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YARN-370. Fix SchedulerUtils to correctly round up the resource for containers. Contributed by Zhijie Shen.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1442840 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arun Murthy 2013-02-06 04:24:56 +00:00
parent e28edbffe1
commit 38bb4ad738
3 changed files with 27 additions and 1 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -219,6 +219,9 @@ Release 2.0.3-alpha - Unreleased
YARN-372. Move InlineDispatcher from hadoop-yarn-server-resourcemanager to
hadoop-yarn-common (sseth via hitesh)
YARN-370. Fix SchedulerUtils to correctly round up the resource for
containers. (Zhijie Shen via acmurthy)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
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@ -108,7 +108,8 @@ public static void normalizeRequest(
Resource normalized =
Resources.normalize(
resourceCalculator, ask.getCapability(), minimumResource);
ask.setCapability(normalized);
ask.getCapability().setMemory(normalized.getMemory());
ask.getCapability().setVirtualCores(normalized.getVirtualCores());
}
}

22
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerUtils.java
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@ -19,6 +19,7 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
@ -42,23 +43,35 @@ public void testNormalizeRequest() {
// case negative memory
ask.setCapability(Resources.createResource(-1024));
Resource before = ask.getCapability();
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource);
Resource after = ask.getCapability();
assertEquals(minMemory, ask.getCapability().getMemory());
assertTrue(before == after);
// case zero memory
ask.setCapability(Resources.createResource(0));
before = ask.getCapability();
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource);
after = ask.getCapability();
assertEquals(minMemory, ask.getCapability().getMemory());
assertTrue(before == after);
// case memory is a multiple of minMemory
ask.setCapability(Resources.createResource(2 * minMemory));
before = ask.getCapability();
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource);
after = ask.getCapability();
assertEquals(2 * minMemory, ask.getCapability().getMemory());
assertTrue(before == after);
// case memory is not a multiple of minMemory
ask.setCapability(Resources.createResource(minMemory + 10));
before = ask.getCapability();
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource);
after = ask.getCapability();
assertEquals(2 * minMemory, ask.getCapability().getMemory());
assertTrue(before == after);
}
@ -73,24 +86,33 @@ public void testNormalizeRequestWithDominantResourceCalculator() {
// case negative memory/vcores
ask.setCapability(Resources.createResource(-1024, -1));
Resource before = ask.getCapability();
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource);
Resource after = ask.getCapability();
assertEquals(minResource, ask.getCapability());
assertTrue(before == after);
// case zero memory/vcores
ask.setCapability(Resources.createResource(0, 0));
before = ask.getCapability();
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource);
after = ask.getCapability();
assertEquals(minResource, ask.getCapability());
assertEquals(1, ask.getCapability().getVirtualCores());
assertEquals(1024, ask.getCapability().getMemory());
assertTrue(before == after);
// case non-zero memory & zero cores
ask.setCapability(Resources.createResource(1536, 0));
before = ask.getCapability();
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource);
after = ask.getCapability();
assertEquals(Resources.createResource(2048, 1), ask.getCapability());
assertEquals(1, ask.getCapability().getVirtualCores());
assertEquals(2048, ask.getCapability().getMemory());
assertTrue(before == after);
}
}