37 lines
1.4 KiB
Java
37 lines
1.4 KiB
Java
package com.rj.config;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.scheduling.annotation.SchedulingConfigurer;
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import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
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import org.springframework.scheduling.config.ScheduledTaskRegistrar;
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import java.time.Clock;
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/**
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* 显式扩大 {@code @Scheduled} 线程池，避免单个耗时任务（如长时间 HTTP）占满默认单线程后拖死全部定时任务。
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* <p>与 {@code spring.task.scheduling.pool.size} 配置互补；此处代码保证至少 8 个调度线程。
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*/
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@Configuration
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public class AppSchedulingConfiguration implements SchedulingConfigurer {
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private static final int SCHEDULER_POOL_SIZE = 8;
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@Bean
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public Clock applicationClock() {
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return Clock.systemDefaultZone();
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}
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@Override
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public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
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ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
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scheduler.setPoolSize(SCHEDULER_POOL_SIZE);
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scheduler.setThreadNamePrefix("app-scheduling-");
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scheduler.setWaitForTasksToCompleteOnShutdown(true);
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scheduler.setAwaitTerminationSeconds(120);
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scheduler.setRemoveOnCancelPolicy(true);
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scheduler.initialize();
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taskRegistrar.setTaskScheduler(scheduler);
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}
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}
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