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HDFS-3258. Test for HADOOP-8144 (pseudoSortByDistance in NetworkTopology for first rack local node). Contributed by Junping Du

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1330613 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-04-26 00:47:16 +00:00
parent e7583d816a
commit 2b254dad2e
2 changed files with 14 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -403,6 +403,9 @@ Release 2.0.0 - UNRELEASED
HDFS-3169. TestFsck should test multiple -move operations in a row.
(Colin Patrick McCabe via eli)
HDFS-3258. Test for HADOOP-8144 (pseudoSortByDistance in
NetworkTopology for first rack local node). (Junping Du via eli)
OPTIMIZATIONS
HDFS-3024. Improve performance of stringification in addStoredBlock (todd)

11
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/net/TestNetworkTopology.java
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@ -123,6 +123,17 @@ public void testPseudoSortByDistance() throws Exception {
assertTrue(testNodes[0] == dataNodes[1]);
assertTrue(testNodes[1] == dataNodes[3]);
assertTrue(testNodes[2] == dataNodes[5]);
// array contains local rack node which happens to be in position 0
testNodes[0] = dataNodes[1];
testNodes[1] = dataNodes[5];
testNodes[2] = dataNodes[3];
cluster.pseudoSortByDistance(dataNodes[0], testNodes );
// peudoSortByDistance does not take the "data center" layer into consideration
// and it doesn't sort by getDistance, so 1, 5, 3 is also valid here
assertTrue(testNodes[0] == dataNodes[1]);
assertTrue(testNodes[1] == dataNodes[5]);
assertTrue(testNodes[2] == dataNodes[3]);
}
public void testRemove() throws Exception {