chandrasekhar-188k commented on code in PR #7263:
URL: https://github.com/apache/hbase/pull/7263#discussion_r2317664444
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hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/CacheAwareLoadBalancer.java:
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@@ -207,6 +207,9 @@ protected List<RegionPlan> balanceTable(TableName tableName,
final Map<String, Pair<ServerName, Float>> snapshot = new HashMap<>();
snapshot.putAll(this.regionCacheRatioOnOldServerMap);
List<RegionPlan> plans = super.balanceTable(tableName, loadOfOneTable);
+ if(plans == null || plans.isEmpty()) {
Review Comment:
empty check not required, below sort on empty list is a No-op.
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