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fix integer value overflow and add test

This commit is contained in:
nishantmonu51 2015-02-03 13:20:40 +05:30 committed by Xavier Léauté
parent b94b24c46e
commit 6da6b9eeda
2 changed files with 39 additions and 5 deletions
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6
server/src/main/java/io/druid/server/coordinator/CostBalancerStrategy.java
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@ -37,9 +37,9 @@ import java.util.concurrent.Executors;
public class CostBalancerStrategy implements BalancerStrategy
{
private static final EmittingLogger log = new EmittingLogger(CostBalancerStrategy.class);
private static final int DAY_IN_MILLIS = 1000 * 60 * 60 * 24;
private static final int SEVEN_DAYS_IN_MILLIS = 7 * DAY_IN_MILLIS;
private static final int THIRTY_DAYS_IN_MILLIS = 30 * DAY_IN_MILLIS;
private static final long DAY_IN_MILLIS = 1000 * 60 * 60 * 24;
private static final long SEVEN_DAYS_IN_MILLIS = 7 * DAY_IN_MILLIS;
private static final long THIRTY_DAYS_IN_MILLIS = 30 * DAY_IN_MILLIS;
private final long referenceTimestamp;
private final int threadCount;

38
server/src/test/java/io/druid/server/coordination/CostBalancerStrategyTest.java
View File

@ -100,10 +100,15 @@ public class CostBalancerStrategyTest
* @return segment
*/
private DataSegment getSegment(int index)
{
return getSegment(index, "DUMMY", day);
}
private DataSegment getSegment(int index, String dataSource, Interval interval)
{
// Not using EasyMock as it hampers the performance of multithreads.
DataSegment segment = new DataSegment(
"DUMMY", day, String.valueOf(index), Maps.<String, Object>newConcurrentMap(),
dataSource, interval, String.valueOf(index), Maps.<String, Object>newConcurrentMap(),
Lists.<String>newArrayList(), Lists.<String>newArrayList(), null, 0, index * 100L
);
return segment;
@ -135,7 +140,8 @@ public class CostBalancerStrategyTest
Assert.assertEquals("Best Server should be BEST_SERVER", "BEST_SERVER", holder.getServer().getName());
}
@Test @Ignore
@Test
@Ignore
public void testBenchmark() throws InterruptedException
{
setupDummyCluster(100, 500);
@ -156,4 +162,32 @@ public class CostBalancerStrategyTest
System.err.println("Latency - Single Threaded (ms): " + latencySingleThread);
System.err.println("Latency - Multi Threaded (ms): " + latencyMultiThread);
}
@Test
public void testComputeJointSegmentCost()
{
DateTime referenceTime = new DateTime("2014-01-01T00:00:00");
CostBalancerStrategy strategy = new CostBalancerStrategy(referenceTime, 4);
double segmentCost = strategy.computeJointSegmentCosts(
getSegment(
100,
"DUMMY",
new Interval(
referenceTime,
referenceTime.plusHours(1)
)
),
getSegment(
101,
"DUMMY",
new Interval(
referenceTime.minusDays(2),
referenceTime.minusDays(2).plusHours(1)
)
)
);
Assert.assertEquals(138028.62811791385d, segmentCost, 0);
}
}