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huststore - High-performance Distributed Storage

huststore is a open source high performance distributed database system. It not only provides key-value storage service with extremely high performance, up to 100 thousand QPS, but also supports data structures like hash, set, sorted set, etc. Also, it can store binary data as value from a key-value pair, and thus can be used as an alternative of Redis.

In addtion, huststore implements a distributed message queue by integrating a special HA module, features including message Push Stream, and message Publish-SubScribe, these features can be used as replacements of the corresponding features in rabbitmq and gearman.

Features

huststore has two core components, hustdb and HA. hustdb is a database engine developed by our own, in the fundamental architecture. HA is implemented as a nginx module. It is well-known that nginx is a industry-proven high quality code base, thus by inheriting it huststore gains the below advantages:

• High Throughput
  hustdb uses libevhtp, a open source network library, as the inner network communication system, by incorporating it with high-performance storage engine, hustdb achieves a extremely high performance, the benchmark shows that QPS hits 100 thousand and even more.

• High Concurrency
  Please refer to concurrency report of nginx for more details.

• High Availability
  huststore architecture provides Replication (master-master) and load balance support. Therefore, the availability of HA is guaranteed by master-worker design. When one of worker process is down, the master will load another workder process, since multiple workers work independently, the HA is guaranteed to work steadily. The fundamental design architecture of huststore guarantees the high availability, by using master-master architecture, when one of the storage node fails, HA module will re-direct the request to another living master node. Also, when a node failure happens, HA cluster will automatically re-balance the data distribution, thus avoid single point of failure. In addition, HA cluster uses a distributed architecture design by incorporating LVS as the director, each HA node is separated and work independently. When one of the HA node is down, LVS will re-direct the request to other available HA node, thus avoids HA's failure on single point node.

• Language-free Interface
  huststore use http as the communication protocol, therefore the client side implementation is not limited in any specific programming language.

• Persistence
  You do not need to worry about the loss of data as most of interfaces will persist data to disk.

• Support Binary Key-Value

• Support Version Clock

Operation and Maintenance

Architect

Deployment

• Distributed KV storage : HA (hustdb ha) + DB (hustdb)
• Distributed Message Queue : HA (hustmq ha) + DB (hustdb)

Database Engine

Dependency

• cmake
• leveldb
• libcurl
• libevent2
• libevhtp
• zlog

Platforms

Tested platforms so far:

Platform	Description
CentOS 6.x	kernel >= 2.6.32 (GCC 4.4.7)

Quick Start

Read the Quick Start.

Documents

• hustdb
• hustmq

Above includes detailed documents of design, deployments, API usage and test samples. You can refer quickly to common problems in FAQ part.

Performance

Environment

CPU: Intel(R) Xeon(R) CPU E5-2630 @ 2.30GHz (6cores x2)
Memory: 64G
Disk: Intel SSD DC S3500 Series (300GB, 2.5in SATA 6Gb/s, 20nm, MLC), x4, RAID10(softraid), SAS Controller: LSI Logic SAS2008 PCI-Express Fusion-MPT SAS-2
Network Adapter: Intel I350
OS: CentOS release 6.8 x86_64 (2.6.32-642.4.2.el6.x86_64)

Products

• redis 3.2.6
• ssdb 1.9.4
• hustdb

Tools

• redis-benchmark
• wrk

Arguments

abbr	concurrency	value (bytes)
C1000-V256	1000	256
C1000-V512	1000	512
C1000-V1024	1000	1024
C2000-V256	2000	256
C2000-V512	2000	512
C2000-V1024	2000	1024

Benchmark

PUT

GET

See more details in here

LICENSE

huststore is licensed under New BSD License, a very flexible license to use.

Authors

• XuRuibo（hustxrb, [email protected])
• ChengZhuo（jobs, [email protected])

More

• Nginx module development kit - hustngx