Heisenbugs: A Probabilistic Approach to Availability Jim Gray Microsoft Research http://research.microsoft.com/~gray/Talks/ the s are not shown (are hidden ...
Heisenbugs due to thread interference. race conditions. atomicity violations ... two threads access a shared variable at the same time. at least one of those ...
Probability and Statistics with Reliability, Queuing and ... Model of a real system developed at Avaya Labs. Modeling Software Faults. Application Failure ...
Algorithms are short, but formal methods hard to apply here. Debugger problems ... Correspondence between the real and virtual environments. Design of internal ...
CHESS in a nutshell. Replace the OS scheduler with a demonic scheduler ... CHESS can systematically test the boot and shutdown process ... So, is CHESS is unsound? ...
Microsoft Regular full page ad on 99.999% availability in USA Today. 15 ... is non-deterministic and dependent on the software reaching very rare states ...
Model construction, parameterization,solution,validation, interpretation ... These famous quotes bring out the difficulty of prediction. based on models: ...
Faults and fault-tolerance One of the selling points of a distributed system is that the system will continue to perform (at some level) even if some components ...
Combining Statistical Monitoring and Predictable Recovery for Self-Management ... don't do a good job of unwinding state properly when handling complex exceptions ...
Computers for the Post-PC Era David Patterson University of California at Berkeley Patterson@cs.berkeley.edu UC Berkeley IRAM Group UC Berkeley ISTORE Group
Computers for the Post-PC Era David Patterson University of California at Berkeley Patterson@cs.berkeley.edu UC Berkeley IRAM Group UC Berkeley ISTORE Group
Computers for the Post-PC Era David Patterson University of California at Berkeley Patterson@cs.berkeley.edu UC Berkeley IRAM Group UC Berkeley ISTORE Group
Faults and fault-tolerance One of the selling points of a distributed system is that the system will continue to perform (at some level) even if some components ...
Temporal failure. Security failure. Crash failures. Crash failure is irreversible. ... violated, but not liveness). Eventually. safety property is restored. P. Q ...
Features of the virtual synchrony model ... In what ways is a 'virtual' synchrony execution not the same thing? A synchronous ... Virtual Synchrony at a glance ...
Industry data shows that human error is the largest contributor to reduced dependability ... Make it easy to reverse action and make hard to perform ...
Analysis and Testing of. Concurrent Programs. Sebastian ... Tom Ball, Peli de Halleux, and interns. Gerard Basler (ETH Zurich), Katie Coons (U. T. Austin) ...
Provide baseline satellite infrastructure to make science data more accessible ... horizontal architectures and hardware level APIs via middleware such as CORBA. ...
Issue is dependency on critical ... The Arianne rocket is designed in a modular fashion. Guidance system. Flight telemetry ... Basic issues with the approach ...
229. If a builder build a house for some one, and does not construct ... produces inconsistencies between internal and external views of state after 3R cycle ...
PPT Emplacement Change in CPoint Collections: Move a ppt in a CPoint collection ... by another one by the new PPT Emplacement Change button in the CPoint Manager ...