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@@ -0,0 +1,30 @@
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+package com.genersoft.iot.vmp.conf;
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+
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+import org.apache.commons.lang3.concurrent.BasicThreadFactory;
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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.config.ScheduledTaskRegistrar;
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+
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+import java.util.concurrent.ScheduledThreadPoolExecutor;
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+import java.util.concurrent.ThreadPoolExecutor;
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+
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+/**
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+ * "@Scheduled"是Spring框架提供的一种定时任务执行机制,默认情况下它是单线程的,在同时执行多个定时任务时可能会出现阻塞和性能问题。
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+ * 为了解决这种单线程瓶颈问题,可以将定时任务的执行机制改为支持多线程
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+ */
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+@Configuration
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+public class ScheduleConfig implements SchedulingConfigurer {
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+
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+ public static final int cpuNum = Runtime.getRuntime().availableProcessors();
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+
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+ private static final int corePoolSize = cpuNum;
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+
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+ private static final String threadNamePrefix = "scheduled-task-pool-%d";
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+
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+ @Override
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+ public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
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+ taskRegistrar.setScheduler(new ScheduledThreadPoolExecutor(corePoolSize,
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+ new BasicThreadFactory.Builder().namingPattern(threadNamePrefix).daemon(true).build(),
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+ new ThreadPoolExecutor.CallerRunsPolicy()));
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+ }
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+}
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