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Administering Platform LSF - SAS

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Dispatch Windows<br />

Dispatch Windows<br />

Queue-level<br />

Host-level<br />

Queues can be configured with a dispatch window, which specifies one or<br />

more time periods during which jobs are accepted. Hosts can be configured<br />

with a dispatch window, which specifies one or more time periods during<br />

which jobs are allowed to start.<br />

Once a dispatch window is configured, <strong>LSF</strong> cannot dispatch jobs outside of the<br />

window. By default, no dispatch windows are configured (the windows are<br />

always open).<br />

Dispatch windows have no effect on jobs that have already been dispatched<br />

to the execution host; jobs are allowed to run outside the dispatch windows,<br />

as long as the queue run window is open.<br />

Each queue can have a dispatch window. A queue can only dispatch jobs<br />

when the window is open.<br />

You can submit jobs to a queue at any time; if the queue dispatch window is<br />

closed, the jobs remain pending in the queue until the dispatch window opens<br />

again.<br />

Each host can have dispatch windows. A host is not eligible to accept jobs<br />

when its dispatch windows are closed.<br />

Configuring dispatch windows<br />

Configuring host<br />

dispatch windows<br />

Configuring<br />

queue dispatch<br />

windows<br />

Dispatch windows can be defined for both queues and hosts. The default is no<br />

restriction, or always open.<br />

To configure dispatch windows for a host, set DISPATCH_WINDOW in<br />

lsb.hosts and specify one or more time windows. If no host dispatch<br />

window is configured, the window is always open.<br />

To configure dispatch windows for queues, set DISPATCH_WINDOW in<br />

lsb.queues and specify one or more time windows. If no queue dispatch<br />

window is configured, the window is always open.<br />

Displaying dispatch windows<br />

Displaying queue<br />

dispatch windows<br />

Displaying host<br />

dispatch windows<br />

Use bqueues -l to display queue dispatch windows.<br />

Use bhosts -l to display host dispatch windows.<br />

288<br />

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

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