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;

master
xuxueli 5 years ago
parent c00a2995c8
commit ac86231d2e
  1. 4
      xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java

@ -194,8 +194,8 @@ public class JobScheduleHelper {
// Wait seconds, align second
if (cost < 1000) { // scan-overtime, not wait
try {
// pre-read success, exist job in 5s, wait 1s;
// pre-read fail, no exist job in 5s, wait 1s
// pre-read success, exist job in pre-read period, wait 1s;
// pre-read fail, no exist job in pre-read period, wait 4s
TimeUnit.MILLISECONDS.sleep((preReadSuc?1000:4000) - System.currentTimeMillis()%1000);
} catch (InterruptedException e) {
if (!scheduleThreadToStop) {

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