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From fab...@apache.org
Subject [04/50] [abbrv] hadoop git commit: YARN-6106. Document FairScheduler 'allowPreemptionFrom' queue property. (Yufei Gu via rchiang)
Date Tue, 31 Jan 2017 01:57:16 GMT
YARN-6106.  Document FairScheduler 'allowPreemptionFrom' queue property. (Yufei Gu via rchiang)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/9bab85ca
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/9bab85ca
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/9bab85ca

Branch: refs/heads/HADOOP-13345
Commit: 9bab85cadfdfa0d9071303452f72c0a5d008480a
Parents: 355b907
Author: Ray Chiang <rchiang@apache.org>
Authored: Fri Jan 20 14:04:10 2017 -0800
Committer: Ray Chiang <rchiang@apache.org>
Committed: Fri Jan 20 14:08:25 2017 -0800

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 .../hadoop-yarn-site/src/site/markdown/FairScheduler.md            | 2 ++
 1 file changed, 2 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/9bab85ca/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
index ae4c3ab..5d7b3dc 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
@@ -119,6 +119,8 @@ The allocation file must be in XML format. The format contains five types
of ele
 
     * fairSharePreemptionThreshold: the fair share preemption threshold for the queue. If
the queue waits fairSharePreemptionTimeout without receiving fairSharePreemptionThreshold\*fairShare
resources, it is allowed to preempt containers to take resources from other queues. If not
set, the queue will inherit the value from its parent queue.
 
+    * allowPreemptionFrom: determines whether the scheduler is allowed to preempt resources
from the queue. The default is true. If a queue has this property set to false, this property
will apply recursively to all child queues.
+
 * **User elements**: which represent settings governing the behavior of individual users.
They can contain a single property: maxRunningApps, a limit on the number of running apps
for a particular user.
 
 * **A userMaxAppsDefault element**: which sets the default running app limit for any users
whose limit is not otherwise specified.


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