :
  SourceModule            : [defgen.main]
  SourceID                : [/scratch/aime/adestore/views/aime_adc00jza/oggcore/OpenSys/src/app/defgen/defgen.c]
  SourceMethod            : [create_defgen_file]
  SourceLine              : [1522]
  ThreadBacktrace         : [12] elements
                          : [./defgen(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : []
                          : [/lib64/libc.so.6(__libc_start_main)]
                          : [./defgen(_ZN3ggs5gglib14MultiThreading6Thread9RunThreadEPNS2_10ThreadArgsE+0x173) [0x4c46b3]]
                          : [ng::MainThread::Run(int, char**)]
                          : [./defgen()]
                          : [./defgen(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : [./defgen(ggs::gglib::MultiThreading::Thread::RunThread(ggs::gglib::MultiThreading::Thread::ThreadArgs*))]
                          : [./defgen(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : [./defgen()]
                          : [/lib64/libc.so.6(__libc_start_main)]
                          : [./defgen()]

2020-08-20 15:49:24  ERROR   OGG-00037  DEFSFILE file /ogg/ogginstall/dirdef/test_ogg.test_ogg already exists.
#这里我已经生成完了 所以报错。把上面的test_ogg.test_ogg发送给目标端相应目录
2020-08-20 15:49:24  ERROR   OGG-01668  PROCESS ABENDING.

[oracle@orcldb dirdef]$ scp -r ./test_ogg.test_ogg [email protected]:/opt/ogg/dirdef/
[email protected]'s password: 
test_ogg.test_ogg   

kafka配置:(相同参数不再说明)

1)启动kafka服务

[root@kafka kafka]# bin/zookeeper-server-start.sh config/zookeeper.properties
[root@kafka kafka]# bin/kafka-server-start.sh config/server.properties
[root@kafka kafka]# jps
26305 ScheduleMain
933 Jps
17126 ValidWebMain
9159 NodeManager
12779 JournalNode
13867 QuorumPeerMain
17197 StreamAppWebMain
20247 start.jar
20120 Kafka
30521 EngineMain
13626 DataNode
7452 JobHistoryServer
24573 

2)kafka配置管理器mgr

GGSCI (kafka) 1> edit param mgr
PORT 7809
DYNAMICPORTLIST 7810-7909
AUTORESTART EXTRACT *,RETRIES 5,WAITMINUTES 3
PURGEOLDEXTRACTS ./dirdat/*,usecheckpoints, minkeepdays 3

3)kafka配置checkpoint

checkpoint复制可追溯的一个偏移量记录,在全局配置里添加checkpoint表即可。

GGSCI (kafka) 2> edit param ./GLOBALS
CHECKPOINTTABLE test_ogg.checkpoint

4)kafka配置replicate进程

GGSCI (kafka) 3> edit param rekafka
REPLICAT rekafka --relicate进程名字
sourcedefs /ogg/ogginstall/dirdef/test_ogg.test_ogg --define的映射文件
TARGETDB LIBFILE libggjava.so SET property=dirprm/kafka.props --TARGETDB LIBFILE即定义kafka一些库文件以及配置文件位置
REPORTCOUNT EVERY 1 MINUTES, RATE  --复制任务的报告生成频率
GROUPTRANSOPS 10000 --以事务传输时,事务合并的单位,减少IO操作
MAP test_ogg.test_ogg, TARGET test_ogg.test_ogg; --源端与目标端的映射关系

5)设置kafka的配置文件

[root@kafka ogg]# cd /opt/ogg/dirprm/
[root@kafka dirprm]# ls
[root@kafka dirprm]# vim kafka.props
gg.handlerlist=kafkahandler
gg.handler.kafkahandler.type=kafka
gg.handler.kafkahandler.KafkaProducerConfigFile=custom_kafka_producer.properties
gg.handler.kafkahandler.topicMappingTemplate=test_ogg   #kafka topic名称,OGG12有修改
gg.handler.kafkahandler.format=json
gg.handler.kafkahandler.mode=op
gg.classpath=dirprm/:/opt/dtstack/DTBase/kafka/libs/*:/opt/ogg/:/opt/ogg/lib/*

[root@kafka dirprm]# pwd
/opt/ogg/dirprm
[root@kafka dirprm]# vim custom_kafka_producer.properties
bootstrap.servers=172.16.100.241:9092
acks=1
compression.type=gzip
reconnect.backoff.ms=1000
value.serializer=org.apache.kafka.common.serialization.ByteArraySerializer
key.serializer=org.apache.kafka.common.serialization.ByteArraySerializer
batch.size=102400
linger.ms=10000

6)kafka配置添加trail文件到replicate进程

GGSCI (kafka) 1> add replicat rekafka exttrail /opt/ogg/dirdat/to,checkpointtable test_ogg.checkpoint
REPLICAT added.

四、测试

**启动两端进程:**按照以下顺序

源端mgr —> 目标端mgr —> 源端extract —> 源端pump —> 目标replicate

​ 本例中在OGG命令行中执行

GGSCI (orcldb) 1> start mgr
GGSCI (kafka)  1> start mgr
GGSCI (orcldb) 2> start extkafka
GGSCI (orcldb) 3> start pukafka
GGSCI (kafka)  2> start rekafka

查看所有进程状态:

GGSCI (orcldb) 1> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING                                           
EXTRACT     RUNNING     EXTKAFKA    00:00:00      00:00:08    
EXTRACT     RUNNING     PUKAFKA     00:00:00      00:00:00    

GGSCI (kafka) 1> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING                                           
REPLICAT    RUNNING     REKAFKA     00:00:00      00:00:02    

插入测试:

在这里插入图片描述

[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-Cg1pgenX-1597911660529)(C:\Users\13190\AppData\Roaming\Typora\typora-user-images\image-20200820161326701.png)]

五、错误分析

PUMP(PUKAFKA)进程状态为abended,使用view report PUKAFKA查看报错信息如下:2020-08-20 09:45:47 ERROR OGG-25127 Received an error reply requesting a graceful shutdown. (Reply received
is ‘GSOutput file /ogg/ogginstall/dirdat/to000000 is not in any allowed output directories.’.).

建议两端trail保存路径相同,避免混淆。这里路径配置文件是源端的实际应该是目标端。

百度对这类问题解释很全面

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转载自blog.csdn.net/qq_43250333/article/details/108126440