mycat-rule

<?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 rule SYSTEM "rule.dtd">

-<mycat:rule xmlns:mycat="http://org.opencloudb/">

-<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">

-<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="sharding-by-month">

-<rule>

<columns>create_date</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>

<!--add in 2010.10.13 by zhangkai-->

-<tableRule name="dguid">

-<rule>

<columns>device_guid</columns>

<algorithm>murmur</algorithm>

</rule>

</tableRule>

<!--add in 2010.10.19 by zhangkai-->

-<tableRule name="userid">

-<rule>

<columns>userid</columns>

<algorithm>murmur</algorithm>

</rule>

</tableRule>

<!--add in 2010.10.20 by zhangkai-->

-<tableRule name="id">

-<rule>

<columns>id</columns>

<algorithm>murmur</algorithm>

</rule>

</tableRule>

<!--add in 2010.10.26 by zhangkai-->

-<tableRule name="keyname">

-<rule>

<columns>keyname</columns>

<algorithm>murmur</algorithm>

</rule>

</tableRule>

-<function name="murmur" class="org.opencloudb.route.function.PartitionByMurmurHash">

<property name="seed">0</property>

<!-- 默认是0 -->

<property name="count">1</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="hash-int" class="org.opencloudb.route.function.PartitionByFileMap">

<property name="mapFile">partition-hash-int.txt</property>

</function>

-<function name="rang-long" class="org.opencloudb.route.function.AutoPartitionByLong">

<property name="mapFile">autopartition-long.txt</property>

</function>

-<function name="mod-long" class="org.opencloudb.route.function.PartitionByMod">

<!-- how many data nodes -->

<property name="count">3</property>

</function>

-<function name="func1" class="org.opencloudb.route.function.PartitionByLong">

<property name="partitionCount">8</property>

<property name="partitionLength">128</property>

</function>

-<function name="latestMonth" class="org.opencloudb.route.function.LatestMonthPartion">

<property name="splitOneDay">24</property>

</function>

-<function name="partbymonth" class="org.opencloudb.route.function.PartitionByMonth">

<property name="dateFormat">yyyy-MM-dd</property>

<property name="sBeginDate">2015-01-01</property>

</function>

-<function name="rang-mod" class="org.opencloudb.route.function.PartitionByRangeMod">

<property name="mapFile">partition-range-mod.txt</property>

</function>

-<function name="jump-consistent-hash" class="org.opencloudb.route.function.PartitionByJumpConsistentHash">

<property name="totalBuckets">3</property>

</function>

</mycat:rule>