简体中文

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 uses fastdb, 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 fastdb 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
  huststroe use http as the communication protocol, therefore the client side implementation is not limited in any specific programming language.

• Support Binary Key-Value

Operation and Maintenance

Architect

Deployment

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

Database Engine (fastdb)

Dependency

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

Documents

Catalog

• hustdb
• hustmq

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

Guide

• hustdb
• hustmq

API manual

• hustdb
• hustmq

Advanced

• hustdb
• hustmq

FAQ

• hustdb
• hustmq

Table Content

hustdb
　　doc
　　db
　　ha
　　sync
hustmq
　　doc
　　ha

hustdb/ha provides service for storage engine, could configured with multiple workers.
hustmq/ha provides service for message queue, can only configured with one worker.

Performance

hustdb

Machine Configuration: 24core, 64gb, 1tb sata(7200rpm)

Stress Test: 100 concurrent, 1000 thousand querys

DB CONF: single instance, thread model, 10 workers

Benchmark Result:

（1）PUT
	<1>value: 256B;      qps: 95 thousand
    <2>value: 1KB;       qps: 85 thousand
    <3>value: 4KB;       qps: 25 thousand
    <4>value: 16KB;      qps: 7 thousand
    <5>value: 64KB;      qps: 2 thousand

（2）GET
    <1>value: 256B;      qps: 100 thousand
    <2>value: 1KB;       qps: 95 thousand
    <3>value: 4KB;       qps: 25 thousand
    <4>value: 16KB;      qps: 7 thousand
    <5>value: 64KB;      qps: 2 thousand

（3）DEL
	<1>value: 256B;      qps: 100 thousand
    <2>value: 1KB;       qps: 100 thousand
	<3>value: 4KB;       qps: 100 thousand
	<4>value: 16KB;      qps: 100 thousand
	<5>value: 64KB;      qps: 100 thousand

hustmq

Machine Configuration: 24core, 64gb, 1tb sata(7200rpm)

Stress Test Parameters: 100 concurrent, 1000 thousand querys, single queue

DB Configuration: single instance, thread model, 10 workers

Benchmark Result:

（1）PUT
    <1>item: 256B;      qps: 30 thousand
    <2>item: 1KB;       qps: 25 thousand
    <3>item: 4KB;       qps: 20 thousand
    <4>item: 16KB;      qps: 7 thousand
    <5>item: 64KB;      qps: 2 thousand

（2）GET
    <1>item: 256B;      qps: 25 thousand
    <2>item: 1KB;       qps: 20 thousand
    <3>item: 4KB;       qps: 18 thousand
    <4>item: 16KB;      qps: 7 thousand
    <5>item: 64KB;      qps: 2 thousand

LICENSE

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

Authors

• XuRuibo（hustxrb, hustxrb@163.com)
• ChengZhuo（jobs, yao050421103@163.com)