MongoDB 2.6.4 主从同步 - 数据库编程

go localhost:10001
MongoDB shell version: 2.6.4
connecting to: localhost:10001/test
> db.master.find()
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 }
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 }
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 }

4：主写数据

> db.master.insert({uid:1004})
WriteResult({ "nInserted" : 1 })
> db.master.find()
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 }
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 }
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 }
{ "_id" : ObjectId("5409638c0a6617467df195ec"), "uid" : 1004 }
>

从查询数据

[linuxidc@linuxidc04 ~]$ cd mongodb-linux-x86_64-2.6.4
[linuxidc@linuxidc04 mongodb-linux-x86_64-2.6.4]$ mongo localhost:10001
MongoDB shell version: 2.6.4
connecting to: localhost:10001/test
> db.master.find()
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 }
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 }
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 }
> db.master.find()
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 }
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 }
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 }
{ "_id" : ObjectId("5409638c0a6617467df195ec"), "uid" : 1004 }
>

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从机日志

2014-09-05T15:15:48.791+0800 [initandlisten] connection accepted from 127.0.0.1:35622 #1 (1 connection now open)
2014-09-05T15:16:34.336+0800 [replslave] repl: checkpoint applied 15 operations
2014-09-05T15:16:34.336+0800 [replslave] repl: syncedTo: Sep 5 15:16:24 54096348:1
2014-09-05T15:18:48.556+0800 [clientcursormon] mem (MB) res:36 virt:585
2014-09-05T15:18:48.556+0800 [clientcursormon] mapped (incl journal view):320
2014-09-05T15:18:48.556+0800 [clientcursormon] connections:1
2014-09-05T15:18:54.357+0800 [replslave] repl: checkpoint applied 15 operations
2014-09-05T15:18:54.358+0800 [replslave] repl: syncedTo: Sep 5 15:18:44 540963d4:1

关闭MongoDB ：

方法一：

[linuxidc@linuxidc04 mongodb-linux-x86_64-2.6.4]$ mongod --shutdown --dbpath /home/linuxidc/mongodb-linux-x86_64-2.6.4/data
killing process with pid: 22745

方法二：

[linuxidc@linuxidc04 mongodb-linux-x86_64-2.6.4]$ mongo localhost:10000
MongoDB shell version: 2.6.4
connecting to: localhost:10001/test
> use admin;
switched to db admin
> db.shutdownServer();
2014-09-05T15:23:59.910+0800 DBClientCursor::init call() failed
server should be down...
2014-09-05T15:23:59.912+0800 trying reconnect to localhost:10000 (127.0.0.1) failed
2014-09-05T15:23:59.915+0800 warning: Failed to connect to 127.0.0.1:10000, reason: errno:111 Connection refused
2014-09-05T15:23:59.915+0800 reconnect localhost:10000 (127.0.0.1) failed failed couldn't connect to server localhost:10000 (127.0.0.1), connection attempt failed
> exit;
[linuxidc@linuxidc04 ~]$

MongoDB 2.6.4 主从同步(二)