https://github.com/zhongl/ipage

iPage is a light-weight java key-value store lib for message system.
https://github.com/zhongl/ipage

Last synced: 1 day ago
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iPage is a light-weight java key-value store lib for message system.

• Host: GitHub
• URL: https://github.com/zhongl/ipage
• Owner: zhongl
• License: apache-2.0
• Created: 2011-11-30T06:36:12.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2021-04-01T09:18:46.000Z (over 3 years ago)
• Last Synced: 2023-10-20T23:59:59.121Z (12 months ago)
• Language: Java
• Homepage:
• Size: 914 KB
• Stars: 41
• Watchers: 4
• Forks: 12
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

        
# What is it?

iPage is a java key-value store library, which is designed for message system.

# Features

* Very fast write by sequence appending

* Random reading by index

* \[A\]synchronize invocation

* Flush By write count or time elpase

* Group commit

* Date recovery after crash

* Garbage data collecting (or Defragment)

* Degrade after OOM

* Monitor and control by JMX

## More

Please see [issues](https://github.com/zhongl/iPage/issues?sort=created&direction=desc&state=open&page=1).

# Benchmark

    | Case            |   Times   | Total Eplase | Average Elapse | TPS         | Concurrency |

    |-----------------|-----------|--------------|----------------|-------------|-------------|

    | Random get      | 1,000,000 | 6.009 s      | 6,008   ns     | 166444.74   | 8           |

    | Async add       | 1,000,000 | 24.90 s      | 24,904  ns     | 40154.19    | 16          |

    | Async remove    | 1,000,000 | 32.84 s      | 32,842  ns     | 30448.82    | 16          |

    | Sync add        | 16,384    | 5.142 s      | 313,857 ns     | 3186.31     | 32          |

* Read and write data is 1KB

## Enviroment

* Linux 2.6.18-164.el5

* OpenJDK 64-Bit Server VM (build 1.6.0-b09, mixed mode)

* Intel(R) Xeon(R) CPU E5620  @ 2.40GHz 8 core

* Memory 24GB

* SCSI 1TB

# Getting started

## Preconditions

Make sure your enviroment has:

* [Git](http://git-scm.com/)

* [Maven](http://maven.apache.org/)

## Run test

    > git clone [email protected]:zhongl/iPage.git

    > cd iPage

    > mvn clean test

## Run benchmark

    > mvn clean test -Dtest=IPageBenchmark -DargLine="-Xmx512m -Xms512m"

## Usage

Please see:

- [IPageTest](https://github.com/zhongl/iPage/blob/master/src/test/java/com/github/zhongl/api/IPageTest.java)

# More

[Design Doc](https://github.com/zhongl/iPage/blob/master/doc/DESIGN.md)