YARN-6610. [YARN-3926] DominantResourceCalculator#getResourceAsValue dominant param is updated to handle multiple resources. Contributed by Daniel Templeton.

This commit is contained in:
Sunil G 2017-08-17 18:32:53 +05:30 committed by Wangda Tan
parent 6746f8cadb
commit a0030c8c6f
2 changed files with 430 additions and 73 deletions

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@ -17,12 +17,18 @@
*/
package org.apache.hadoop.yarn.util.resource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceInformation;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.util.UnitsConversionUtil;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Arrays;
/**
* A {@link ResourceCalculator} which uses the concept of
@ -48,6 +54,7 @@ import org.apache.hadoop.yarn.util.UnitsConversionUtil;
@Private
@Unstable
public class DominantResourceCalculator extends ResourceCalculator {
static final Log LOG = LogFactory.getLog(DominantResourceCalculator.class);
public DominantResourceCalculator() {
}
@ -92,7 +99,6 @@ public class DominantResourceCalculator extends ResourceCalculator {
@Override
public int compare(Resource clusterResource, Resource lhs, Resource rhs,
boolean singleType) {
if (lhs.equals(rhs)) {
return 0;
}
@ -101,55 +107,232 @@ public class DominantResourceCalculator extends ResourceCalculator {
return this.compare(lhs, rhs);
}
float l = getResourceAsValue(clusterResource, lhs, true);
float r = getResourceAsValue(clusterResource, rhs, true);
// We have to calculate the shares for all resource types for both
// resources and then look for which resource has the biggest
// share overall.
ResourceInformation[] clusterRes = clusterResource.getResources();
// If array creation shows up as a time sink, these arrays could be cached
// because they're always the same length.
double[] lhsShares = new double[clusterRes.length];
double[] rhsShares = new double[clusterRes.length];
double diff;
if (l < r) {
return -1;
} else if (l > r) {
return 1;
} else if (!singleType) {
l = getResourceAsValue(clusterResource, lhs, false);
r = getResourceAsValue(clusterResource, rhs, false);
try {
if (singleType) {
double[] max = new double[2];
if (l < r) {
return -1;
} else if (l > r) {
return 1;
calculateShares(clusterRes, lhs, rhs, lhsShares, rhsShares, max);
diff = max[0] - max[1];
} else if (clusterRes.length == 2) {
// Special case to handle the common scenario of only CPU and memory
// so the we can optimize for performance
diff = calculateSharesForMandatoryResources(clusterRes, lhs, rhs,
lhsShares, rhsShares);
} else {
calculateShares(clusterRes, lhs, rhs, lhsShares, rhsShares);
Arrays.sort(lhsShares);
Arrays.sort(rhsShares);
diff = compareShares(lhsShares, rhsShares);
}
} catch (ArrayIndexOutOfBoundsException ex) {
StringWriter out = new StringWriter(); // No need to close a StringWriter
ex.printStackTrace(new PrintWriter(out));
LOG.error("A problem was encountered while calculating resource "
+ "availability that should not occur under normal circumstances. "
+ "Please report this error to the Hadoop community by opening a "
+ "JIRA ticket at http://issues.apache.org/jira and including the "
+ "following information:\n* Exception encountered: " + out + "* "
+ "Cluster resources: " + Arrays.toString(clusterRes) + "\n* "
+ "LHS resource: " + Arrays.toString(lhs.getResources()) + "\n* "
+ "RHS resource: " + Arrays.toString(rhs.getResources()));
LOG.error("The resource manager is in an inconsistent state. It is safe "
+ "for the resource manager to be restarted as the error encountered "
+ "should be transitive. If high availability is enabled, failing "
+ "over to a standby resource manager is also safe.");
throw new YarnRuntimeException("A problem was encountered while "
+ "calculating resource availability that should not occur under "
+ "normal circumstances. Please see the log for more information.",
ex);
}
return 0;
return (int) Math.signum(diff);
}
/**
* Use 'dominant' for now since we only have 2 resources - gives us a slight
* performance boost.
* <p></p>
* Once we add more resources, we'll need a more complicated (and slightly
* less performant algorithm).
* Calculate the shares for {@code first} and {@code second} according to
* {@code clusterRes}, and store the results in {@code firstShares} and
* {@code secondShares}, respectively. All parameters must be non-null.
* @param clusterRes the array of ResourceInformation instances that
* represents the cluster's maximum resources
* @param first the first resource to compare
* @param second the second resource to compare
* @param firstShares an array to store the shares for the first resource
* @param secondShares an array to store the shares for the second resource
* @return -1.0, 0.0, or 1.0, depending on whether the max share of the first
* resource is less than, equal to, or greater than the max share of the
* second resource, respectively
* @throws NullPointerException if any parameter is null
*/
protected float getResourceAsValue(Resource clusterResource,
Resource resource, boolean dominant) {
private void calculateShares(ResourceInformation[] clusterRes, Resource first,
Resource second, double[] firstShares, double[] secondShares) {
ResourceInformation[] firstRes = first.getResources();
ResourceInformation[] secondRes = second.getResources();
float min = Float.MAX_VALUE;
float max = 0.0f;
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation clusterResourceResourceInformation = clusterResource
.getResourceInformation(i);
ResourceInformation resourceInformation = resource
.getResourceInformation(i);
long resourceValue = UnitsConversionUtil.convert(
resourceInformation.getUnits(),
clusterResourceResourceInformation.getUnits(),
resourceInformation.getValue());
float tmp = (float) resourceValue
/ (float) clusterResourceResourceInformation.getValue();
min = min < tmp ? min : tmp;
max = max > tmp ? max : tmp;
for (int i = 0; i < clusterRes.length; i++) {
firstShares[i] = calculateShare(clusterRes[i], firstRes[i]);
secondShares[i] = calculateShare(clusterRes[i], secondRes[i]);
}
return (dominant) ? max : min;
}
/**
* Calculate the shares for {@code first} and {@code second} according to
* {@code clusterRes}, and store the results in {@code firstShares} and
* {@code secondShares}, respectively. All parameters must be non-null.
* This method assumes that the length of {@code clusterRes} is exactly 2 and
* makes performance optimizations based on that assumption.
* @param clusterRes the array of ResourceInformation instances that
* represents the cluster's maximum resources
* @param first the first resource to compare
* @param second the second resource to compare
* @param firstShares an array to store the shares for the first resource
* @param secondShares an array to store the shares for the second resource
* @return -1.0, 0.0, or 1.0, depending on whether the max share of the first
* resource is less than, equal to, or greater than the max share of the
* second resource, respectively
* @throws NullPointerException if any parameter is null
*/
private int calculateSharesForMandatoryResources(
ResourceInformation[] clusterRes, Resource first, Resource second,
double[] firstShares, double[] secondShares) {
ResourceInformation[] firstRes = first.getResources();
ResourceInformation[] secondRes = second.getResources();
int firstDom = 0;
int secondDom = 0;
int firstSub = 0;
int secondSub = 0;
for (int i = 0; i < clusterRes.length; i++) {
firstShares[i] = calculateShare(clusterRes[i], firstRes[i]);
secondShares[i] = calculateShare(clusterRes[i], secondRes[i]);
if (firstShares[i] > firstShares[firstDom]) {
firstDom = i;
}
if (firstShares[i] < firstShares[firstSub]) {
firstSub = i;
}
if (secondShares[i] > secondShares[secondDom]) {
secondDom = i;
}
if (secondShares[i] < secondShares[secondSub]) {
secondSub = i;
}
}
if (firstShares[firstDom] > secondShares[secondDom]) {
return 1;
} else if (firstShares[firstDom] < secondShares[secondDom]) {
return -1;
} else if (firstShares[firstSub] > secondShares[secondSub]) {
return 1;
} else if (firstShares[firstSub] < secondShares[secondSub]) {
return -1;
} else {
return 0;
}
}
/**
* Calculate the shares for {@code first} and {@code second} according to
* {@code clusterRes}, and store the results in {@code firstShares} and
* {@code secondShares}, respectively. {@code max} will be populated with
* the max shares from {@code firstShare} and {@code secondShare} in the
* first and second indices, respectively. All parameters must be non-null,
* and {@code max} must have a length of at least 2.
* @param clusterRes the array of ResourceInformation instances that
* represents the cluster's maximum resources
* @param first the first resource to compare
* @param second the second resource to compare
* @param firstShares an array to store the shares for the first resource
* @param secondShares an array to store the shares for the second resource
* @param max an array to store the max shares of the first and second
* resources
* @return -1.0, 0.0, or 1.0, depending on whether the max share of the first
* resource is less than, equal to, or greater than the max share of the
* second resource, respectively
* @throws NullPointerException if any parameter is null
* @throws ArrayIndexOutOfBoundsException if the length of {@code max} is
* less than 2
*/
private void calculateShares(ResourceInformation[] clusterRes, Resource first,
Resource second, double[] firstShares, double[] secondShares,
double[] max) {
ResourceInformation[] firstRes = first.getResources();
ResourceInformation[] secondRes = second.getResources();
max[0] = 0.0;
max[1] = 0.0;
for (int i = 0; i < clusterRes.length; i++) {
firstShares[i] = calculateShare(clusterRes[i], firstRes[i]);
secondShares[i] = calculateShare(clusterRes[i], secondRes[i]);
if (firstShares[i] > max[0]) {
max[0] = firstShares[i];
}
if (secondShares[i] > max[1]) {
max[1] = secondShares[i];
}
}
}
/**
* Calculate the share for a resource type.
* @param clusterRes the resource type for the cluster maximum
* @param res the resource type for which to calculate the share
* @return the share
*/
private double calculateShare(ResourceInformation clusterRes,
ResourceInformation res) {
// Convert the resources' units into the cluster resource's units
long value = UnitsConversionUtil.convert(res.getUnits(),
clusterRes.getUnits(), res.getValue());
return (double) value / clusterRes.getValue();
}
/**
* Compare the two shares arrays by comparing the largest elements, then the
* next largest if the previous were equal, etc. The share arrays must be
* sorted in ascending order.
* @param lhsShares the first share array to compare
* @param rhsShares the second share array to compare
* @return a number that is less than 0 if the first array is less than the
* second, equal to 0 if the arrays are equal, and greater than 0 if the
* first array is greater than the second
*/
private double compareShares(double[] lhsShares, double[] rhsShares) {
double diff = 0.0;
// lhsShares and rhsShares must necessarily have the same length, because
// everyone uses the same master resource list.
for (int i = lhsShares.length - 1; i >= 0; i--) {
diff = lhsShares[i] - rhsShares[i];
if (diff != 0.0) {
break;
}
}
return diff;
}
@Override
@ -175,9 +358,19 @@ public class DominantResourceCalculator extends ResourceCalculator {
@Override
public float divide(Resource clusterResource,
Resource numerator, Resource denominator) {
return
getResourceAsValue(clusterResource, numerator, true) /
getResourceAsValue(clusterResource, denominator, true);
ResourceInformation[] clusterRes = clusterResource.getResources();
// We have to provide the calculateShares() method with somewhere to store
// the shares. We don't actually need these shares afterwards.
double[] numeratorShares = new double[clusterRes.length];
double[] denominatorShares = new double[clusterRes.length];
// We also have to provide a place for calculateShares() to store the max
// shares so that we can use them.
double[] max = new double[2];
calculateShares(clusterRes, numerator, denominator, numeratorShares,
denominatorShares, max);
return (float) (max[0] / max[1]);
}
@Override

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@ -21,15 +21,21 @@ package org.apache.hadoop.yarn.util.resource;
import java.util.Arrays;
import java.util.Collection;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.Resource;
import org.junit.Assert;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(Parameterized.class)
public class TestResourceCalculator {
private ResourceCalculator resourceCalculator;
private final ResourceCalculator resourceCalculator;
@Parameterized.Parameters
public static Collection<ResourceCalculator[]> getParameters() {
@ -38,6 +44,15 @@ public class TestResourceCalculator {
{ new DominantResourceCalculator() } });
}
@BeforeClass
public static void setup() {
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RESOURCE_TYPES, "test");
ResourceUtils.resetResourceTypes(conf);
ResourceUtils.getResourceTypes();
}
public TestResourceCalculator(ResourceCalculator rs) {
this.resourceCalculator = rs;
}
@ -47,32 +62,181 @@ public class TestResourceCalculator {
Resource cluster = Resource.newInstance(1024, 1);
if (resourceCalculator instanceof DefaultResourceCalculator) {
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(2, 1)));
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(2, 2)));
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(1, 2)));
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(1, 1)));
Assert.assertFalse(resourceCalculator.fitsIn(cluster,
assertFalse(resourceCalculator.fitsIn(cluster,
Resource.newInstance(2, 1), Resource.newInstance(1, 2)));
} else if (resourceCalculator instanceof DominantResourceCalculator) {
Assert.assertFalse(resourceCalculator.fitsIn(cluster,
assertFalse(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(2, 1)));
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(2, 2)));
Assert.assertTrue(resourceCalculator.fitsIn(cluster,
assertTrue(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(1, 2)));
Assert.assertFalse(resourceCalculator.fitsIn(cluster,
assertFalse(resourceCalculator.fitsIn(cluster,
Resource.newInstance(1, 2), Resource.newInstance(1, 1)));
Assert.assertFalse(resourceCalculator.fitsIn(cluster,
assertFalse(resourceCalculator.fitsIn(cluster,
Resource.newInstance(2, 1), Resource.newInstance(1, 2)));
}
}
private Resource newResource(long memory, int cpu, int test) {
Resource res = Resource.newInstance(memory, cpu);
res.setResourceValue("test", test);
return res;
}
/**
* Test that the compare() method returns the expected result (0, -1, or 1).
* If the expected result is not 0, this method will also test the resources
* in the opposite order and check for the negative of the expected result.
*
* @param cluster the cluster resource
* @param res1 the LHS resource
* @param res2 the RHS resource
* @param expected the expected result
*/
private void assertComparison(Resource cluster, Resource res1, Resource res2,
int expected) {
int actual = resourceCalculator.compare(cluster, res1, res2);
assertEquals(String.format("Resource comparison did not give the expected "
+ "result for %s v/s %s", res1.toString(), res2.toString()),
expected, actual);
if (expected != 0) {
// Try again with args in the opposite order and the negative of the
// expected result.
actual = resourceCalculator.compare(cluster, res2, res1);
assertEquals(String.format("Resource comparison did not give the "
+ "expected result for %s v/s %s", res2.toString(), res1.toString()),
expected * -1, actual);
}
}
@Test
public void testCompare2() {
// Keep cluster resources even so that the numbers are easy to understand
Resource cluster = Resource.newInstance(4, 4);
assertComparison(cluster, Resource.newInstance(1, 1),
Resource.newInstance(1, 1), 0);
assertComparison(cluster, Resource.newInstance(0, 0),
Resource.newInstance(0, 0), 0);
assertComparison(cluster, Resource.newInstance(2, 2),
Resource.newInstance(1, 1), 1);
assertComparison(cluster, Resource.newInstance(2, 2),
Resource.newInstance(0, 0), 1);
if (resourceCalculator instanceof DefaultResourceCalculator) {
testCompareDefault2(cluster);
} else if (resourceCalculator instanceof DominantResourceCalculator) {
testCompareDominant2(cluster);
}
}
@Test
public void testCompare() {
// Keep cluster resources even so that the numbers are easy to understand
Resource cluster = newResource(4L, 4, 4);
assertComparison(cluster, newResource(1, 1, 1), newResource(1, 1, 1), 0);
assertComparison(cluster, newResource(0, 0, 0), newResource(0, 0, 0), 0);
assertComparison(cluster, newResource(2, 2, 2), newResource(1, 1, 1), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(0, 0, 0), 1);
if (resourceCalculator instanceof DefaultResourceCalculator) {
testCompareDefault(cluster);
} else if (resourceCalculator instanceof DominantResourceCalculator) {
testCompareDominant(cluster);
}
}
private void testCompareDefault2(Resource cluster) {
assertComparison(cluster, Resource.newInstance(1, 1),
Resource.newInstance(1, 1), 0);
assertComparison(cluster, Resource.newInstance(1, 2),
Resource.newInstance(1, 1), 0);
assertComparison(cluster, Resource.newInstance(1, 1),
Resource.newInstance(1, 0), 0);
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(1, 1), 1);
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(1, 2), 1);
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(1, 0), 1);
}
private void testCompareDominant2(Resource cluster) {
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(2, 1), 0);
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(1, 2), 0);
assertComparison(cluster, Resource.newInstance(2, 1),
Resource.newInstance(1, 1), 1);
assertComparison(cluster, Resource.newInstance(2, 2),
Resource.newInstance(2, 1), 1);
assertComparison(cluster, Resource.newInstance(2, 2),
Resource.newInstance(1, 2), 1);
assertComparison(cluster, Resource.newInstance(3, 1),
Resource.newInstance(3, 0), 1);
}
private void testCompareDefault(Resource cluster) {
assertComparison(cluster, newResource(1, 1, 2), newResource(1, 1, 1), 0);
assertComparison(cluster, newResource(1, 2, 1), newResource(1, 1, 1), 0);
assertComparison(cluster, newResource(1, 2, 2), newResource(1, 1, 1), 0);
assertComparison(cluster, newResource(1, 2, 2), newResource(1, 0, 0), 0);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 1, 1), 1);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 2, 1), 1);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 1, 2), 1);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 2, 2), 1);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 0, 0), 1);
}
private void testCompareDominant(Resource cluster) {
assertComparison(cluster, newResource(2, 1, 1), newResource(2, 1, 1), 0);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 2, 1), 0);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 1, 2), 0);
assertComparison(cluster, newResource(2, 1, 0), newResource(0, 1, 2), 0);
assertComparison(cluster, newResource(2, 2, 1), newResource(1, 2, 2), 0);
assertComparison(cluster, newResource(2, 2, 1), newResource(2, 1, 2), 0);
assertComparison(cluster, newResource(2, 2, 1), newResource(2, 2, 1), 0);
assertComparison(cluster, newResource(2, 2, 0), newResource(2, 0, 2), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(3, 2, 1), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(3, 1, 2), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(1, 2, 3), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(1, 3, 2), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(2, 1, 3), 0);
assertComparison(cluster, newResource(3, 2, 1), newResource(2, 3, 1), 0);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 1, 1), 1);
assertComparison(cluster, newResource(2, 1, 1), newResource(1, 1, 0), 1);
assertComparison(cluster, newResource(2, 2, 1), newResource(2, 1, 1), 1);
assertComparison(cluster, newResource(2, 2, 1), newResource(1, 2, 1), 1);
assertComparison(cluster, newResource(2, 2, 1), newResource(1, 1, 2), 1);
assertComparison(cluster, newResource(2, 2, 1), newResource(0, 2, 2), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(2, 1, 1), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(1, 2, 1), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(1, 1, 2), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(2, 2, 1), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(2, 1, 2), 1);
assertComparison(cluster, newResource(2, 2, 2), newResource(1, 2, 2), 1);
assertComparison(cluster, newResource(3, 2, 1), newResource(2, 2, 2), 1);
assertComparison(cluster, newResource(3, 1, 1), newResource(2, 2, 2), 1);
assertComparison(cluster, newResource(3, 1, 1), newResource(3, 1, 0), 1);
assertComparison(cluster, newResource(3, 1, 1), newResource(3, 0, 0), 1);
}
@Test(timeout = 10000)
public void testResourceCalculatorCompareMethod() {
public void testCompareWithEmptyCluster() {
Resource clusterResource = Resource.newInstance(0, 0);
// For lhs == rhs
@ -126,27 +290,27 @@ public class TestResourceCalculator {
boolean greaterThan, boolean greaterThanOrEqual, Resource max,
Resource min) {
Assert.assertEquals("Less Than operation is wrongly calculated.", lessThan,
assertEquals("Less Than operation is wrongly calculated.", lessThan,
Resources.lessThan(resourceCalculator, clusterResource, lhs, rhs));
Assert.assertEquals(
assertEquals(
"Less Than Or Equal To operation is wrongly calculated.",
lessThanOrEqual, Resources.lessThanOrEqual(resourceCalculator,
clusterResource, lhs, rhs));
Assert.assertEquals("Greater Than operation is wrongly calculated.",
assertEquals("Greater Than operation is wrongly calculated.",
greaterThan,
Resources.greaterThan(resourceCalculator, clusterResource, lhs, rhs));
Assert.assertEquals(
assertEquals(
"Greater Than Or Equal To operation is wrongly calculated.",
greaterThanOrEqual, Resources.greaterThanOrEqual(resourceCalculator,
clusterResource, lhs, rhs));
Assert.assertEquals("Max(value) Operation wrongly calculated.", max,
assertEquals("Max(value) Operation wrongly calculated.", max,
Resources.max(resourceCalculator, clusterResource, lhs, rhs));
Assert.assertEquals("Min(value) operation is wrongly calculated.", min,
assertEquals("Min(value) operation is wrongly calculated.", min,
Resources.min(resourceCalculator, clusterResource, lhs, rhs));
}
@ -164,13 +328,13 @@ public class TestResourceCalculator {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
assertEquals(2 * 1024, result.getMemorySize());
} else if (resourceCalculator instanceof DominantResourceCalculator) {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
Assert.assertEquals(4, result.getVirtualCores());
assertEquals(2 * 1024, result.getMemorySize());
assertEquals(4, result.getVirtualCores());
}
// if resources asked are less than minimum resource, then normalize it to
@ -183,13 +347,13 @@ public class TestResourceCalculator {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
assertEquals(2 * 1024, result.getMemorySize());
} else if (resourceCalculator instanceof DominantResourceCalculator) {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
Assert.assertEquals(2, result.getVirtualCores());
assertEquals(2 * 1024, result.getMemorySize());
assertEquals(2, result.getVirtualCores());
}
// if resources asked are larger than maximum resource, then normalize it to
@ -202,13 +366,13 @@ public class TestResourceCalculator {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(8 * 1024, result.getMemorySize());
assertEquals(8 * 1024, result.getMemorySize());
} else if (resourceCalculator instanceof DominantResourceCalculator) {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(8 * 1024, result.getMemorySize());
Assert.assertEquals(8, result.getVirtualCores());
assertEquals(8 * 1024, result.getMemorySize());
assertEquals(8, result.getVirtualCores());
}
// if increment is 0, use minimum resource as the increment resource.
@ -220,13 +384,13 @@ public class TestResourceCalculator {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
assertEquals(2 * 1024, result.getMemorySize());
} else if (resourceCalculator instanceof DominantResourceCalculator) {
Resource result = Resources.normalize(resourceCalculator,
ask, min, max, increment);
Assert.assertEquals(2 * 1024, result.getMemorySize());
Assert.assertEquals(2, result.getVirtualCores());
assertEquals(2 * 1024, result.getMemorySize());
assertEquals(2, result.getVirtualCores());
}
}
}