MongoDB 1.6.1 released

MongoDB version 1.6.0 was released, which is the fourth major stable version after version 1.0, 1.2, and 1.4. MongoDB version 1.6.1 was released in August 17.

This version mainly focuses on enhancing the scale-out function. The sharding function can be used in the production environment. At the same time, horizontal partitioning and replica sets can be used to establish a horizontally Scalable Data Storage cluster to dynamically scale up the cluster without spof issues. Like other storage systems that support distributed clusters, the downtime and increase or decrease of some machines do not affect services. Single mongodProgramYou can upgrade to a distributed cluster without shutting down the cluster.

Replica sets allows you to build a high-Stability Cluster and provide automatic correction and recovery functions. We recommend that you replica pair) architecture users can easily migrate to the replication set architecture.

Other improvements for version 1.6

Acknowledged replication: The write operation must be successful only when data is successfully copied to N machines.

$ Or condition query supported

Indexes/collection is increased to 64

Concurrent Performance Improvement

Support for $ slice operations

Supports UNIX sockets and IPv6

Improvements in Windows

The Binary Package of the C ++ client is placed in an independent tarball.

Download location:Http://www.mongodb.org/display/DOCS/Downloads

Version description:Http://www.mongodb.org/display/DOCS/1.6+Release+Notes

Complete modification details:Http://jira.mongodb.org/secure/IssueNavigator.jspa? Mode = hide & requestid = 1...

Please passHttp://groups.google.com/group/mongodb-user(Discussion board supported) orHttp://jira.mongodb.org/(Question/function request database.

Next step

When version 1.6 is launched, the development team will focus on version 1.8.Http://jira.mongodb.org/By voting to help arrange the order of feature development, the current top feature is the durability of a single server.

10gen CEO and co-founder Dwight Merriman: What's New in MongoDB v1.6 for the 1.6 new feature, which can be downloaded hereHttp://www.10gen.com/webinars/mongodb16

Setting up replica sets with apsaradb for MongoDB 1.6

Http://www.coffeepowered.net/2010/08/06/setting-up-replica-sets-with-mongodb-1-6/

Automatic partitioning, sharding and Failover with MongoDB

Http://blog.boxedice.com/2010/08/03/automating-partitioning-sharding-and-failover-with-mongodb/