高潮是mamamama的韩文歌,国产精品无码v在线观看,经典人妻出轨文

前段時間花了時間看了看mongodb，室友買了mongodb權威指南也借過來瞅瞅，書對于剛剛接觸的人還是不錯的。廢話不多說上代碼。

1 .搭建環境

 MacBook pro 15款840 <p>
 VMWare Fusion8 <p>
 Centos 6.7 <p>
 mongodb-linux-x86_64-3.0.6.tgz

安裝mongodb
這一步其實就是一個解壓的過程。很簡單。
在安裝前把dbpath和logpath路徑新建好，然后會報錯。

     [root@rabbitmq-node2 ~]# mkdir -p /mongodb/data/arbiter
     [root@rabbitmq-node2 ~]# mkdir -p /mongodb/logs
     [root@rabbitmq-node2 data]# cd /usr/programmer/
     [root@rabbitmq-node2 programmer]# tar zxf mongodb-linux-x86_64-3.0.6.tgz 
     [root@rabbitmq-node2 programmer]# mv mongodb-linux-x86_64-3.0.6 mongodb
     [root@rabbitmq-node2 programmer]# mv mongodb /usr/local/
     [root@rabbitmq-node2 programmer]# ls
        apache-tomcat-8.0.26.tar.gz     nginx-1.9.4.tar.gz
        erlang-17.4-1.el6.x86_64.rpm    openssl-1.0.2c.tar.gz
        go1.4.2.linux-amd64.tar.gz      rabbitmq-server-3.5.6-1.noarch.rpm
        jdk-7u80-linux-x64.tar.gz       redis-3.0.3.tar
        mongodb-linux-x86_64-3.0.6.tgz  solr-5.2.1.tgz
        mongodb-osx-x86_64-3.0.6.tgz    zookeeper-3.4.6.tar.gz
        nginx-1.8.0.tar.gz
     [root@rabbitmq-node2 programmer]# cd /usr/local/
     [root@rabbitmq-node2 local]# cd mongodb/
     [root@rabbitmq-node2 mongodb]# ls
          bin  GNU-AGPL-3.0  README  THIRD-PARTY-NOTICES
     [root@rabbitmq-node2 mongodb]# mkdir conf
     [root@rabbitmq-node2 mongodb]# cd conf/

  這里有三臺虛擬機都是一樣這樣安裝。我就省略其他的了。

副本集群搭建
進入集群搭建，需要加一些配置：如下

#master.conf
#數據存放目錄
dbpath=/mongodb/data/master
#日志存放目錄
logpath=/mongodb/logs/master.log
#進程文件
pidfilepath=/mongodb/master.pid
#按照數據庫名字建立目錄存放數據
directoryperdb=true
#指定日志文件，該文件將保存所有的日志記錄、診斷信息。除非另有指定，
#mongod將所有的日志信息輸出到標準輸出。如果沒有指定logappend，重啟則日
#志會進行覆蓋操作
logappend=true
#副本集名字
replSet=szss
#綁定IP地址
bind_ip=192.168.31.101
#端口號
port=27017
#操作日志大小
oplogSize=10000
#是否后臺運行 進程在后臺運行的守護進程模式
fork=true
#預分配文件縮短啟動時間
noprealloc=true

注意如果之后關閉mongodb后重啟報錯，可能是你強行關閉造成鎖表，或者因為你的磁盤不夠大了。需要加上 nojournal = true 關閉操作日志。但是非常不建議這樣做。因為它可以幫助你備份和故障修復，提高寫入的速率。

其他的兩個配置也是大差不差。就不一一貼代碼了。

啟動mongodb服務：

[root@rabbitmq-node1 bin]# ./mongod --fork --rest ../conf/master.config 

2015-11-04T15:58:02.803-0500 I CONTROL  ** WARNING: --rest is specified without --httpinterface,

2015-11-04T15:58:02.803-0500 I CONTROL  **          enabling http interface

BadValue --fork has to be used with --logpath or --syslog

try './mongod --help' for more information

[root@rabbitmq-node1 bin]# ./mongod --rest -f  ../conf/master.config 

2015-11-04T15:58:41.235-0500 I CONTROL  ** WARNING: --rest is specified without --httpinterface,

2015-11-04T15:58:41.235-0500 I CONTROL  **          enabling http interface

note: noprealloc may hurt performance in many applications

about to fork child process, waiting until server is ready for connections.

forked process: 2494

child process started successfully, parent exiting
[root@rabbitmq-node1 bin]# ps -ef | grep mongod
root       2494      1  0 15:58 ?        00:00:00 ./mongod --rest -f ../conf/master.config
root       2537   2382  0 16:01 pts/0    00:00:00 grep mongod
[root@rabbitmq-node1 bin]# ./mongo 192.168.31.101:27017

MongoDB shell version: 3.0.6

connecting to: 192.168.31.101:27017/test

Server has startup warnings: 

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] 

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] 

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] **        We suggest setting it to 'never'

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] 

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] **        We suggest setting it to 'never'

2015-11-04T15:49:55.987-0500 I CONTROL  [initandlisten] 

> use admin

switched to db admin

> db.shutdownServer();

assert failed : unexpected error: Error: shutdownServer failed: shutdown must run from localhost when running db without auth

Error: assert failed : unexpected error: Error: shutdownServer failed: shutdown must run from localhost when running db without auth

    at Error (<anonymous>)

    at doassert (src/mongo/shell/assert.js:11:14)

    at assert (src/mongo/shell/assert.js:20:5)

    at DB.shutdownServer (src/mongo/shell/db.js:212:9)

    at (shell):1:4

2015-11-04T15:54:48.911-0500 E QUERY    Error: assert failed : unexpected error: Error: shutdownServer failed: shutdown must run from localhost when running db without auth

    at Error (<anonymous>)

    at doassert (src/mongo/shell/assert.js:11:14)

    at assert (src/mongo/shell/assert.js:20:5)

    at DB.shutdownServer (src/mongo/shell/db.js:212:9)

    at (shell):1:4 at src/mongo/shell/assert.js:13

> ^C

bye

--rest是開啟webUI監考頁面

這里寫圖片描述

這里說使用使用這種方式關閉服務必須在有登錄驗證情況下遠程ssh才擁有這個權限的，所以

[root@rabbitmq-node1 bin]# ./mongod --shutdown --dbpath /mongodb/data/master/

killing process with pid: 2434

使用客戶端命令來關閉。

啟動mongodb服務：

[root@rabbitmq-node1 bin]# ./mongo 127.0.0.1

MongoDB shell version: 3.0.6

connecting to: 127.0.0.1/test

2015-11-04T16:01:53.200-0500 W NETWORK  Failed to connect to 127.0.0.1:27017, reason: errno:111 Connection refused

2015-11-04T16:01:53.201-0500 E QUERY    Error: couldn't connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt failed

    at connect (src/mongo/shell/mongo.js:181:14)

    at (connect):1:6 at src/mongo/shell/mongo.js:181

exception: connect failed

可以看出是不識別localhost 127.0.0.1的

[root@rabbitmq-node1 bin]# ./mongo 192.168.31.101
MongoDB shell version: 3.0.6
connecting to: 192.168.31.101/test
Server has startup warnings: 
2015-11-04T15:58:41.235-0500 I CONTROL  ** WARNING: --rest is specified without --httpinterface,
2015-11-04T15:58:41.235-0500 I CONTROL  **          enabling http interface
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] 
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] 
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] 
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
2015-11-04T15:58:41.304-0500 I CONTROL  [initandlisten] 
> use admin
switched to db admin
> cfg={ "_id" : "szss", "members" : [ {  "_id" : 0,  "host" : "192.168.31.101:27017"  }  ]  }
{
    "_id": "szss",
    "members": [
        {
            "_id": 0,
            "host": "192.168.31.101:27017"
        }
    ]
}
> rs.initiate(cfg)
{ "ok" : 1 }
szss:OTHER> rs.add("192.168.31.154:27017")
{ "ok" : 1 }
szss:PRIMARY> rs.add("192.168.31.159:27017")
{ "ok" : 1 }

加入集群配置并初始化并且加上其他虛機的服務這里也可以一步到位。我也比較推薦這種方式。

{
    _id: "szss",
    members: [
        {
            _id: 0,
            host: '192.168.31.101: 27017',
            priority: 2
        },
        {
            _id: 1,
            host: '192.168.31.154: 27017',
            priority: 1
        },
        {
            _id: 2,
            host: '192.168.31.159: 27017',
            arbiterOnly: true
        }
    ]
};

這種方式是主節點，備節點，仲裁節點的副本集集群，但是在實際中，仲裁節點比較雞肋，他要占用一個服務，但是只是為了投票而已，只要將備節點的個數控制在奇數就足夠了。
回到現在的這種副本集集群搭建的方式，現在要賦予節點權重。權重是選舉中優先級最高的。

szss:PRIMARY> rs.conf()
{
    "_id": "szss",
    "version": 3,
    "members": [
        {
            "_id": 0,
            "host": "192.168.31.101:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {
                
            },
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 1,
            "host": "192.168.31.154:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {
                
            },
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 2,
            "host": "192.168.31.159:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {
                
            },
            "slaveDelay": 0,
            "votes": 1
        }
    ],
    "settings": {
        "chainingAllowed": true,
        "heartbeatTimeoutSecs": 10,
        "getLastErrorModes": {
            
        },
        "getLastErrorDefaults": {
            "w": 1,
            "wtimeout": 0
        }
    }
}
szss:PRIMARY> cfgs=rs.conf()
{
    "_id": "szss",
    "version": 3,
    "members": [
        {
            "_id": 0,
            "host": "192.168.31.101:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 1,
            "host": "192.168.31.154:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 2,
            "host": "192.168.31.159:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        }
    ],
    "settings": {
        "chainingAllowed": true,
        "heartbeatTimeoutSecs": 10,
        "getLastErrorModes": {},
        "getLastErrorDefaults": {
            "w": 1,
            "wtimeout": 0
        }
    }
}
#賦予權重
szss:PRIMARY> cfgs.members[0].priority=2
2
szss:PRIMARY> rs.conf()
{
    "_id": "szss",
    "version": 3,
    "members": [
        {
            "_id": 0,
            "host": "192.168.31.101:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 1,
            "host": "192.168.31.154:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        },
        {
            "_id": 2,
            "host": "192.168.31.159:27017",
            "arbiterOnly": false,
            "buildIndexes": true,
            "hidden": false,
            "priority": 1,
            "tags": {},
            "slaveDelay": 0,
            "votes": 1
        }
    ],
    "settings": {
        "chainingAllowed": true,
        "heartbeatTimeoutSecs": 10,
        "getLastErrorModes": {},
        "getLastErrorDefaults": {
            "w": 1,
            "wtimeout": 0
        }
    }
}
#重新讀取 初始化
szss:PRIMARY> rs.reconfig(cfgs)
{ "ok" : 1 }

進入到瀏覽器輸入 192.168.31.101:28017 如果是27017將訪問不了，需要將啟動端口號加上1000

這里寫圖片描述

測試
測試一下集群是否可用：
關掉主節點，模擬主節點宕機的情景

[root@rabbitmq-node1 bin]# ps -ef | grep mongod
root       2494      1  0 15:58 ?        00:00:17 ./mongod --rest -f ../conf/master.config
root       3344   2382  0 16:30 pts/0    00:00:00 grep mongod
[root@rabbitmq-node1 bin]# kill -9 2494

看一下備節點的狀態：

這里寫圖片描述

這里可以看到備節點已經變為主節點。

szss:PRIMARY> 
for(var i=0;i<10000;i++)db.test.insert(
 {
    "name": "lxc"+i,
    "age": 22,
    "sex": "man"
 }
)
WriteResult({ "nInserted" : 1 })

在主節點插入1w條數據。再看看備節點。

szss:SECONDARY> use admin
switched to db admin
szss:SECONDARY> use test
switched to db test
szss:SECONDARY> db.getMongo().setSlaveOk()
szss:SECONDARY> db.test.count()
10000
szss:SECONDARY>

szss:SECONDARY> use test
switched to db test
szss:SECONDARY> db.getMongo().setSlaveOk()
szss:SECONDARY> db.test.count()
10000

均已經同步過來了。

到這里就基本完成搭建了。mongodb的中文社區也很不錯。而且它的官方文檔寫的也很不錯。一起學習吧~

借鑒大神的文章：

http://www.cnblogs.com/zhanjindong/category/507349.html

http://www.mongoing.com

http://blog.csdn.net/luonanqin/article/details/8497860

歡迎光臨我的個人博客

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频

MongoDB副本集搭建和測試

MongoDB副本集搭建和測試

推薦閱讀更多精彩內容

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美 国产 综合 欧美 视频

MongoDB副本集搭建和測試

推薦閱讀更多精彩內容

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频