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fix: use fixedDelay instead of fixedRate to fix the problem of scheduling of multiple threads causing system crashes #213

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tjq 2021-02-09 22:47:36 +08:00
parent a1a5ade215
commit b4288225a0
1 changed files with 7 additions and 1 deletions
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8
powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/timing/schedule/OmsScheduleService.java
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@ -70,9 +70,10 @@ public class OmsScheduleService {
private static final long SCHEDULE_RATE = 15000;
@Async("omsTimingPool")
@Scheduled(fixedRate = SCHEDULE_RATE)
@Scheduled(fixedDelay = SCHEDULE_RATE)
public void timingSchedule() {
long start = System.currentTimeMillis();
Stopwatch stopwatch = Stopwatch.createStarted();
// 先查询DB，查看本机需要负责的任务
@ -111,6 +112,11 @@ public class OmsScheduleService {
}
log.info("[JobScheduleService] cron schedule: {}, workflow schedule: {}, frequent schedule: {}.", cronTime, wfTime, stopwatch.stop());
long cost = System.currentTimeMillis() - start;
if (cost > SCHEDULE_RATE) {
log.warn("[JobScheduleService] The database query is using too much time({}ms), please check if the database load is too high!", cost);
}
}
/**