#MyCat配置文件概覽
APP
server.xml
配置系統配置和用戶權限
schema.xml 配置邏輯庫和邏輯表
rule.xml 配合schema.xml進行配置
#server.xml
配置系統相關參數
配置用戶訪問權限
配置sql防火牆和sql攔截器
標籤詳解
<?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>
<!--默認查詢條數-->
<property name="defaultMaxLimt">100</property>
<!--管理端口-->
<property name="managerPort">9066</property>
<!--最大解析sql的大小-->
<property name="maxPacketSize">104857600</property>
<property name="serverPort">3306</property>
<property name="useGlobleTableCheck">0</property>
<property name="userSqlStat">0</property>
<property name="bindIp">0.0.0.0</property>
<property name="charset">utf8</property>
<property name="frontWriteQueueSize">2048</property>
<!--這個單位是毫秒 sql超時時間-->
<property name="idleTimeOut">1800000</property>
<property name="sqlExecuteTimeout"></property>
</system>
<system name="root" defaultAccount="true">
<property name="password">123456</property>
<property name="schemas">imooc</property>
</system>
</mycat:server>
<mycat:server xmlns:mycat="http://io.mycat/">
<system>
<property name="nonePasswordLogin">0</property> <!-- 0爲需要密碼登陸、1爲不需要密碼登陸 ,默認爲0，設置爲1則需要指定默認賬戶-->
<property name="useGlobleTableCheck">0</property> <!-- 1爲開啓全加班一致性檢測、0爲關閉 -->
<property name="sqlExecuteTimeout">300</property> <!-- SQL 執行超時 單位:秒-->
<property name="sequnceHandlerType">2</property>
<!--<property name="sequnceHandlerPattern">(?:(\s*next\s+value\s+for\s*MYCATSEQ_(\w+))(,|\)|\s)*)+</property>-->
<!--必須帶有MYCATSEQ_或者 mycatseq_進入序列匹配流程 注意MYCATSEQ_有空格的情況-->
<property name="sequnceHandlerPattern">(?:(\s*next\s+value\s+for\s*MYCATSEQ_(\w+))(,|\)|\s)*)+</property>
<property name="subqueryRelationshipCheck">false</property> <!-- 子查詢中存在關聯查詢的情況下,檢查關聯字段中是否有分片字段 .默認 false -->
<!-- <property name="useCompression">1</property>--> <!--1爲開啓mysql壓縮協議-->
<!-- <property name="fakeMySQLVersion">5.6.20</property>--> <!--設置模擬的MySQL版本號-->
<!-- <property name="processorBufferChunk">40960</property> -->
<!--
<property name="processors">1</property>
<property name="processorExecutor">32</property>
-->
<!--默認爲type 0: DirectByteBufferPool | type 1 ByteBufferArena | type 2 NettyBufferPool -->
<property name="processorBufferPoolType">0</property>
<!--默認是65535 64K 用於sql解析時最大文本長度 -->
<!--<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>-->
<!--
對外提供的端口號
<property name="serverPort">8066</property>
管理端口號
<property name="managerPort">9066</property>
<property name="idleTimeout">300000</property>
<property name="bindIp">0.0.0.0</property>
<property name="dataNodeIdleCheckPeriod">300000</property> 5 * 60 * 1000L; //連接空閒檢查
<property name="frontWriteQueueSize">4096</property>
<property name="processors">32</property> -->
<property name="handleDistributedTransactions">0</property>
<!--
off heap for merge/order/group/limit 1開啓 0關閉
-->
<property name="useOffHeapForMerge">0</property>
<!--
單位爲m
-->
<property name="memoryPageSize">64k</property>
<!--
單位爲k
-->
<property name="spillsFileBufferSize">1k</property>
<property name="useStreamOutput">0</property>
<!--
單位爲m
-->
<property name="systemReserveMemorySize">384m</property>
<!--是否採用zookeeper協調切換 -->
<property name="useZKSwitch">false</property>
<!-- XA Recovery Log日誌路徑 -->
<!--<property name="XARecoveryLogBaseDir">./</property>-->
<!-- XA Recovery Log日誌名稱 -->
<!--<property name="XARecoveryLogBaseName">tmlog</property>-->
<!--如果爲 true的話 嚴格遵守隔離級別,不會在僅僅只有select語句的時候在事務中切換連接-->
<property name="strictTxIsolation">false</property>
<property name="useZKSwitch">true</property>
</system>
<!-- 全局SQL防火牆設置 -->
<!--白名單可以使用通配符%或着*-->
<!--例如<host host="127.0.0.*" user="root"/>-->
<!--例如<host host="127.0.*" user="root"/>-->
<!--例如<host host="127.*" user="root"/>-->
<!--例如<host host="1*7.*" user="root"/>-->
<!--這些配置情況下對於127.0.0.1都能以root賬戶登錄-->
<!--
<firewall>
<whitehost>
<host host="1*7.0.0.*" user="root"/>
</whitehost>
<blacklist check="false">
</blacklist>
</firewall>
-->
<user name="root" defaultAccount="true">
<property name="password">123456</property>
<property name="schemas">TESTDB</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>
</mycat:server>
