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下面的代码花费了更多时间来降低整体应用程序的性能。AOP性能问题
@Aspect
@Component
public class LoggingHandler {
/**
* Logger initialization.
*
*/
private final Logger logger = LoggerFactory.getLogger(LoggingHandler.class);
/**
* Around advise for SlingAdapterImpl.
* @param pjp joinPoint
* @return response
* @throws Throwable exception
*/
@Around("execution(* com.abcd.oicp.storage.client.impl.SlingAdapterImpl.*(..))")
public Object logAroundAllMethods(ProceedingJoinPoint pjp) throws Throwable {
long startTime = Calendar.getInstance().getTimeInMillis();
Object obj = null;
try {
obj = pjp.proceed();
} finally {
logger.info("Method={} Time taken={} micro secs", pjp.getSignature().getName(),
(TimeUnit.MILLISECONDS.toMicros(Calendar.getInstance().getTimeInMillis() - startTime)));
}
return obj;
}
}
在JMeter中,它消耗约1.5秒。为什么?
是时间从毫秒转换为微秒 性能问题。
在此先感谢。