port 27017

Import and export use HNDB;Db.s.save ({name: ' John Doe ', age:18,score:80,address: ' Zhengzhou '});d B.s.save ({name: ' Lie Triple ', age:8,score:50,address: ' Zhengzhou '}); Db.s.save ({name: ' Zhang San ', age:38,score:20,address: ' Tianjin ');d

MongoDB distributed sharding Cluster [4]Sharding cluster configuration of MongoDBSharding cluster IntroductionThis is a horizontally scalable mode, which is especially powerful when the data volume is large. In practice, large-scale applications

single master and slave mode 1: Start Master [Jifeng@jifeng04 mongodb-linux-x86_64-2.6.4]$ Mongod--dbpath/home/jifeng/mongodb-linux-x86_64-2.6.4/data--port 10000--master 2014-09-05t15:11:50.115+0800 [Initandlisten] MongoDB starting:pid=23623 port=10

First, the introduction of replicationThe so-called replication is the process of synchronizing data between multiple hosts.1. Data redundancy and availabilityReplication technology provides data redundancy and availability, using multiple copies of

Build a high-availability MongoDB cluster (i)--Configure MongoDBIn the age of big data, traditional relational databases need to be able to have higher services to solve the challenges of high concurrency and read-write, efficient storage of massive

MongoDB Reading Notes (via3.0) (00) _ [Overview] (02) _ mongoDB3.0 mongod startup method test, _ mongodb3.0mongod Mongod startup I originally wanted to write the non-test mode cluster architecture of Replica, but it was really tricky to download 3.0

In the era of big data, traditional relational databases must solve the problems of high concurrent read/write, efficient storage of massive data, high scalability and high availability to provide higher services. However, Nosql was born because of

reproduced from: http://www.lanceyan.com/tech/mongodb/mongodb_cluster_1.html build high usable MongoDB cluster (i)--Configure MongoDBPosted on 171 months, 2013 by Lanceyan | 8 Reviews In the age of large data, the traditional relational database

Pymongo to manipulate the MongoDB database, but writes the operation code of the database directly in the script, which makes the application's code more coupled, and is not conducive to the optimization of the management of the CodeThe general

Pymongo to manipulate the MongoDB database, but writes the operation code of the database directly in the script, which makes the application's code more coupled, and is not conducive to the optimization of the management of the CodeThe general

I. Installation of MongoDB Environment: Linux 64bit Version: 2.0.1 Location:/opt/mongodb Installation steps: TAR–ZXVF Mongodb-linux-x86_64-2.0.1.tar–c/opt/mongodb Mkdir/opt/mongodb/data Touch/opt/mongodb/logs The installation is very simple, the

MongoDB cluster technology: replica set & sharding, mongodb ClusterA MongoDB replica set is a process of synchronizing data to multiple servers. The replica set provides redundant backup of data and stores data copies on multiple servers, this

For example, limit the memory size of the MongoDB. mkdir/cgroup/memory/test/ echo 50M >/cgroup/memory/test/memory.limit_in_bytes echo 50M >/cgroup/ Memory/test/memory.memsw.limit_in_bytes cgexec-g memory:test mongod-port 27017--bind_ip 127

About MongoDB Mongdb is a cross-platform, document-oriented database that enables high performance, high availability, and easy scalability, and is an open source database system based on distributed file storage. In the case of high load,

In the age of big data, traditional relational databases need to be able to have higher services to solve the challenges of high concurrency and read-write, efficient storage of massive data, high scalability and high availability. But it is because

Set up common set db.createcollections AAA; Fixed set name book capped true fixed collection size Max: Number of documents Db.createcollection ("book", {capped:true, Size:10000,max:5}) "capped": false, indicates normal collectionNormal collections

Build a high-availability MongoDB cluster (i)--Configure MongoDBPosted on 171 months, by Lanceyan | 9 ReviewsIn the age of big data, traditional relational databases need to be able to have higher services to solve the challenges of high

MongoDB Replica Set ConfigurationMongoDB replication is the process of synchronizing data across multiple servers.Replication provides redundant backups of data, stores copies of data on multiple servers, improves data availability, and guarantees

1. Db.serverstatus () See Shard Performance InformationDb.serverstatus (). connections; Shards view the number of client connections, Mongod and MONGOs connections are long connections"Connections": {"Current": 737,--the currently active connection

Mongod StartOriginally wanted to write replica of the non-test mode of the cluster architecture, but it is the hand itch, the MongoDB 3.0 to download down, looked at the document after one or two eyes decided to write a little bit about the start of