Mycat大型项目使用案例Word格式文档下载.docx

Mycat大型项目使用案例Word格式文档下载.docx

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rootmycat/-R

[root@node24src]#rpm-ivhjre-8u51-linux-x64.rpm

Preparing...###########################################[100%]

1:

jre1.8.0_51###########################################[100%]

UnpackingJARfiles...

rt.jar...

jsse.jar...

charsets.jar...

localedata.jar...

jfxrt.jar...

plugin.jar...

javaws.jar...

Deploy.jar...

[root@node24src]#java-version

javaversion"

1.8.0_51"

Java（TM）SERuntimeEnvironment（build1.8.0_51-b16）

JavaHotSpot（TM）64-BitServerVM（build25.51-b03,mixedmode）

此处注意java版本不得低于1.6

至此Mycat安装就算完成了

2.mysql环境以及Mycat配置

我的环境如下

10.1.166.22：

mysqldn1

10.1.166.23mysqldn2

10.1.166.24mysqldn3

10.1.166.25mysqldn4

10.1.166.26mysqldn5

配置hosts文件

[root@node22src]#cat/etc/hosts

127.0.0.1localhostlocalhost.localdomainlocalhost4localhost4.localdomain4

:

1localhostlocalhost.localdomainlocalhost6localhost6.localdomain6

10.1.166.22node22

10.1.166.22dn1

10.1.166.23dn2

10.1.166.24dn3

10.1.166.25dn4

10.1.166.26dn5

传到各个机器

foriin10.1.166.2210.1.166.2310.1.166.2410.1.166.2510.1.166.26;

doscp/etc/hosts$i:

/etc;

done

为你的mycat用户设置个密码

[root@node24src]#passwdmycat

Changingpasswordforusermycat.

Newpassword:

BADPASSWORD:

itisWAYtooshort

istoosimple

Retypenewpassword:

passwd:

allauthenticationtokensupdatedsuccessfully.

原始mycat测试配置

[root@node24conf]#>

../logs/wrapper.log

[root@node24conf]#

[root@node24conf]#pwd

/usr/local/mycat/conf

[root@node24conf]#../bin/mycatstart

StartingMycat-server...

报错处理方案

[root@node24conf]#cat../logs/wrapper.log

STATUS|wrapper|2015/09/1801:

27:

36|-->

WrapperStartedasDaemon

36|LaunchingaJVM...

INFO|jvm1|2015/09/1801:

36|JavaHotSpot（TM）64-BitServerVMwarning:

ignoringoptionMaxPermSize=64M;

supportwasremovedin8.0

ERROR|wrapper|2015/09/1801:

36|JVMexitedwhileloadingtheapplication.

36|Error:

Exceptionthrownbytheagent:

.MalformedURLException:

Localhostnameunknown:

.UnknownHostException:

node24:

unknownerror

41|LaunchingaJVM...

INFO|jvm2|2015/09/1801:

41|JavaHotSpot（TM）64-BitServerVMwarning:

41|Error:

41|JVMexitedwhileloadingtheapplication.

45|LaunchingaJVM...

INFO|jvm3|2015/09/1801:

45|JavaHotSpot（TM）64-BitServerVMwarning:

45|JVMexitedwhileloadingtheapplication.

45|Error:

50|LaunchingaJVM...

INFO|jvm4|2015/09/1801:

50|JavaHotSpot（TM）64-BitServerVMwarning:

50|Error:

50|JVMexitedwhileloadingtheapplication.

54|LaunchingaJVM...

INFO|jvm5|2015/09/1801:

54|JavaHotSpot（TM）64-BitServerVMwarning:

54|JVMexitedwhileloadingtheapplication.

54|Error:

FATAL|wrapper|2015/09/1801:

54|Therewere5failedlaunchesinarow,eachlastinglessthan300seconds.Givingup.

54|Theremaybeaconfigurationproblem:

pleasecheckthelogs.

55|<

--WrapperStopped

发现有报错所以要先启动一下原始的连原始的都报错那还配置没有意义

36|JVMexitedwhileloadingtheapplicati