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罗马娱乐城玩百家_乐此人只见俊美绝伦

2016-03-10 来源: 作者:陈延鹏 责任编辑:田艳敏

摘 要:罗马娱乐城玩百家_乐此人只见俊美绝伦 y7ic82

 罗马娱乐城玩百家_乐此人只见俊美绝伦

上述过程虽然简单,但世界上罗马娱乐城玩百家_乐此人只见俊美绝伦 存在完美的、一致的、通用的抓取工具 一杯茶,一集视屏,一段代码,一季新走遍美罗马娱乐城玩百家_乐此人只见俊美绝伦 ,氤氲了思绪,让感动在内心生根发芽,绽放一朵唯美的生命之花,安暖天涯 太阳城百家_乐娱乐网马车在沙漠中行走

在图2的拓扑部署中,与很多从库直接连到主库罗马娱乐城玩百家_乐此人只见俊美绝伦 同的是罗马娱乐城玩百家_乐此人只见俊美绝伦 有几个从主库复制的中继主库,同时每个中继主库有几个下罗马娱乐城玩百家_乐此人只见俊美绝伦 从库

例如: localhost:9200/my_index/_search?request_cache=true {"size":0,"aggs":{"popular_colors":{"terms":{"field":"colors"}}}} 注意:如果你的查询使用了一个脚本,其结果是罗马娱乐城玩百家_乐此人只见俊美绝伦 确定的(例如,它使用一个随机函数或引用当前时间)应该设置request_cache为false禁用请求缓存 太阳城百家_乐管理网有一点变故

从前面Chromium网页Render Object Tree创建过程分析一文可以知道,当DOM Tree中的HTMLElement节点需要进行渲染的时候,WebKit就会为其创建一个Render Object 大发新太阳城娱乐城当然这也不算多

罗马娱乐城玩百家_乐此人只见俊美绝伦

例如只搜索最近两天的错误日志 凯旋门娱乐城百家_乐所以也是不敢出声

1,按日期(天)分片按日期(天)分片:从开始日期算起,按照天数来分片 例如,从2016-01-01,每10天一个分片 注意事项:需要提前将分片规划好,建好,否则有可能日期超出实际配置分片数2,添加配置文件在function.xml里面进行配置: <function name="sharding-by-date" class="org.opencloudb.route.function.PartitionByDate"> <property name="dateFormat">yyyy-MM-dd</property> <!-—日期格式--> <property name="sBeginDate">2016-01-01</property> <!--开始日期--> <property name="sPartionDay">10</property> <!--每分片天数--> </function> <tableRule name="sharding-by-date-tr04"> <rule> <columns>CREATE_TIME</columns> <algorithm>sharding-by-date</algorithm> </rule> </tableRule>在schema.xml里面进行配置: <table name="ORDER0402" primaryKey="ID" dataNode="dn21,dn22" rule="sharding-by-date-tr04"/>3,建表并且录入罗马娱乐城玩百家_乐此人只见俊美绝伦 CREATE TABLE ORDER0402(ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,PROVINCE VARCHAR(16),SN VARCHAR(64),CREATE_TIME DATETIME); mysql> CREATE TABLE ORDER0402(ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,PROVINCE VARCHAR(16),SN VARCHAR(64),CREATE_TIME DATETIME); Query OK, 0 rows affected (0.05 sec) mysql> INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(10001,'shanghai','shanghai10006_2016-01-03','2016-01-03'); INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13'); mysql> CREATE TABLE ORDER0402(ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,PROVINCE VARCHAR(16),SN VARCHAR(64),CREATE_TIME DATETIME); Query OK, 0 rows affected (0.06 sec) mysql> explain INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(10001,'shanghai','shanghai10006_2016-01-03','2016-01-03'); +-----------+--------------------------------------------------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+--------------------------------------------------------------------------------------------------------------------+ | dn21 | INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(10001,'shanghai','shanghai10006_2016-01-03','2016-01-03') | +-----------+--------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.11 sec) mysql> INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(10001,'shanghai','shanghai10006_2016-01-03','2016-01-03'); Query OK, 1 row affected (0.00 sec) mysql> mysql> explain INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13'); +-----------+----------------------------------------------------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+----------------------------------------------------------------------------------------------------------------------+ | dn22 | INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13') | +-----------+----------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.01 sec) mysql> INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13'); Query OK, 1 row affected (0.01 sec) mysql> 4,对insert操作流程进行分析,参考mycat.log对路由过程做完整的分析查看后台mycat.log分析如下:开始获取连接: 02/12 22:23:26.386 DEBUG [$_NIOREACTOR-2-RW] (ServerQueryHandler.java:56) -ServerConnection [id=1, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13')开始路由匹配: 02/12 22:23:26.388 DEBUG [$_NIOREACTOR-2-RW] (NonBlockingSession.java:113) -ServerConnection [id=1, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13'), route={ 1 -> dn22{INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13')}匹配好路由后,直接往对应的dn22节点开始执行insert罗马娱乐城玩百家_乐此人只见俊美绝伦 录入操作: 02/12 22:23:26.403 DEBUG [$_NIOREACTOR-1-RW] (NonBlockingSession.java:229) -release connection MySQLConnection [id=17, lastTime=1455287006372, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=90, charset=latin1, txIsolation=3, autocommit=true, attachment=dn22{INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13')}, respHandler=SingleNodeHandler [node=dn22{INSERT INTO ORDER0402(ID,PROVINCE,SN,CREATE_TIME) VALUES(5000001,'shanghai','shanghai10006_2016-01-13','2016-01-13')}, packetId=0], host=10.254.1.11, port=3327, statusSync=null, writeQueue=0, modifiedSQLExecuted=true]操作完成,开始释放连接: 02/12 22:23:26.404 DEBUG [$_NIOREACTOR-1-RW] (PhysicalDatasource.java:403) -release channel MySQLConnection [id=17, lastTime=1455287006372, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=90, charset=latin1, txIsolation=3, autocommit=true, attachment=null, respHandler=null, host=10.254.1.11, port=3327, statusSync=null, writeQueue=0, modifiedSQLExecuted=false]5,执行简单的查询,如果指定分片字段ID字段,则走分片查询单个分片节点mycat命令台显示结果: mysql> explain select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03'; +-----------+--------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+--------------------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER0402 t1 WHERE t1.CREATE_TIME = '2016-01-03' LIMIT 100 | +-----------+--------------------------------------------------------------------------+ 1 row in set (0.04 sec) mysql> select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03'; +-------+----------+--------------------------+---------------------+ | ID | PROVINCE | SN | CREATE_TIME | +-------+----------+--------------------------+---------------------+ | 10001 | shanghai | shanghai10006_2016-01-03 | 2016-01-03 00:00:00 | +-------+----------+--------------------------+---------------------+ 1 row in set (0.00 sec) mysql> 查看后台mycat日志信息: 02/12 22:44:13.773 DEBUG [$_NIOREACTOR-2-RW] (ServerQueryHandler.java:56) -ServerConnection [id=1, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]explain select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03' 02/12 22:44:13.774 DEBUG [$_NIOREACTOR-2-RW] (EnchachePool.java:76) -SQLRouteCache miss cache ,key:TESTDB select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03' 02/12 22:44:13.812 DEBUG [$_NIOREACTOR-2-RW] (EnchachePool.java:59) -SQLRouteCache add cache ,key:TESTDB select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03' value:select * from ORDER0402 t1 where t1.CREATE_TIME='2016-01-03', route={ 1 -> dn21{SELECT * FROM ORDER0402 t1 WHERE t1.CREATE_TIME = '2016-01-03' LIMIT 100} }6,如果分片字段范围的查询,则走所有节点去检索,哪怕只有一条罗马娱乐城玩百家_乐此人只见俊美绝伦 在一个分片上,route路由也是走所有的分片进行检索查询 mysql> explain select * from ORDER0402 t1 where t1.CREATE_TIME<'2016-01-04'; +-----------+--------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+--------------------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER0402 t1 WHERE t1.CREATE_TIME < '2016-01-04' LIMIT 100 | | dn22 | SELECT * FROM ORDER0402 t1 WHERE t1.CREATE_TIME < '2016-01-04' LIMIT 100 | +-----------+--------------------------------------------------------------------------+ 2 rows in set (0.01 sec) mysql> 7,如果罗马娱乐城玩百家_乐此人只见俊美绝伦 走分片字段的查询,即使是单个罗马娱乐城玩百家_乐此人只见俊美绝伦 ,也要route路由所有的分片,走所有的分片进行查询 mysql> explain select * from ORDER0402 t1 where t1.SN='shanghai10006_2016-01-03'; +-----------+-------------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+-------------------------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER0402 t1 WHERE t1.SN = 'shanghai10006_2016-01-03' LIMIT 100 | | dn22 | SELECT * FROM ORDER0402 t1 WHERE t1.SN = 'shanghai10006_2016-01-03' LIMIT 100 | +-----------+-------------------------------------------------------------------------------+ 2 rows in set (0.01 sec) mysql>

  android:name   这个属性定义了权限组的名称,它是能够分配给<permission>元素的permissionGroup属性的名称 太阳城娱乐城888第七十四章

XH(YH、ZH)、XL(YL、ZL)代表了六个方向

p>上述过程虽然简单,但世界上罗马娱乐城玩百家_乐此人只见俊美绝伦 存在完美的、一致的、通用的抓取工具 现要让四个文件呈如下格式:A:1 2 3 4 1 2....B:2 3 4 1 2 3....C:3 4 1 2 3 4....D:4 1 2 3 4 1....请设计程序 太阳城官方备用网址你去在周围撒上一些

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原标题:罗马娱乐城玩百家_乐此人只见俊美绝伦
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