MYSQL讀寫分離解決方案：MYCAT部署實錄
阿新 • • 發佈：2018-03-16
mysql mycat 讀寫分離 MASTER （KING01）
[root@king01 ~]# mysql -uroot -pabcd.1234 mysql> show master status; +------------------+----------+--------------+------------------+-------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set | +------------------+----------+--------------+------------------+-------------------+ | mysql-bin.000006 | 331 | | | | +------------------+----------+--------------+------------------+-------------------+ 1 row in set (0.00 sec)
SLAVE（KING02）
[root@king02 ~]# mysql -uroot -pabcd.1234
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.201
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 331
Relay_Log_File: relay-bin.000005
Relay_Log_Pos: 494
Relay_Master_Log_File: mysql-bin.000006
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 331
Relay_Log_Space: 824
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID: 6dc7ad57-25b9-11e8-9384-08002746e9d6
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.00 sec)MYCAT（KING03）
[root@king03 ~]# yum remove -y java-1.7.0-openjdk [root@king03 ~]# yum remove -y java-1.6.0-openjdk [root@king03 ~]# tar zxvf jdk-7u80-linux-x64.tar.gz [root@king03 ~]# mv jdk1.7.0_80 /usr/local
[root@king03 ~]# vi /etc/profile JAVA_HOME=/usr/local/jdk1.7.0_80 JAVA_BIN=/usr/local/jdk1.7.0_80/bin PATH=$PATH:$JAVA_BIN CLASSPATH=$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JAVA_HOME JAVA_BIN PATH CLASSPATH [root@king03 ~]# source /etc/profile
[root@king03 ~]# java -version java version "1.7.0_80" Java(TM) SE Runtime Environment (build 1.7.0_80-b15) Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)
[root@king03 ~]# tar zxvf Mycat-server-1.6.5-release-20180122220033-linux.tar.gz -C /usr/local [root@king03 ~]# vi /etc/profile export MYCAT_HOME=/usr/local/mycat export PATH=$PATH:$MYCAT_HOME/bin [root@king04 ~]# source /etc/profile
[root@king03 ~]# cd /usr/local/mycat/conf/
[root@king03 conf]# vi server.xml
<user name="tpcc" defaultAccount="true">
<property name="password">tpcc</property>
<property name="schemas">tpcc</property>
<!-- 表級 DML 權限設置 -->
<!--
<privileges check="false">
<schema name="TESTDB" dml="0110" >
<table name="tb01" dml="0000"></table>
<table name="tb02" dml="1111"></table>
</schema>
</privileges>
-->
</user>
<!--
<user name="user">
<property name="password">user</property>
<property name="schemas">TESTDB</property>
<property name="readOnly">true</property>
</user>
-->[root@king03 conf]# vi schema.xml
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">
<schema name="tpcc" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn_tpcc"> </schema>
<dataNode name="dn_tpcc" dataHost="dh_tpcc" database="tpcc1000" />
<dataHost name="dh_tpcc" maxCon="1000" minCon="10" balance="1"
writeType="0" dbType="mysql" dbDriver="native" switchType="2" slaveThreshold="100">
<heartbeat>show slave status</heartbeat>
<!-- can have multi write hosts -->
<writeHost host="tpcc_m1" url="192.168.1.201:3306" user="tpcc"
password="tpcc">
<!-- can have multi read hosts -->
<readHost host="tpcc_s1" url="192.168.1.202:3306" user="tpcc" password="tpcc" />
</writeHost>
<writeHost host="tpcc_m2" url="192.168.1.201:3306" user="tpcc"
password="tpcc" />
</dataHost>
</mycat:schema>[root@king03 conf]# vi log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d [%-5p][%t] %m %throwable{full} (%C:%F:%L) %n"/>
</Console>
<RollingFile name="RollingFile" fileName="${sys:MYCAT_HOME}/logs/mycat.log"
filePattern="${sys:MYCAT_HOME}/logs/$${date:yyyy-MM}/mycat-%d{MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %5p [%t] (%l) - %m%n</Pattern>
</PatternLayout>
<Policies>
<OnStartupTriggeringPolicy/>
<SizeBasedTriggeringPolicy size="250 MB"/>
<TimeBasedTriggeringPolicy/>
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<!--<AsyncLogger name="io.mycat" level="info" includeLocation="true" additivity="false">-->
<!--<AppenderRef ref="Console"/>-->
<!--<AppenderRef ref="RollingFile"/>-->
<!--</AsyncLogger>-->
<asyncRoot level="debug" includeLocation="true">
<!--<AppenderRef ref="Console" />-->
<AppenderRef ref="RollingFile"/>
</asyncRoot>
</Loggers>
</Configuration>[root@king03 ~]# mycat start Starting Mycat-server... [root@king03 ~]# mycat status Mycat-server is running (9648). [root@king03 ~]# netstat -tunlp tcp 0 0 :::8066 :::* LISTEN 9650/java tcp 0 0 :::9066 :::* LISTEN 9650/java
[root@king03 ~]# cd /usr/local/mycat/logs/ [root@king03 logs]# cat wrapper.log STATUS | wrapper | 2018/03/15 14:21:50 | --> Wrapper Started as Daemon STATUS | wrapper | 2018/03/15 14:21:50 | Launching a JVM... INFO | jvm 1 | 2018/03/15 14:21:55 | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org INFO | jvm 1 | 2018/03/15 14:21:55 | Copyright 1999-2006 Tanuki Software, Inc. All Rights Reserved. INFO | jvm 1 | 2018/03/15 14:21:55 | INFO | jvm 1 | 2018/03/15 14:21:58 | MyCAT Server startup successfully. see logs in logs/mycat.log
[root@king04 ~]# mysql -utpcc -ptpcc -P 8066 -h 192.168.1.203 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 6 Server version: 5.6.29-mycat-1.6.5-release-20180122220033 MyCat Server (OpenCloundDB) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +----------+ | DATABASE | +----------+ | tpcc | +----------+ 1 row in set (0.01 sec)
MYSQL讀寫分離解決方案：MYCAT部署實錄