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From rchi...@apache.org
Subject hadoop git commit: YARN-6106. Document FairScheduler 'allowPreemptionFrom' queue property. (Yufei Gu via rchiang)
Date Mon, 30 Jan 2017 21:45:29 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2 c9824c5ff -> 9f0b81335

YARN-6106.  Document FairScheduler 'allowPreemptionFrom' queue property. (Yufei Gu via rchiang)

(cherry picked from commit 3f970ac363dc2faf4f54180ee5b64d0c60807097)

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/9f0b8133
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/9f0b8133
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/9f0b8133

Branch: refs/heads/branch-2
Commit: 9f0b813350c61dfb807c893e1b22de1f01ba71bb
Parents: c9824c5
Author: Ray Chiang <rchiang@apache.org>
Authored: Fri Jan 20 14:04:10 2017 -0800
Committer: Ray Chiang <rchiang@apache.org>
Committed: Mon Jan 30 13:42:11 2017 -0800

 .../hadoop-yarn-site/src/site/markdown/FairScheduler.md            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/FairScheduler.md
index 91e7d8d..bcf56cb 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
@@ -117,6 +117,8 @@ 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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