a. canal的原理是基于mysql binlog技术,所以这里一定需要开启mysql的binlog写入功能,建议配置binlog模式为row.
[mysqld]
log-bin=mysql-bin #添加这一行就ok
binlog-format=ROW #选择row模式
server_id=1 #配置mysql replaction需要定义,不能和canal的slaveId重复
b. canal的原理是模拟自己为mysql slave,所以这里一定需要做为mysql slave的相关权限.
CREATE USER canal IDENTIFIED BY 'canal';
GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'canal'@'%';
-- GRANT ALL PRIVILEGES ON *.* TO 'canal'@'%' ;
FLUSH PRIVILEGES;
针对已有的账户可通过grant
直接下载
访问:https://github.com/alibaba/canal/releases ,会列出所有历史的发布版本包
下载方式,比如以1.0.17版本为例子:
wget https://github.com/alibaba/canal/releases/download/canal-1.0.17/canal.deployer-1.0.17.tar.gz
自己编译
git clone git@github.com:alibaba/canal.git
cd canal;
mvn clean install -Dmaven.test.skip -Denv=release
编译完成后,会在根目录下产生target/canal.deployer-$version.tar.gz
mkdir /tmp/canal
tar zxvf canal.deployer-$version.tar.gz -C /tmp/canal
解压完成后,进入/tmp/canal目录,可以看到如下结构:
drwxr-xr-x 2 jianghang jianghang 136 2013-02-05 21:51 bin
drwxr-xr-x 4 jianghang jianghang 160 2013-02-05 21:51 conf
drwxr-xr-x 2 jianghang jianghang 1.3K 2013-02-05 21:51 lib
drwxr-xr-x 2 jianghang jianghang 48 2013-02-05 21:29 logs
应用参数:
vi conf/example/instance.properties
#################################################
## mysql serverId
canal.instance.mysql.slaveId = 1234
# position info,需要改成自己的数据库信息
canal.instance.master.address = 127.0.0.1:3306
canal.instance.master.journal.name =
canal.instance.master.position =
canal.instance.master.timestamp =
#canal.instance.standby.address =
#canal.instance.standby.journal.name =
#canal.instance.standby.position =
#canal.instance.standby.timestamp =
# username/password,需要改成自己的数据库信息
canal.instance.dbUsername = canal
canal.instance.dbPassword = canal
canal.instance.defaultDatabaseName =
canal.instance.connectionCharset = UTF-8
# table regex
canal.instance.filter.regex = .*\\..*
#################################################
说明:
sh bin/startup.sh
vi logs/canal/canal.log
2013-02-05 22:45:27.967 [main] INFO com.alibaba.otter.canal.deployer.CanalLauncher - ## start the canal server.
2013-02-05 22:45:28.113 [main] INFO com.alibaba.otter.canal.deployer.CanalController - ## start the canal server[10.1.29.120:11111]
2013-02-05 22:45:28.210 [main] INFO com.alibaba.otter.canal.deployer.CanalLauncher - ## the canal server is running now ......
具体instance的日志:
vi logs/example/example.log
2013-02-05 22:50:45.636 [main] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [canal.properties]
2013-02-05 22:50:45.641 [main] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [example/instance.properties]
2013-02-05 22:50:45.803 [main] INFO c.a.otter.canal.instance.spring.CanalInstanceWithSpring - start CannalInstance for 1-example
2013-02-05 22:50:45.810 [main] INFO c.a.otter.canal.instance.spring.CanalInstanceWithSpring - start successful....
sh bin/stop.sh
本文为https://github.com/alibaba/canal项目文档,仅作个人记录使用