Job ManagementOption (WLM)

r11 Basic Scalability Tests

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Objectives

- Primary Objective: Run basic scalability tests with Unicenter Job Management Option r11

- Define 7500 Job sets in a suite of 75.- Each suite has 100 jobsets- Each jobset has 6 jobs

- Job 1 – No dependency- Job 2 – No dependency - Job 3 – No dependency- Job 4 – Dependent on completion of Jobs 1,2 and 3- Job 5 – Dependent on Job 4- Job 6 – Dependent on Job 5

- Each jobset, with the exception of the first jobset, is dependent on the previous jobset

- Each job will execute cawto.exe command- Maximum of 45,000 jobs to be scheduled each working day- NO dependency between Job Suites. All 75 Job suite will run at the same

time- Perform tests on Windows Operating System

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Job Suite & Jobset Structures

JobSet 1

JobSet 1

JobSet 2

JobSet 100

Job Suite JobSet

Job 1 Job 2 Job 3

Job 4

Job 5

Job 6

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Machine Specification

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Agent Breakdown

- JMO – Manager- Total Jobset 7500- Total Jobs 45,000

- Agents- Local Server (Same server as where Manager is running)- 3000 Jobsets- 18,000 Jobs

- Remote Server- 4500 Jobset- 27,000 Jobs

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Tracking File Cleanup

1400 Jobsets

8400 Jobs

Purged in 78 seconds

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Adding Jobsets to Tracking File

Adding Jobsets to Tracking File:

1400 Jobsets - 15 seconds

7500 Jobsets – 77 seconds

First Jobset Last Jobset

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Adding Jobs to Tracking File

First JobLast Job

Adding Jobs to the tracking file

8400 Jobs - 188 seconds

45000 Jobs - 1116 seconds (18 minutes)

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Counts

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Monitor Status

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Classic GUI

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Total Scheduling Time – 8400 Jobs

Last Job

Last Jobset19 mins 43 seconds to complete 8400 jobs including job submission, execution time and dependency delays

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Total Scheduling Time – 45000 Jobs

Start of First Job End of Last

Jobset

161 mins 9 seconds to complete 45000 jobs including job submission, execution time and dependency delays

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Scheduling Overhead

Time lapse between completion of one job to execution of next dependent job

7 seconds

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Scheduling Overhead – Peak Time

Time lapse between completion of one job and execution of the next dependent job

14 seconds

In this test, there can be 75 job suites active. Each Job suite can have 3 jobs active at one time. Maximum number of job completion events that can be generated is 225.

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MCC Displays

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MCC User Interface

- There was a significant delay in MCC “Job Status” display. MCC displays data in small chunks of around 60 jobs but the count varied and took significant time. This suggests it would not be practical to administer 45,000 jobs with MCC UI.

- Classic GUI (caugui tjob) took approx. 20 seconds to display and sort 45,000 jobs – Better Approach!

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Conclusion

- MDB = Ingres

- 45,000 jobs with reasonable degree of dependency can be executed without significant delay.

- However, there will be some delay in administrating these of jobs from some User Interfaces.

- Autoscan time has been significantly improved from previous release