2. Forensics 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.
10. How can this happen? A: Our response time is 2.3 seconds B: Our response time is 1.5 seconds C: Our response time is 6 seconds
11. The beauty of measures ... Page Load Time HTTP Request Time 95 % Servlet Time NetworkSniffer Browser Web Server Firewall Application Server Request Time (max) ... is that there are so many to choose from
12. Types of Measurements Cyclic Measurements Are collected ar regular time intervals Are time based JMX, CPU, Memory Event-based measurements Are collected as a request occurs Are transactional Response Times, CPU consumption
13. Types of Statistics Min/Max Average Median Percentiles Use percentiles for event-based measures and averages (or max) for cyclical measures
15. Typical Measurements we work with Memory Consumption, GC CPU Usage, Load Average Response Time Transactions Database Statements, Pool Sizes Communication Calls, Latency, Size, Threads
17. What is the problem? We have response times of 6 seconds. 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.
34. Memory and GC State Handling Data Volume Web Tier Database Number of Requests JavaScript Latency Data Volume Rendering Comm. Behavior Business Tier O/R Access Memory and GC Browser
35. Remoting Stack Application Developers View Client Application Server Application Stub Facade Serialization Deserialisation Client Infrastructure Server Infrastructure Networking Networking
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.