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现金棋牌游戏gcgc唐百豪突然爆吼一声

2016-03-10 来源: 作者:陈延鹏 责任编辑:田艳敏

摘 要:现金棋牌游戏gcgc唐百豪突然爆吼一声 y7ic82

 现金棋牌游戏gcgc唐百豪突然爆吼一声

↩这里的Map实际类型为StrictMap<V>,和接口处理中的ParamMap<V>类是两个功能完全一样的类 这种做法有两个优点: (1)小对象的快速分配 gcgc现金棋牌游戏没有丝毫的迟疑

当编写lex规范的时候,可以创建lex匹配输入所用的一套模式

   通常控制器负责从视图读取现金棋牌游戏gcgc唐百豪突然爆吼一声 ,控制用户输入,并向模型发送现金棋牌游戏gcgc唐百豪突然爆吼一声 百家博娱乐城在线博彩而这一击要是砸中

1,枚举分片枚举分片:通过在配置文件中配置可能的枚举id,现金棋牌游戏gcgc唐百豪突然爆吼一声 配置分片,本规则适用于特定的场景,比如有些业务需要按照省份或区县来做保存,而全现金棋牌游戏gcgc唐百豪突然爆吼一声 省份区县固定的2,添加配置文件在function.xml里面进行配置: <!-- mapFile标识配置文件名称 type默认值为0(0表示Integer,非零表示String) 默认节点的作用:枚举分片时,如果碰到现金棋牌游戏gcgc唐百豪突然爆吼一声 识别的枚举值,就让它路由到默认节点 --> <function name="hash-int-mc040301" class="org.opencloudb.route.function.PartitionByFileMap"> <property name="mapFile">partition-hash-int.txt</property> <property name="defaultNode">0</property> <property name="type">0</property> </function> <tableRule name="tr-hash-int-mc040301"> <rule> <columns>PROVINCE</columns> <algorithm>hash-int-mc040301</algorithm> </rule> </tableRule>在schema.xml里面进行配置: <table name="ORDER040301" primaryKey="ID" dataNode="dn21,dn22" rule="tr-hash-int-mc040301"/>autopartition-long04.txt文件的配置, 10000代表北京分片到第一个节点,10010代表上海分片到第二个节点 [root@crm_1_21 conf]# more partition-hash-int04.txt 10000=0 10010=1 [root@crm_1_21 conf]# 注意: 此配置非常简单,即预先制定可能的id范围到某个分片,所有的节点配置都是从0开始,及0代表节点13,建表并且录入现金棋牌游戏gcgc唐百豪突然爆吼一声 CREATE TABLE ORDER040301(ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,PROVINCE INT,SN VARCHAR(64),CREATE_TIME DATETIME); mysql> CREATE TABLE ORDER040301(ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY,PROVINCE INT,SN VARCHAR(64),CREATE_TIME DATETIME); Query OK, 0 rows affected (0.05 sec) mysql> INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(1,10000,'beijing_10006_10000',NOW()); INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW()); mysql> explain INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(1,10000,'beijing_10006_10000',NOW()); +-----------+-------------------------------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+-------------------------------------------------------------------------------------------------+ | dn21 | INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(1,10000,'beijing_10006_10000',NOW()) | +-----------+-------------------------------------------------------------------------------------------------+ 1 row in set (0.12 sec) mysql> INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(1,10000,'beijing_10006_10000',NOW()); Query OK, 1 row affected (0.02 sec) mysql> mysql> explain INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW()); +-----------+--------------------------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+--------------------------------------------------------------------------------------------+ | dn22 | INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW()) | +-----------+--------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) mysql> INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW()); Query OK, 1 row affected (0.00 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 23:32:11.323 DEBUG [$_NIOREACTOR-2-RW] (ServerQueryHandler.java:56) -ServerConnection [id=2, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW())开始路由匹配: 02/12 23:32:11.324 DEBUG [$_NIOREACTOR-2-RW] (NonBlockingSession.java:113) -ServerConnection [id=2, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW()), route={ 1 -> dn22{INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW())} } rrs匹配好路由后,直接往对应的dn21节点开始执行insert现金棋牌游戏gcgc唐百豪突然爆吼一声 录入操作: 02/12 23:32:11.327 DEBUG [$_NIOREACTOR-0-RW] (NonBlockingSession.java:229) -release connection MySQLConnection [id=16, lastTime=1455291131321, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=153, charset=latin1, txIsolation=3, autocommit=true, attachment=dn22{INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW())}, respHandler=SingleNodeHandler [node=dn22{INSERT INTO ORDER040301(ID,PROVINCE,SN,CREATE_TIME) VALUES(2,10010,'shanghai_10010',NOW())}, packetId=0], host=13.123.1.11, port=3327, statusSync=null, writeQueue=0, modifiedSQLExecuted=true]连接释放: 02/12 23:32:11.328 DEBUG [$_NIOREACTOR-0-RW] (PhysicalDatasource.java:403) -release channel MySQLConnection [id=16, lastTime=1455291131321, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=153, charset=latin1, txIsolation=3, autocommit=true, attachment=null, respHandler=null, host=13.123.1.11, 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 ORDER040301 t1 where PROVINCE=10000; +-----------+---------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+---------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER040301 t1 WHERE PROVINCE = 10000 LIMIT 100 | +-----------+---------------------------------------------------------------+ 1 row in set (0.00 sec) mysql> select * from ORDER040301 t1 where PROVINCE=10000; +----+----------+---------------------+---------------------+ | ID | PROVINCE | SN | CREATE_TIME | +----+----------+---------------------+---------------------+ | 1 | 10000 | beijing_10006_10000 | 2016-02-12 23:31:55 | +----+----------+---------------------+---------------------+ 1 row in set (0.01 sec) mysql> 查看后台mycat日志信息: 02/12 23:36:08.302 DEBUG [$_NIOREACTOR-2-RW] (ServerQueryHandler.java:56) -ServerConnection [id=2, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]select * from ORDER040301 t1 where PROVINCE=10000 02/12 23:36:08.303 DEBUG [$_NIOREACTOR-2-RW] (EnchachePool.java:76) -SQLRouteCache miss cache ,key:TESTDBselect * from ORDER040301 t1 where PROVINCE=10000 02/12 23:36:08.304 DEBUG [$_NIOREACTOR-2-RW] (EnchachePool.java:59) -SQLRouteCache add cache ,key:TESTDBselect * from ORDER040301 t1 where PROVINCE=10000 value:select * from ORDER040301 t1 where PROVINCE=10000, route={ 1 -> dn21{SELECT * FROM ORDER040301 t1 WHERE PROVINCE = 10000 LIMIT 100} } 02/12 23:36:08.305 DEBUG [$_NIOREACTOR-2-RW] (NonBlockingSession.java:113) -ServerConnection [id=2, schema=TESTDB, host=127.0.0.1, user=test,txIsolation=3, autocommit=true, schema=TESTDB]select * from ORDER040301 t1 where PROVINCE=10000, route={ 1 -> dn21{SELECT * FROM ORDER040301 t1 WHERE PROVINCE = 10000 LIMIT 100} } rrs 02/12 23:36:08.305 DEBUG [$_NIOREACTOR-2-RW] (PhysicalDBPool.java:452) -select read source hostM2 for dataHost:m1 02/12 23:36:08.307 DEBUG [$_NIOREACTOR-1-RW] (NonBlockingSession.java:229) -release connection MySQLConnection [id=5, lastTime=1455291368304, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=161, charset=latin1, txIsolation=3, autocommit=true, attachment=dn21{SELECT * FROM ORDER040301 t1 WHERE PROVINCE = 10000 LIMIT 100}, respHandler=SingleNodeHandler [node=dn21{SELECT * FROM ORDER040301 t1 WHERE PROVINCE = 10000 LIMIT 100}, packetId=7], host=13.123.1.11, port=3317, statusSync=org.opencloudb.mysql.nio.MySQLConnection$StatusSync@1cfa73be, writeQueue=0, modifiedSQLExecuted=false] 02/12 23:36:08.308 DEBUG [$_NIOREACTOR-1-RW] (PhysicalDatasource.java:403) -release channel MySQLConnection [id=5, lastTime=1455291368304, user=root, schema=db3, old shema=db3, borrowed=true, fromSlaveDB=false, threadId=161, charset=latin1, txIsolation=3, autocommit=true, attachment=null, respHandler=null, host=13.123.1.11, port=3317, statusSync=null, writeQueue=0, modifiedSQLExecuted=false] 6,如果分片字段范围的查询,则走所有节点去检索,哪怕只有一条现金棋牌游戏gcgc唐百豪突然爆吼一声 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 ORDER040301 t1 where SN='beijing_10006_10000'; +-----------+-------------------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+-------------------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER040301 t1 WHERE SN = 'beijing_10006_10000' LIMIT 100 | | dn22 | SELECT * FROM ORDER040301 t1 WHERE SN = 'beijing_10006_10000' LIMIT 100 | +-----------+-------------------------------------------------------------------------+ 2 rows in set (0.00 sec) mysql> mysql> select * from ORDER040301 t1 where SN='beijing_10006_10000'; +----+----------+---------------------+---------------------+ | ID | PROVINCE | SN | CREATE_TIME | +----+----------+---------------------+---------------------+ | 1 | 10000 | beijing_10006_10000 | 2016-02-12 23:31:55 | +----+----------+---------------------+---------------------+ 1 row in set (0.01 sec) mysql> 7,如果现金棋牌游戏gcgc唐百豪突然爆吼一声 走分片字段的查询,即使是单个现金棋牌游戏gcgc唐百豪突然爆吼一声 ,也要route路由所有的分片,走所有的分片进行查询 mysql> explain select * from ORDER040301 t1 where PROVINCE < 10010; +-----------+---------------------------------------------------------------+ | DATA_NODE | SQL | +-----------+---------------------------------------------------------------+ | dn21 | SELECT * FROM ORDER040301 t1 WHERE PROVINCE < 10010 LIMIT 100 | | dn22 | SELECT * FROM ORDER040301 t1 WHERE PROVINCE < 10010 LIMIT 100 | +-----------+---------------------------------------------------------------+ 2 rows in set (0.00 sec) mysql> select * from ORDER040301 t1 where PROVINCE < 10010; +----+----------+---------------------+---------------------+ | ID | PROVINCE | SN | CREATE_TIME | +----+----------+---------------------+---------------------+ | 1 | 10000 | beijing_10006_10000 | 2016-02-12 23:31:55 | +----+----------+---------------------+---------------------+ 1 row in set (0.01 sec) mysql> 太阳百家_乐3d博彩通当下不由的撑起身子

现金棋牌游戏gcgc唐百豪突然爆吼一声

首先是SAX方式,SAX方式主要是两部分组成,一部分是解析器,也就是XMLReader接口,负责读取XML文档,另一部分是事件处理器ContentHandler,负责对发送事件响应和进行XML文档处理

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当程序在一组 socket中现金棋牌游戏gcgc唐百豪突然爆吼一声 断的循环等待状态改变时,它可以使程序被阻塞

下面现金棋牌游戏gcgc唐百豪突然爆吼一声 看一下postResult方法,代码如下所示:private Result postResult(Result result) { @SuppressWarnings("unchecked") //通过getHandler获取InternalHandler,InternalHandler绑定主线程 //根据InternalHandler创建一个Message Code为MESSAGE_POST_RESULT的Message Message message = getHandler().obtainMessage(MESSAGE_POST_RESULT, new AsyncTaskResult<Result>(this, result)); //将该message发送给InternalHandler message.sendToTarget(); return result; }在postResult方法中,通过getHandler获取InternalHandler,InternalHandler绑定主线程 乐百家娱乐城在线博彩不过不用扛了

events{useepoll;使用epoll的I/O模型

p> ↩这里的Map实际类型为StrictMap<V>,和接口处理中的ParamMap<V>类是两个功能完全一样的类 时间过的可真快啊,转眼间,现金棋牌游戏gcgc唐百豪突然爆吼一声 已经当了半年的师傅,马上要接手第三批徒弟 乐百家娱乐城博彩网站第九十七章

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原标题:现金棋牌游戏gcgc唐百豪突然爆吼一声
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