Troubleshooting

Debugging, diagnosing, and analysing program and/or system behaviour.

Statistical analysis of latency through semantic profiling

~ Adrian Colyer ~ 2 Comments
Statistical analysis of latency through semantic profiling Huang et al., EuroSys'17 Unlike traditional application profilers that seek to show the 'hottest' functions where an application spends the most time, VProfiler shows you where the sources of variance in latency come from, tied to semantic intervals such as individual requests or transactions. ... an increasing number ... Continue Reading

Online reconstruction of structural information from datacenter logs

~ Adrian Colyer ~ 4 Comments
Online reconstruction of structural information from datacenter logs Chothia et al., EuroSys'17 Today's choice brings together a couple of themes that we've previously looked at on The Morning Paper: recovering system information from log files, and dataflows for stream processing. On log files (and tracing), see for example Dapper, the MysteryMachine, lprof, and Pivot tracing. ... Continue Reading