任务触发组件优化,常规1s预加载一次,预加载轮空时主动休眠4s,降低加载频率以及对DB压力;
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@ -1517,7 +1517,7 @@ Tips: 历史版本(V1.3.x)目前已经Release至稳定版本, 进入维护阶段
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- 6、登录界面取消默认填写的登录账号密码;
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- 7、[ING]cron在线生成工具;
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- 8、[ING]任务、执行器数据全量本地缓存;新增消息表广播通知;
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- 9、[ING]任务触发组件优化,常规1s预加载一次,轮空时主动休眠4s;
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- 9、任务触发组件优化,常规1s预加载一次,预加载轮空时主动休眠4s,降低加载频率以及对DB压力;
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- 10、注册监控线程优化,降低死锁几率;
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- 11、调度组件优化:针对永远不会触发的Cron禁止配置和启动;任务Cron最后一次触发后再也不会触发时,比如一次性任务,主动停止相关任务;
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- 12、任务列表交互优化,支持查看任务所属执行器的注册节点;
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@ -52,9 +52,10 @@ public class JobScheduleHelper {
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Connection conn = null;
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while (!scheduleThreadToStop) {
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// 扫描任务
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// Scan Job
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long start = System.currentTimeMillis();
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PreparedStatement preparedStatement = null;
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boolean preReadSuc = true;
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try {
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if (conn==null || conn.isClosed()) {
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conn = XxlJobAdminConfig.getAdminConfig().getDataSource().getConnection();
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@ -154,6 +155,8 @@ public class JobScheduleHelper {
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XxlJobAdminConfig.getAdminConfig().getXxlJobInfoDao().scheduleUpdate(jobInfo);
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}
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} else {
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preReadSuc = false;
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}
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// tx stop
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@ -187,14 +190,17 @@ public class JobScheduleHelper {
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}
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long cost = System.currentTimeMillis()-start;
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// next second, align second
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try {
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if (cost < 1000) {
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TimeUnit.MILLISECONDS.sleep(1000 - System.currentTimeMillis()%1000);
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}
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} catch (InterruptedException e) {
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if (!scheduleThreadToStop) {
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logger.error(e.getMessage(), e);
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// Wait seconds, align second
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if (cost < 1000) { // scan-overtime, not wait
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try {
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// pre-read success, exist job in 5s, wait 1s;
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// pre-read fail, no exist job in 5s, wait 1s
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TimeUnit.MILLISECONDS.sleep((preReadSuc?1000:4000) - System.currentTimeMillis()%1000);
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} catch (InterruptedException e) {
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if (!scheduleThreadToStop) {
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logger.error(e.getMessage(), e);
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}
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}
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}
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