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https://issues.apache.org/jira/browse/YARN-7535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wilfred Spiegelenburg reassigned YARN-7535:
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Assignee: Wilfred Spiegelenburg (was: YunFan Zhou)
> We should display origin value of demand in fair scheduler page
> ---------------------------------------------------------------
>
> Key: YARN-7535
> URL: https://issues.apache.org/jira/browse/YARN-7535
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler
> Reporter: YunFan Zhou
> Assignee: Wilfred Spiegelenburg
>
> The value of *demand* of leaf queue that we now view on the fair scheduler
> page shows only the value of *maxResources* when the demand value is greater
> than *maxResources*. It doesn't reflect the real situation. Most of the time,
> when we expand the queue, we often rely on seeing the current demand real
> value.
> {code:java}
> private void updateDemandForApp(FSAppAttempt sched, Resource maxRes) {
> sched.updateDemand();
> Resource toAdd = sched.getDemand();
> if (LOG.isDebugEnabled()) {
> LOG.debug("Counting resource from " + sched.getName() + " " + toAdd
> + "; Total resource consumption for " + getName() + " now "
> + demand);
> }
> demand = Resources.add(demand, toAdd);
> demand = Resources.componentwiseMin(demand, maxRes);
> }
> {code}
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