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HBASE-3278 AssertionError in LoadBalancer 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1042912 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2010-12-07 05:26:39 +00:00
parent 6c2f79d066
commit 21a5df7b4f
3 changed files with 5 additions and 2 deletions
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1
CHANGES.txt
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@ -746,6 +746,7 @@ Release 0.90.0 - Unreleased
HBASE-3309 " Not running balancer because dead regionserver processing" is a lie
HBASE-3314 [shell] 'move' is broken
HBASE-3315 Add debug output for when balancer makes bad balance
HBASE-3278 AssertionError in LoadBalancer
IMPROVEMENTS

3
src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java
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@ -259,12 +259,13 @@ public class LoadBalancer {
for(Map.Entry<HServerInfo, List<HRegionInfo>> server :
serversByLoad.entrySet()) {
int regionCount = server.getKey().getLoad().getNumberOfRegions();
if (regionCount >= min) break;
BalanceInfo balanceInfo = serverBalanceInfo.get(server.getKey());
if(balanceInfo != null) {
regionCount += balanceInfo.getNumRegionsAdded();
}
if(regionCount >= min) {
break;
continue;
}
int numToTake = min - regionCount;
int numTaken = 0;

3
src/test/java/org/apache/hadoop/hbase/master/TestLoadBalancer.java
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@ -110,7 +110,8 @@ public class TestLoadBalancer {
new int [] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 123 },
new int [] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 155 },
new int [] { 0, 0, 144, 1, 1, 1, 1, 1123, 133, 138, 12, 1444 },
new int [] { 0, 0, 144, 1, 0, 4, 1, 1123, 133, 138, 12, 1444 }
new int [] { 0, 0, 144, 1, 0, 4, 1, 1123, 133, 138, 12, 1444 },
new int [] { 1538, 1392, 1561, 1557, 1535, 1553, 1385, 1542, 1619 }
};
int [][] regionsAndServersMocks = new int [][] {