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Administering Platform LSF - SAS

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C H A P T E R<br />

14<br />

Fairshare Scheduling<br />

To configure any kind of fairshare scheduling, you should understand the<br />

following concepts:<br />

◆ User share assignments<br />

◆ Dynamic share priority<br />

◆ Job dispatch order<br />

You can configure fairshare at either host level or queue level. If you require<br />

more control, you can implement hierarchical fairshare. You can also set some<br />

additional restrictions when you submit a job.<br />

To get ideas about how to use fairshare scheduling to do different things,<br />

“Ways to Configure Fairshare” on page 236.<br />

Contents ◆ Basic Concepts<br />

◆<br />

◆<br />

◆<br />

◆<br />

❖ “About Fairshare Scheduling” on page 202<br />

❖ “User Share Assignments” on page 203<br />

❖ “Dynamic User Priority” on page 205<br />

❖ “How Fairshare Affects Job Dispatch Order” on page 207<br />

Host-based Fairshare<br />

❖ “Host Partition Fairshare” on page 208<br />

User-based Fairshare<br />

❖ “Queue-Level User-based Fairshare” on page 210<br />

❖ “Cross-queue Fairshare” on page 211<br />

❖ “Hierarchical Fairshare” on page 215<br />

Queue-based Fairshare<br />

❖ “Queue-based Fairshare” on page 218<br />

❖ “Configuring Slot Allocation per Queue” on page 220<br />

❖ “Viewing Queue-based Fairshare Allocations” on page 222<br />

Advanced Topics<br />

❖ “Using Historical and Committed Run Time” on page 230<br />

❖ “Users Affected by Multiple Fairshare Policies” on page 234<br />

❖ “Ways to Configure Fairshare” on page 236<br />

<strong>Administering</strong> <strong>Platform</strong> <strong>LSF</strong> 201

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