java实战CPU占用过高问题的排查及解决

/** * Created by dongxc on 2015/7/7. 通知消息队列 */
@Service("smsQueueService")
public class SmsQueueServiceImpl {
 // 生产异常队列方法
 public void produceMissSms(SmsLogDo smsLogDo) {
  /*
   * try{ String key = EnumRedisPrefix.SMS_QUEUE_MISS_DEAL.getValue(); boolean result = redisService.lpush(key,
   * smsLogDo, 0); if(result==false){ logger.error("通知消息异常队列生产消息返回失败！"+smsLogDo.getId()); } }catch(Exception e){
   * logger.error("通知消息异常队列生产消息失败！", e); }
   */
 }

 // 消费异常队列方法
 public SmsLogDo consumeMissSms() {
  try {
   String destKey = EnumRedisPrefix.SMS_QUEUE_MISS_DEAL.getValue();
   SmsLogDo smsLogDo = new SmsLogDo();
   Object obj = null;
   if (obj == null) {
    return null;
   } else {
    smsLogDo = (SmsLogDo) obj;
   }
   return smsLogDo;
  } catch (Exception e) {
   logger.error("通知消息队列消费方法失败！", e);
   return null;
  }
 }
}

/**
 * Created by dongxc on 2015/7/7.
 * 消息通知监控线程
 */
@Service("smsMonitorComsumer")
public class SmsMonitorComsumerImpl {

 @Autowired
 private SmsQueueServiceImpl smsQueueService;
 
 //取队列里的任务消费
 @Transactional(propagation= Propagation.NOT_SUPPORTED)
 public void run() {

 while (true) {
   try {
    SmsLogDo smsLogDo = smsQueueService.consumeMissSms();
    Boolean result = false;
    if(smsLogDo!=null){
     long diff = (new Date()).getTime() - smsLogDo.getSendtime().getTime() ;
     long min = diff%(1000*24*60*60)%(1000*60*60)/(1000*60);//计算差多少分钟
     if(min>5){
      result = true;
     }
    }
    if(result){
     smsQueueService.produceSms(smsLogDo);
    }else{
     smsQueueService.produceMissSms(smsLogDo);
    }
   } catch (Exception ex) {
    try{
     Thread.sleep(3000);
    }catch(Exception e){
     //logger.error("发送站内信息短信时线程执行失败2！", e);
    }
   }
  }



 }
}

/**
 * Created by dongxc on 2015/7/7.
 * 通知消息队列
 */
@Service("smsLogRunThread")
public class SmsLogRunThreadImpl {
 public int flag;
 @Autowired
 private SmsLogConsumerImpl smsLogConsumer;
 @Autowired
 private SmsMonitorComsumerImpl smsMonitorComsumer;

 @PostConstruct
 public void init() {
  
  
  if(ip!=""&&host!=""&&ip.equals(host)){
   Thread thread = new Thread(){
    public void run() {
     smsLogConsumer.run();
    }
   };
   thread.start();
   Thread thread1 = new Thread(){
    public void run() {
     smsMonitorComsumer.run();
    }
   };
   thread1.start();
  }

  
 }
}