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；

6 years ago · ac86231d2e
parent c00a2995c8
commit ac86231d2e
1 changed files with 2 additions and 2 deletions
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobScheduleHelper.java
+++ b/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) {