规划
| 节点名 | IP | 角色 |
|---|---|---|
| node1 | 192.168.2.61 | master |
| node2 | 192.168.2.62 | slave1 –>master |
| node3 | 192.168.2.63 | slave2 –>master |
| node4 | 192.168.2.64 | mycat |
Mycat安装
安装java
[root@node4 ~]# tar -xf jdk-8u144-linux-x64.tar.gz
[root@node4 ~]# cp -rf jdk-8u144-linux-x64.tar /usr/local/jdk
卸载自带Java
[root@node4 ~]# yum -y remove java
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package java-1.6.0-openjdk.x86_64 1:1.6.0.0-1.66.1.13.0.el6 will be erased
--> Processing Dependency: jre >= 1.5.0 for package: 1:libreoffice-ure-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libjawt.so(SUNWprivate_1.1)(64bit) for package: 1:libreoffice-core-4.0.4.2-9.el6.x86_64
---> Package java-1.7.0-openjdk.x86_64 1:1.7.0.45-2.4.3.3.el6 will be erased
--> Running transaction check
---> Package libreoffice-core.x86_64 1:4.0.4.2-9.el6 will be erased
--> Processing Dependency: libavmedialo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libbasegfxlo.so()(64bit) for package: 1:libreoffice-pdfimport-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libbasegfxlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libbasegfxlo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libbasegfxlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libcomphelpgcc3.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libcomphelpgcc3.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libcomphelpgcc3.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libcomphelpgcc3.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libdbtoolslo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libdrawinglayerlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libeditenglo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libeditenglo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libeditenglo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libeditenglo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libfilelo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nisolang1gcc3.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nisolang1gcc3.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nisolang1gcc3.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nisolang1gcc3.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nutilgcc3.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libi18nutilgcc3.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libmsfilterlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libmsfilterlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libmsfilterlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libooxlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libooxlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libooxlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsaxlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsaxlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsaxlo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsaxlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsaxlo.so()(64bit) for package: 1:libreoffice-impress-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsblo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsblo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsfxlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsfxlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsfxlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsotlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsotlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsotlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvllo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvllo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvllo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvllo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvtlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvtlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvtlo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvtlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxcorelo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxcorelo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxcorelo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxcorelo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxlo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libsvxlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libswlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtklo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtklo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtklo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtllo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtllo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtllo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libtllo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libucbhelper4gcc3.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libucbhelper4gcc3.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libucbhelper4gcc3.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libutllo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libutllo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libutllo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libutllo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvbahelperlo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvbahelperlo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvcllo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvcllo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvcllo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvcllo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libvcllo.so()(64bit) for package: 1:libreoffice-impress-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libxolo.so()(64bit) for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libxolo.so()(64bit) for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libxolo.so()(64bit) for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libxolo.so()(64bit) for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-langpack-en-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-calc-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-xsltfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-pdfimport-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-writer-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-impress-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-math-4.0.4.2-9.el6.x86_64
--> Processing Dependency: libreoffice-core = 1:4.0.4.2-9.el6 for package: 1:libreoffice-draw-4.0.4.2-9.el6.x86_64
---> Package libreoffice-ure.x86_64 1:4.0.4.2-9.el6 will be erased
--> Running transaction check
---> Package libreoffice-calc.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-draw.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-graphicfilter.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-impress.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-langpack-en.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-math.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-pdfimport.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-writer.x86_64 1:4.0.4.2-9.el6 will be erased
---> Package libreoffice-xsltfilter.x86_64 1:4.0.4.2-9.el6 will be erased
--> Finished Dependency Resolution
Repository 'Server' is missing name in configuration, using id
file:///media/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/repodata/repomd.xml
Trying other mirror.
Dependencies Resolved
============================================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================================
Removing:
java-1.6.0-openjdk x86_64 1:1.6.0.0-1.66.1.13.0.el6 @anaconda-CentOS-201311272149.x86_64/6.5 75 M
java-1.7.0-openjdk x86_64 1:1.7.0.45-2.4.3.3.el6 @anaconda-CentOS-201311272149.x86_64/6.5 90 M
Removing for dependencies:
libreoffice-calc x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 24 M
libreoffice-core x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 229 M
libreoffice-draw x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 2.2 M
libreoffice-graphicfilter x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 1.2 M
libreoffice-impress x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 4.3 M
libreoffice-langpack-en x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 0.0
libreoffice-math x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 3.2 M
libreoffice-pdfimport x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 641 k
libreoffice-ure x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 8.1 M
libreoffice-writer x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 17 M
libreoffice-xsltfilter x86_64 1:4.0.4.2-9.el6 @anaconda-CentOS-201311272149.x86_64/6.5 2.0 M
Transaction Summary
============================================================================================================================================================
Remove 13 Package(s)
Installed size: 456 M
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Erasing : 1:libreoffice-math-4.0.4.2-9.el6.x86_64 1/13
Erasing : 1:libreoffice-impress-4.0.4.2-9.el6.x86_64 2/13
Erasing : 1:libreoffice-calc-4.0.4.2-9.el6.x86_64 3/13
Erasing : 1:libreoffice-pdfimport-4.0.4.2-9.el6.x86_64 4/13
Erasing : 1:libreoffice-draw-4.0.4.2-9.el6.x86_64 5/13
Erasing : 1:libreoffice-xsltfilter-4.0.4.2-9.el6.x86_64 6/13
Erasing : 1:libreoffice-langpack-en-4.0.4.2-9.el6.x86_64 7/13
Erasing : 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64 8/13
Erasing : 1:libreoffice-writer-4.0.4.2-9.el6.x86_64 9/13
Erasing : 1:libreoffice-core-4.0.4.2-9.el6.x86_64 10/13
Erasing : 1:libreoffice-ure-4.0.4.2-9.el6.x86_64 11/13
Erasing : 1:java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86_64 12/13
Erasing : 1:java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86_64 13/13
Verifying : 1:libreoffice-ure-4.0.4.2-9.el6.x86_64 1/13
Verifying : 1:libreoffice-draw-4.0.4.2-9.el6.x86_64 2/13
Verifying : 1:java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86_64 3/13
Verifying : 1:libreoffice-core-4.0.4.2-9.el6.x86_64 4/13
Verifying : 1:libreoffice-calc-4.0.4.2-9.el6.x86_64 5/13
Verifying : 1:libreoffice-pdfimport-4.0.4.2-9.el6.x86_64 6/13
Verifying : 1:libreoffice-impress-4.0.4.2-9.el6.x86_64 7/13
Verifying : 1:libreoffice-graphicfilter-4.0.4.2-9.el6.x86_64 8/13
Verifying : 1:libreoffice-langpack-en-4.0.4.2-9.el6.x86_64 9/13
Verifying : 1:java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86_64 10/13
Verifying : 1:libreoffice-writer-4.0.4.2-9.el6.x86_64 11/13
Verifying : 1:libreoffice-math-4.0.4.2-9.el6.x86_64 12/13
Verifying : 1:libreoffice-xsltfilter-4.0.4.2-9.el6.x86_64 13/13
Removed:
java-1.6.0-openjdk.x86_64 1:1.6.0.0-1.66.1.13.0.el6 java-1.7.0-openjdk.x86_64 1:1.7.0.45-2.4.3.3.el6
Dependency Removed:
libreoffice-calc.x86_64 1:4.0.4.2-9.el6 libreoffice-core.x86_64 1:4.0.4.2-9.el6 libreoffice-draw.x86_64 1:4.0.4.2-9.el6
libreoffice-graphicfilter.x86_64 1:4.0.4.2-9.el6 libreoffice-impress.x86_64 1:4.0.4.2-9.el6 libreoffice-langpack-en.x86_64 1:4.0.4.2-9.el6
libreoffice-math.x86_64 1:4.0.4.2-9.el6 libreoffice-pdfimport.x86_64 1:4.0.4.2-9.el6 libreoffice-ure.x86_64 1:4.0.4.2-9.el6
libreoffice-writer.x86_64 1:4.0.4.2-9.el6 libreoffice-xsltfilter.x86_64 1:4.0.4.2-9.el6
Complete!
解压安装MyCAT
[root@node4 ~]# tar -zxf Mycat-server-1.6.tar.gz
[root@node4 ~]# mv mycat /usr/local/mycat
创建用户
[root@node4 ~]# useradd mycat
[root@node4 ~]# id mycat
uid=501(mycat) gid=501(mycat) groups=501(mycat)
[root@node4 ~]# chown -R mycat:mycat /usr/local/mycat
修改配置文件
[root@node4 ~]# cd /usr/local/mycat/conf
修改server.xml
[root@node4 ~]# cat /usr/local/mycat/conf/server.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- - - Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License. - You
may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0
- - Unless required by applicable law or agreed to in writing, software -
distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the
License for the specific language governing permissions and - limitations
under the License. -->
<!DOCTYPE mycat:server SYSTEM "server.dtd">
<mycat:server xmlns:mycat="http://io.mycat/">
<system>
<property name="useSqlStat">0</property> <!-- 1为开启实时统计、0为关闭 -->
<property name="useGlobleTableCheck">0</property> <!-- 1为开启全加班一致性检测、0为关闭 -->
<property name="sequnceHandlerType">2</property>
<!-- <property name="useCompression">1</property>--> <!--1为开启mysql压缩协议-->
<!-- <property name="fakeMySQLVersion">5.6.20</property>--> <!--设置模拟的MySQL版本号-->
<!-- <property name="processorBufferChunk">40960</property> -->
<!--
<property name="processors">1</property>
<property name="processorExecutor">32</property>
-->
<!--默认为type 0: DirectByteBufferPool | type 1 ByteBufferArena-->
<property name="processorBufferPoolType">0</property>
<!--默认是65535 64K 用于sql解析时最大文本长度 -->
<!--<property name="maxStringLiteralLength">65535</property>-->
<!--<property name="sequnceHandlerType">0</property>-->
<!--<property name="backSocketNoDelay">1</property>-->
<!--<property name="frontSocketNoDelay">1</property>-->
<!--<property name="processorExecutor">16</property>-->
<!--
<property name="serverPort">8066</property> <property name="managerPort">9066</property>
<property name="idleTimeout">300000</property> <property name="bindIp">0.0.0.0</property>
<property name="frontWriteQueueSize">4096</property> <property name="processors">32</property> -->
<!--分布式事务开关，0为不过滤分布式事务，1为过滤分布式事务（如果分布式事务内只涉及全局表，则不过滤），2为不过滤分布式事务,但是记录分布式事务日志-->
<property name="handleDistributedTransactions">0</property>
<!--
off heap for merge/order/group/limit 1开启 0关闭
-->
<property name="useOffHeapForMerge">1</property>
<!--
单位为m
-->
<property name="memoryPageSize">1m</property>
<!--
单位为k
-->
<property name="spillsFileBufferSize">1k</property>
<property name="useStreamOutput">0</property>
<!--
单位为m
-->
<property name="systemReserveMemorySize">384m</property>
<!--是否采用zookeeper协调切换 -->
<property name="useZKSwitch">true</property>
</system>
<!-- 全局SQL防火墙设置 -->
<!--
<firewall>
<whitehost>
<host host="127.0.0.1" user="mycat"/>
<host host="127.0.0.2" user="mycat"/>
</whitehost>
<blacklist check="false">
</blacklist>
</firewall>
-->
<user name="user">
<property name="password">user</property>
<property name="schemas">mycatdb</property>
<property name="readOnly">false</property>
</user>
</mycat:server>
修改schema.xml
[root@node4 ~]# cat /usr/local/mycat/conf/schema.xml
<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">
<schema name="mycatdb" checkSQLschema="false" sqlMaxLimit="100">
<!-- auto sharding by id (long) -->
<table name="dao_table1" dataNode="dn1,dn2,dn3" rule="dao-rule1"/> 此处添加分片规则为dao-rule1
<table name="dao_table2" dataNode="dn1,dn2,dn3" rule="mod-long"/>
<table name="dao_table3" dataNode="dn1,dn2,dn3" rule="mod-long"/>
</schema>
<dataNode name="dn1" dataHost="localhost1" database="dao_db1" />
<dataNode name="dn2" dataHost="localhost1" database="dao_db2" />
<dataNode name="dn3" dataHost="localhost1" database="dao_db3"/>
<dataHost name="localhost1" maxCon="1000" minCon="10" balance="0"
writeType="0" dbType="mysql" dbDriver="native" switchType="1" slaveThreshold="100">
<heartbeat>show slave status</heartbeat>
<writeHost host="node1" url="192.168.2.61:3306" user="dao" password="dao">
</writeHost>
</dataHost>
</mycat:schema>
修改规则表
- 添加规则dao-rule1 使其可以根据c1列分片
[root@node4 ~]# cat /usr/local/mycat/conf/rule.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- - - Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License. - You
may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0
- - Unless required by applicable law or agreed to in writing, software -
distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the
License for the specific language governing permissions and - limitations
under the License. -->
<!DOCTYPE mycat:rule SYSTEM "rule.dtd">
<mycat:rule xmlns:mycat="http://io.mycat/">
<tableRule name="dao-rule1"> 添加规则dao-rule1 指定分片列为c1
<rule>
<columns>c1</columns>
<algorithm>mod-long</algorithm>
</rule>
</tableRule>
<tableRule name="rule1">
<rule>
<columns>id</columns>
<algorithm>func1</algorithm>
</rule>
</tableRule>
<tableRule name="rule2">
<rule>
<columns>user_id</columns>
<algorithm>func1</algorithm>
</rule>
</tableRule>
<tableRule name="sharding-by-intfile">
<rule>
<columns>sharding_id</columns>
<algorithm>hash-int</algorithm>
</rule>
</tableRule>
<tableRule name="auto-sharding-long">
<rule>
<columns>id</columns>
<algorithm>rang-long</algorithm>
</rule>
</tableRule>
<tableRule name="mod-long"> --此处可以看到mod-long模式使用id列进行分片
<rule>
<columns>id</columns>
<algorithm>mod-long</algorithm>
</rule>
</tableRule>
<tableRule name="sharding-by-murmur">
<rule>
<columns>id</columns>
<algorithm>murmur</algorithm>
</rule>
</tableRule>
<tableRule name="crc32slot">
<rule>
<columns>id</columns>
<algorithm>crc32slot</algorithm>
</rule>
</tableRule>
<tableRule name="sharding-by-month">
<rule>
<columns>create_time</columns>
<algorithm>partbymonth</algorithm>
</rule>
</tableRule>
<tableRule name="latest-month-calldate">
<rule>
<columns>calldate</columns>
<algorithm>latestMonth</algorithm>
</rule>
</tableRule>
<tableRule name="auto-sharding-rang-mod">
<rule>
<columns>id</columns>
<algorithm>rang-mod</algorithm>
</rule>
</tableRule>
<tableRule name="jch">
<rule>
<columns>id</columns>
<algorithm>jump-consistent-hash</algorithm>
</rule>
</tableRule>
<function name="murmur"
class="io.mycat.route.function.PartitionByMurmurHash">
<property name="seed">0</property><!-- 默认是0 -->
<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
<property name="virtualBucketTimes">160</property><!-- 一个实际的数据库节点被映射为这么多虚拟节点，默认是160倍，也就是虚拟节点数是物理节点数的160倍 -->
<!-- <property name="weightMapFile">weightMapFile</property> 节点的权重，没有指定权重的节点默认是1。以properties文件的格式填写，以从0开始到count-1的整数值也就是节点索引为key，以节点权重值为值。所有权重值必须是正整数，否则以1代替 -->
<!-- <property name="bucketMapPath">/etc/mycat/bucketMapPath</property>
用于测试时观察各物理节点与虚拟节点的分布情况，如果指定了这个属性，会把虚拟节点的murmur hash值与物理节点的映射按行输出到这个文件，没有默认值，如果不指定，就不会输出任何东西 -->
</function>
<function name="crc32slot"
class="io.mycat.route.function.PartitionByCRC32PreSlot">
<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
</function>
<function name="hash-int"
class="io.mycat.route.function.PartitionByFileMap">
<property name="mapFile">partition-hash-int.txt</property>
</function>
<function name="rang-long"
class="io.mycat.route.function.AutoPartitionByLong">
<property name="mapFile">autopartition-long.txt</property>
</function>
<function name="mod-long" class="io.mycat.route.function.PartitionByMod">
<!-- how many data nodes -->
<property name="count">3</property>
</function>
<function name="func1" class="io.mycat.route.function.PartitionByLong">
<property name="partitionCount">8</property>
<property name="partitionLength">128</property>
</function>
<function name="latestMonth"
class="io.mycat.route.function.LatestMonthPartion">
<property name="splitOneDay">24</property>
</function>
<function name="partbymonth"
class="io.mycat.route.function.PartitionByMonth">
<property name="dateFormat">yyyy-MM-dd</property>
<property name="sBeginDate">2015-01-01</property>
</function>
<function name="rang-mod" class="io.mycat.route.function.PartitionByRangeMod">
<property name="mapFile">partition-range-mod.txt</property>
</function>
<function name="jump-consistent-hash" class="io.mycat.route.function.PartitionByJumpConsistentHash">
<property name="totalBuckets">3</property>
</function>
</mycat:rule>
启动Mmycat
[mysql@node4 ~]$ /usr/local/mycat/bin/mycat start
Starting Mycat-server...
进行测试
在mycat中建表
[mysql@node4 ~]$ mysql -uuser -puser -P8066 -h127.0.0.1 -Dmycatdb
mysql: [Warning] Using a password on the command line interface can be insecure.
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.29-mycat-1.6-RELEASE-20161028204710 MyCat Server (OpenCloundDB)
Copyright (c) 2000, 2018, 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 |
+----------+
| mycatdb |
+----------+
1 row in set (0.00 sec)
mysql> use mycatdb
Database changed
mysql> create table dao_table1(c1 int auto_increment primary key , c2 int ) ;
Query OK, 0 rows affected (0.10 sec)
查看数据库中的表
mysql> use dao_db1 ;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables ;
+-------------------+
| Tables_in_dao_db1 |
+-------------------+
| dao_table1 |
+-------------------+
1 row in set (0.00 sec)
mysql> use dao_db2 ;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables ;
+-------------------+
| Tables_in_dao_db2 |
+-------------------+
| dao_table1 |
+-------------------+
1 row in set (0.00 sec)
mysql> use dao_db3 ;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables ;
+-------------------+
| Tables_in_dao_db3 |
+-------------------+
| dao_table1 |
+-------------------+
1 row in set (0.00 sec)
在mycat中插入数据
mysql> use mycatdb ;
Database changed
mysql> insert into dao_table1(c1,c2) values(1,1) ;
Query OK, 1 row affected (0.02 sec)
mysql> insert into dao_table1(c1,c2) values(2,1) ;
Query OK, 1 row affected (0.02 sec)
mysql> insert into dao_table1(c1,c2) values(3,3) ;
Query OK, 1 row affected (0.02 sec)
在数据库中查询
mysql> select * from dao_db1.dao_table1 ;
+----+------+
| c1 | c2 |
+----+------+
| 3 | 3 |
+----+------+
1 row in set (0.00 sec)
mysql> select * from dao_db2.dao_table1 ;
+----+------+
| c1 | c2 |
+----+------+
| 1 | 1 |
+----+------+
1 row in set (0.00 sec)
mysql> select * from dao_db3.dao_table1 ;
+----+------+
| c1 | c2 |
+----+------+
| 2 | 1 |
+----+------+
1 row in set (0.01 sec)