Elastic-Job-lite 版本,10个分片,单机每5秒执行一次,为何10个分片是分开执行,而不是同时
时间: 2017-08-30来源:开源中国
前景提要
HDC调试需求开发(15万预算),能者速来!>>>
spring 配置如下: <job:simple id="demoSimpleSpringJob5" class="com.coderxing.demo.MyElasticJob" registry-center-ref="regCenter" cron="0/5 * * * * ?" sharding-total-count="10" reconcile-interval-minutes="1" overwrite="true" />
代码如下: public class MyElasticJob implements SimpleJob { /** * shardingContext 包含作业的分片信息。 */ @Override public void execute(ShardingContext shardingContext) { System.out.println("========================="+new Date()); System.out.println(Thread.currentThread().getName() + ", id:" + shardingContext.getShardingItem() + ", total:" + shardingContext.getShardingTotalCount() + ", P:" + shardingContext.getShardingParameter()); } }
按照我的理解,一台机器上,应该是启动10个线程同时执行,但现象是每隔10秒,执行一个分片,执行结果如下: =========================Wed Aug 30 13:45:47 CST 2017 inner-job-demoSimpleSpringJob5-1, id:0, total:10, P:null =========================Wed Aug 30 13:45:52 CST 2017 inner-job-demoSimpleSpringJob5-2, id:1, total:10, P:null =========================Wed Aug 30 13:46:07 CST 2017 inner-job-demoSimpleSpringJob5-3, id:2, total:10, P:null =========================Wed Aug 30 13:46:12 CST 2017 inner-job-demoSimpleSpringJob5-4, id:3, total:10, P:null =========================Wed Aug 30 13:46:27 CST 2017 inner-job-demoSimpleSpringJob5-5, id:4, total:10, P:null =========================Wed Aug 30 13:46:32 CST 2017 inner-job-demoSimpleSpringJob5-6, id:5, total:10, P:null =========================Wed Aug 30 13:46:47 CST 2017 inner-job-demoSimpleSpringJob5-7, id:6, total:10, P:null =========================Wed Aug 30 13:46:52 CST 2017 inner-job-demoSimpleSpringJob5-8, id:7, total:10, P:null =========================Wed Aug 30 13:47:07 CST 2017 inner-job-demoSimpleSpringJob5-9, id:8, total:10, P:null

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