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terrymanu 提交于 2020-06-05 18:15 . for #737,rename groupId to asf (#745)

Elastic-Job - distributed scheduled job solution

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Homepage

中文主页

Elastic-Job-Lite Console GitHub release

Overview

Elastic-Job is a distributed scheduled job solution. Elastic-Job is composited from 2 independent sub projects: Elastic-Job-Lite and Elastic-Job-Cloud.

Elastic-Job-Lite is a centre-less solution, use lightweight jar to coordinate distributed jobs.

Elastic-Job-Lite and Elastic-Job-Cloud provide unified API. Developers only need code one time, then decide to deploy Lite or Cloud as you want.

Features

  • Distributed schedule job coordinate
  • Elastic scale in and scale out supported
  • Failover
  • Misfired jobs refire
  • Sharding consistently, same sharding item for a job only one running instance
  • Self diagnose and recover when distribute environment unstable
  • Parallel scheduling supported
  • Job lifecycle operation
  • Lavish job types
  • Spring integrated and namespace supported
  • Web console

Architecture

Elastic-Job-Lite

Elastic-Job-Lite Architecture

Release Notes

Roadmap

Quick Start

Add maven dependency

<!-- import elastic-job lite core -->
<dependency>
    <groupId>org.apache.shardingsphere.elasticjob</groupId>
    <artifactId>elastic-job-lite-core</artifactId>
    <version>${lasted.release.version}</version>
</dependency>

<!-- import other module if need -->
<dependency>
    <groupId>org.apache.shardingsphere.elasticjob</groupId>
    <artifactId>elastic-job-lite-spring</artifactId>
    <version>${lasted.release.version}</version>
</dependency>

Job development

public class MyElasticJob implements SimpleJob {
    
    @Override
    public void execute(ShardingContext context) {
        switch (context.getShardingItem()) {
            case 0: 
                // do something by sharding item 0
                break;
            case 1: 
                // do something by sharding item 1
                break;
            case 2: 
                // do something by sharding item 2
                break;
            // case n: ...
        }
    }
}

Job configuration

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:reg="http://www.dangdang.com/schema/ddframe/reg"
    xmlns:job="http://www.dangdang.com/schema/ddframe/job"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd
                        http://www.dangdang.com/schema/ddframe/reg
                        http://www.dangdang.com/schema/ddframe/reg/reg.xsd
                        http://www.dangdang.com/schema/ddframe/job
                        http://www.dangdang.com/schema/ddframe/job/job.xsd
                        ">
    <!--configure registry center -->
    <reg:zookeeper id="regCenter" server-lists="yourhost:2181" namespace="dd-job" base-sleep-time-milliseconds="1000" max-sleep-time-milliseconds="3000" max-retries="3" />

    <!--configure job -->
    <job:simple id="myElasticJob" class="xxx.MyElasticJob" registry-center-ref="regCenter" cron="0/10 * * * * ?"   sharding-total-count="3" sharding-item-parameters="0=A,1=B,2=C" />
</beans>
Java
1
https://gitee.com/trigon/elastic-job.git
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elastic-job
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