RavenDB 2.5 新特性简介

RavenDB是一个在.NET下的文档型数据库，它具有高扩展性，支持MapReduce，提供RESTful的接口。同时它又支持ACID的事务。

RavenDB允许你快速而高效地构建高性能、低延迟的应用程序。

以下是RavenDB 2.5 新特性:

• Dynamic Reporting
• Result Transformers
• Scripted Index Results
• Create new document from existing ones using the Patch API
• Spatial Enhancements
• Unbounded Streams support
• Excel integration CSV endpoint
• MSI Installer
• Use Northwind for sample data

Indexing:

• Index directly to memory
• Query optimizer can expand indexes
• Idle indexes & index priorities
• Allow to lock indexes

Improvements:

• Better pre fetching algorithms for reducing IO times
• SQL Replication is more robust, and performs significantly faster
• DTC performance improvement
• Better adherence to the DTC protocol
• Will refresh the index writer every now and then, avoiding high memory costs for active indexes
• An error in bulk insert would report immediately, instead of waiting for the process to complete
• Removed db write lock and enabled completely concurrent writes

Studio:

• Consolidated Documents & Collections screen
• Easier settings management
• Streamlined the UI
• Validate replication information from the studio
• Can now look at a sample document while editing an index