Generic Adaptive Control. Contact: Joe Hellerstein IBM Thomas J Watson Research Center firstname.lastname@example.org May 16, 2003 http://www.research.ibm.com/PM. Participants. Research Joe Bigus (ABLE) Markus Debusman (University of Applied Science, Wiesbaden Germany) Yixin Diao Frank Eskesen
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Contact: Joe Hellerstein
IBM Thomas J Watson Research Center
May 16, 2003
JVM heap size
Servlet reload int
Fast response cache
Max simultan. requests
Multiple vendors, multiple standards
Mapping policies to IT “knobs”
Example: Configuration & Optimization in WebSphere
Control of Lotus Notes eMail Server
Lotus Notes Server
Measured Queue Length
Web Service requests
Heuristic: Find the smallest MaxClients that eliminates
Impact of MaxClients
Rule baseAutoTune Using Fuzzy Rules
AutoTune Controlling MaxClients on Apache
Old optimized setting
AutoTune Response to a new workload
Small Effect on
High System Utilization
Gap due to reduced utilization in sleep periods
Note: This is a longer-time averaged value than on slide 5.
“Other” (Sleep) Throughput
On-Line Capacity Planning
Autonomic Computing: Dynamic Surge Protection
Reuters: IBM: Software Can Predict Computer Demand
C/Net: IBM offers details on autonomic software
InfoWorld: IBM to show new autonomic suite at CeBIT
IDG News: IBM to show off new autonomic technology
InformationWeek: More Autonomic Capabilities From IBM
InternetNews:IBM Spruces Up Autonomic Computing Offerings
cw360.com: IBM to demo autonomic technology at CeBIT
"Feedback Control of a Lotus Notes Server: Modeling and Control Design," N. Gandhi, S. Parekh, J. Hellerstein, and D.M. Tilbury, American Control Conference, 2001. (Best paper in session.)
"An Introduction to Control Theory With Applications to Computer Science," JL Hellerstein and S Parekh, ACM Sigmetrics, 2001.
Using MIMO Feedback Control to Enforce Policies for Interrelated Metrics With Application to the Apache Web Serve," Y Diao, N Gandhi, JL Hellerstein, S Parekh, and DM Tilbury. Network Operations and Management, 2002. (Best paper in conference.)
"MIMO Control of an Apache Web Server: Modeling and Controller Design," Y Diao, N Gandhi, JL Hellerstein, S Parekh, and DM Tilbury, American Control Conference, 2002. (Best paper in session.)
"Using Fuzzy Control to Maximize Profits in Service Level Management," Y Diao, JL Hellerstein, S Parekh. Accepted to the IBM Systems Journal, 2002.
"A First-Principles Approach to Constructing Transfer Functions for Admission Control in Computing Systems," JL Hellerstein, Y Diao, and S Parekh. Conference on Decision and Control, 2002.
"Generic On-Line Discovery of Quantitative Models for Service Level Management," Y Diao, F Eskesen, S Froehlich, JL Hellerstein, A Keller, L Spainhower, and M Surendra, IFIP Symposium on Integrated Management, 2003.
On-Line Response Time Optimization of An Apache Web Server," Yixin Diao, Xue Lui, Steve Froehlich, Joseph L Hellerstein, Sujay Parekh, and Lui Sha. To appear in International Workshop on Quality of Service, 2003.