Tianying Chang created HBASE-7061:
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Summary: region balance algorithm should do "contiue" instead of
"break" when calculating the underloaded server
Key: HBASE-7061
URL: https://issues.apache.org/jira/browse/HBASE-7061
Project: HBase
Issue Type: Bug
Reporter: Tianying Chang
Assignee: Tianying Chang
I found this issue when investigating HBASE-7060. Basically, I think the
intention of this code below is to find all the underloaded server. By using
break, it will exit earlier, depending on where the non-overloaded server show
up in the list. "break" should be changed to "continue".
Map<ServerName, Integer> underloadedServers = new HashMap<ServerName,
Integer>();
for (Map.Entry<ServerAndLoad, List<HRegionInfo>> server:
serversByLoad.entrySet()) {
int regionCount = server.getKey().getLoad();
if (regionCount >= min) { break; }
underloadedServers.put(server.getKey().getServerName(), min - regionCount);
}
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