Planning Number Of Instance And Thread In Web Application Server

Determine number of wls threads and instances BEA Systems Korea Byungwook Cho Date 10/May 2004

AGENDA Determine # of WebLogic Instance 1 Determine # of WebLogic Process 2 3 Q&A

Determine number of WLS Thread

1. Response Time & Think Time ,[object Object],[object Object],[object Object],[object Object],Response Time Think Time Transaction Time Response Network Time Request Network Time Click Click Request Interval

2. Concurrent User ,[object Object],[object Object],10 분 시간 사용자 A 사용자 B 사용자 C 사용자 D 사용자 E Think Time Response Time 각각의 다른 IP 10 분간 동시 사용자 3 명 Visit Time

3. Active User ,[object Object],[object Object],[object Object],시간 사용자 A 사용자 B 사용자 C 사용자 D 사용자 E Response Time 순간 Active User 3 명 ( 사용자 A,B,C) 동시 사용자 5 명

3. Active User ,[object Object],[object Object],시간 사용자 A 사용자 B 사용자 C 사용자 D 사용자 E Request Interval

4. TPS ,[object Object],[object Object],[object Object],사용자 A 사용자 B 사용자 C 사용자 D 사용자 E Response Time (ex 2sec) TPS=5/2 = 2.5 TPS

4. TPS TPS = Throughput / measured time [seconds] = number of response / measured time [seconds] = number of request / measured time [seconds] = (Active User) / (Average Response Time) – F1 = (Concurrent User) / (Request Interval) – F2 = (Concurrent User) / (AVRT + AVTT)

4. TPS ,[object Object],[object Object],[object Object],[object Object]

5. Formula ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

6. Test ,[object Object],[object Object],[object Object],[object Object]

Determine number of WLS Instance

1. Determine # of WLS instance ,[object Object],[object Object]

2. # of Instance Determine Factor ,[object Object],[object Object],[object Object],[object Object],[object Object]

3. Factors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3. Factors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

4. Determine # of WLS Instance Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to? Define performance Objective Making Test scenario Determine # of threads and instances Test Tuning Monitoring in production Tuning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Very Important!!

[object Object],BEA Systems Korea Customer Support Team WebLogic Specialist Byungwook Cho

Planning Number Of Instance And Thread In Web Application Server

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