mongo bat

The secondary node in the replica set is not readable by default. In applications where there is less write-read, the replica sets is used to achieve read-write separation. By specifying Slaveok at the time of connection, or by specifying the secondary in the main library, the pressure of reading is shared by the primary and only the write operation is assumed.If you access MONGO through the shell, you want to query in secondary. The following error w

How does the mongo database test whether the mongo database is connected? Nbsp; I just got in touch with mongodb today. Unfamiliar. Nbsp; are there any learning materials for this purpose? Nbsp; thank you !, PHPcode lt ;? Ph mongo database How can I test whether the mongo database is connected? I am new to mongod

Address: https://npmjs.org/package/mongo-edit Installation:NPM install Mongo-Edit Go to the/mongo-edit/lib directory and modify the config. js file. Because the default 'development' mode is enabled, you can change the name to your own database name to access your database. Then, Start Node server. js in the mongo-ed

In the use of MySQL often need to do like query, when the storage media switch to MONGO, we also need to use this situation, thanks to MONGO provide regular expression operation, we can use it to Python blur Query def query (): conn = Connection (' 127.0.0.1 ', 27017) db = GetAttr (conn, ' dbname ') coll = getattr (db, ' Collname ') #使用正则查询 Import Re q = rs.compile (R ' Add ') #完成正则 R '. * ', R ' [a-z]+ '

Tags: mongod oca div auth document SQ parameter roo share picturebackground: title, you need to import a piece of data into the MONGO database to reduce the data source that the project relies on.Solution:Use the Mongoimport tool that comes with MONGO.First create an empty collection in the test library: "Import_test", initially with the following import directives:[Email protected] mongodb]#/bin/mongoimport--host192.168.104.178:17017-U adminuser-p112

Original link: http://www.cnblogs.com/huangxincheng/archive/2012/03/04/2379755.htmlThis machine installs MongoDB not to introduce, this article MONGO small rookie to learn native practice. Gossip less, the book belongs to the story. Simulates a multi-machine operating environment. (only in this machine, does not mean that multiple machines must be successful) Start each MongoDB service and configure the master-slave server Primary ser

Label:Reading guidance With the rapid development of the company's business data volume is also rapidly increasing, based on the user each dimension depth analysis, the relationship data pressure is more and more large; so eager to find some solutions; The research took a long time to finally adopt the Golang+mongod cluster of this scheme, using MONGO to do data analysis of the storage side, Data synchronization becomes a problem, the current online m

1. Download MONGO: Curl -O https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-3.0.6.tgz 2. Unzip: tar -zxvf mongodb-linux-x86_64-3.0. 6.tgz 3. Renaming: MV mongodb-linux-x86_64-3.0.6//usr/local/mongodb 4. Add environment variable: export=mongodb-install -directory>/bin:5. Create a new database directory: mkdir -p /data/db,/data/db is the default startup database path for MongoDB 6. Start MONGODB:CD mongodb-Inst

ext .: http://www.cnblogs.com/bjjjunjie/p/4076177.htmlNow the development of this project to use MONGO database development, found that the online tutorial is relatively small, only to look at the official side of the development, the development process to write down notes, also counted is a summary of it.I developed the use of vs2013, the driver is the latest 1.9.2 version ofOnline connection Database Tutorial A lot of search, I will not repeat, onl

Now the development of this project to use MONGO database development, found that the online tutorial is relatively small, only to look at the official side of the development, the development process to write down notes, also counted is a summary of it.I developed the use of vs2013, the driver is the latest 1.9.2 version ofOnline connection Database Tutorial A lot of search, I will not repeat, only one to write a database connection method1 protect

1:zabbix automatically discovers MONGO monitored ports and returns the format required for Zabbix_server, scripts are deployed on zabbix_agent and the path is/usr/local/zabbix/zabbix_discover_ mongo.sh, the script reads as follows:#!/bin/sh#zhuangweihong 20160419 Zabbix Discover MySQLres= ' sudo ss-tulnp|grep mongo|grep-v 28107|awk ' {print $ (NF-2)} ' |awk-f ': ' {print $ (NF)} ' |sort-u 'Count= ' echo ' $

Mongo Official Website: http://www.mongodb.org/ Mongo is used in work, but Mongo has not been systematically studied. It only records some knowledge points in the use of Mongo during work and can be supplemented at any time, to achieve the purpose of summary and memo. This article mainly Ends Record aggregation and q

Programme one:Very simple approach, but not necessarily for all environments.PECL Install MONGOThe installation will prompt successful and will allow you to configure extension=mongo.so in/etc/php.ini to make the MONGO driver effective and restart PHP-FPM.Scenario Two:Download the MONGO installation package,Unzip, and thenPhpize./configureAfter the installation is finished, it will output mongo.so's generat

MongoDB steps: 1. Google search MongoDB find the official website to download: http://www.mongodb.org/ 2. Decompression: Tar zvxf mongodb-linux-i686-2.4.3.tgz generate a mongodb-linux-i686-2.4.3 folder 3. Enter the Mongodb-linux-i686-2.4.3/bin folder, which binaries can be executed. Eg:#./mongod This is to open the MongoDB database service. 4. Error:dbpath (/data/db/) does not exist is generally present. This error. How to do it. Suggest a/data/db/folder on the line Ah ... 5. Open #./mongod

Linux system installation MONGO extension method Installation steps: Environment nginx/1.4.4 PHP 5.4.22 MongoDB 2.4.10 1. Download Extended installation package wget http://pecl.php.net/get/mongo-1.4.5.tgz 2. Compile and install Tar xvf mongo-1.4.5.tgz-c/usr/src cd/usr/src/mongo-1.4.5/ Phpize ./configure-

{ roothtml; } } } Java code localredis=require "Resty.redis" Localcache=redis.new () Localok, err=cache.connect (cache, ' 127.0.0.1 ', ' 6379 ') cache:set_timeout (60000) ifnotok then ngx.say ("failedto Connect: ", err) return end res,err=cache:set ("Dog", "Ananiaml") ifnotokthen ngx.say ("failedtosetdog:", err) nbsp return end Ngx.say ("setresult:", res) Localres,err=cache:get ("dog") ifnotres then ngx.say ("Failedtoget dog: ", err) return end Ifres==ngx.null the

Original link: "MongoDB" Windows platform build MONGO database replica set (similar cluster) (i)Replica sets (replica set) is a new feature that starts with the mongodDB1.6 version, which enables automatic failover and automatic repair of feature member nodes, and the data between each db is exactly the same, greatly reducing the risk of a single point of failure.【】This is the replica set schema for three nodes. The figure is from the book "The Essent

Tags: close BPA for professional RAC read too return newFirst time writing technology! Plain English talk about it. Just take it with you. I am, net of technical staff, will point Java so a lot of unprofessional, forgive Ha I just started using MONGO for two days before I got a half-bucket of water. Casually put MONGO in Win's build also write down. Actually, this is nothing to write about. Very simple

Label:1) Connect MONGO with MongoDB varMONGO = require (' MongoDB '),//Introducing MongoDB Dbhost= ' 127.0.0.1 ', Dbport= 27017;//Configure basic informationvarDb =MONGO. Db; varConnection =MONGO. Connection; varServer =MONGO. Server; vardb =NewDb (' Local ',NewServer (Dbhost, Dbport), {safe:true}); Initializes the da

After successfully running MONGO, the command line mode is entered, and the test database is selected by default MONGO1. Use the DB command to print out the currently selected database:> DBTest　　2. Use the show DBS command to print out a list of databases> Show DBSLocal 0.078GB3. Using use [dbname] to switch the database> Use LocalSwitched to DB LocalTry using the DB command to print a confirmation that is not in the local database:> DBLocalEven if us