MongoDB

For different thread-safe, VC versions of the PHP release, you can get the precompiled binaries from PECL. Unpack and place the Php_mongo.dll in the PHP extension directory (the default is "ext"). Add the following content to the php.ini file:

Use MongoDB in the Laravel framework, provided you have installed the MongoDB and MongoDB PHP extensions.Not installed, specific can refer to the blog http://blog.csdn.net/turtleo/article/details/501194591, the use of composer in the Laravel

MongoDB Service Configuration series issues To Configure a service by configuring a file: Dbpath=f:\program\data\mongo\db #数据存储路径 logpath=f:\program\data\mongo\logs\mongo.log #日志存储路劲 logappend= True #日志写入方式: Append port=27017 #端口 #auth =true #是否认证

Description: There are two installed MongoDB database server, now need to set a main library, another set to from the library, to achieve master-slave synchronization. Operating System: CentOS 7.0 64-bit MongoDB database version:mongodb-linux-x86_64-

The use of aggregate helps us to further split the set in MongoDB. Example: Db.collection.aggregate ( {$match: {x:1}, { limit:10}, {$group: {_id: "$age"}} ); Operator Introduction: $project: Include, exclude, rename, and display

  First, connect the database hostConnect local host, port is 27017: $connection = new Mongo (); Connect remote host, port is default port: $connection = new Mongo ("192.168.2.1"); Connect the remote host port to the specified port: $connection =

In the same cluster, two 1 times from Node db117,db118 "Serverstatus was very slow" Db117 appears very slow: 2017-09-14t18:55:49.599+0800 [conn13113916] serverstatus was very slow: {after basic:0, after asserts:0 After the ndflushing:0, after the

Master-slave replication is a feature of MongoDB database, which improves the disaster-tolerant capability of database by data backup. However, since master-slave replication does not automatically implement failover features, MongoDB has developed

With spring and MONGOLDB integration, the versions of the spring and MongoDB-related jars are right, otherwise there will be problems in development; I manage these jar files with Maven, and using MAVEN, it's easy to manage these resource files

Fragmentation is a way to mongodb data horizontally, storing data evenly in Shard server clusters by selecting the right slice key. The fragmented component consists of the Shard server cluster, the config server, and the MONGOs process. As shown in

Add user authentication information in Spring MONGODB configuration Spring MongoDB Project Setup Please refer to: http://blog.csdn.net/h348592532/article/details/39344823. In the link to the article in detail, such as the use of a set of

Func (this *mongodb) storerecords (dbname, collection, Storedbname, tmpcollection string, QueryMap, Selecter Bson. M) (Err Error) {session: = this. GetSession () Defer session. Close () ITER: = Session. DB (dbname). C (collection). Find (QueryMap).

Reprinted from Http://www.cnlamp.org/linux/417.html Posted 2 years ago ⁄linux⁄ No Comments Since the version of MongoDB in the official Ubuntu apt source is older, it is installed with the APT source provided by MongoDB. To use the software on a

One, the basic command: 1. View all databases: Show DBS 2, select database Use DbName, if the database does not exist, the database will be created 3. View all database related operations (similar to JavaScript functions) Db.help () Use Db.help ()

The concept comparison between MongoDB and relational database: MongoDB relational database document row collection

Grammar The syntax format for MongoDB database creation is as follows: Use database_name If the database does not exist, create the database, or switch to the specified database. Example The following example we created the database Runoob: >

The MongoDB query document uses the Find () method. The Find () method displays all documents in an unstructured manner. Grammar Db.collection.find (query, projection) query: Optional, use the query operator to specify the query

1. Sharding What a shard is. Sharding is the storage of data on multiple machines. When the data set exceeds the capacity of a single server, the server's memory and disk IO are problematic, exceeding the performance bottleneck of a single server.

MongoDB installation configuration, startup off 1. Download the MongoDB installation files, I install the Windows 32-bit, download the address as follows: Http://www.mongodb.org/dr//fastdl.mongodb.org/win32/mongodb-win32-i386-2.6.4.zip/download 2.

An arbiter (arbiter) is a MongoDB instance in a replication set that does not hold data. The quorum node uses minimal resources and does not require hardware devices, cannot deploy arbiter in the same dataset node, can be deployed on other