When there is a murder, suspicious fire or hit-and-run accident, police and rescue workers aren't the only ones in on the investigation. Forensic scientists also play an important part. They will take samples collected at the scene and analyze them in a forensics laboratory. With a little ingenuity and some very high-tech equipment, forensic scientists can help law enforcement catch even the wiliest perpetrator.Forensic science is a discipline that applies scientific analysis to the justice system, often to help prove the events of a crime. Forensic scientists analyze and interpret evidence found at the crime scene. That evidence can include blood, saliva, fibers, tire tracks, drugs,alcohol, paint chips and firearm residue.
Forensics<br />forensisadj - "of or before the forum." In Roman times, a criminal charge meant presenting the case before a group of public individuals in the forum. … The individual with the best argument and delivery would determine the outcome of the case. <br />
Understandyourmeasurements<br />Response Time and GC<br />Response Time only<br />
How can this happen?<br />A: Our response time is 2.3 seconds<br />B: Our response time is 1.5 seconds<br />C: Our response time is 6 seconds<br />
The beauty of measures ...<br /> Page Load Time<br /> HTTP Request Time<br />95 % Servlet Time<br />NetworkSniffer<br />Browser<br />Web Server<br />Firewall<br />Application<br />Server<br />Request Time (max)<br />... is that there are so many to choose from<br />
Types of Measurements<br />Cyclic Measurements<br />Are collected ar regular time intervals<br />Are time based<br />JMX, CPU, Memory<br />Event-based measurements<br />Are collected as a request occurs<br />Are transactional<br />Response Times, CPU consumption<br />
Types of Statistics<br />Min/Max<br />Average<br />Median<br />Percentiles<br />Use percentiles for event-based measures and averages (or max) for cyclical measures<br />
What is the problem?<br />We have response times of 6 seconds.<br />We have response times of 6 seconds for 95 percent of our users at a load of 500 users with a CPU utilization of 10 percent. <br />