wchevreuil commented on code in PR #5232:
URL: https://github.com/apache/hbase/pull/5232#discussion_r1211422837
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java:
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@@ -4155,6 +4155,11 @@ public CompactionState getCompactionState(final
TableName tableName) {
continue;
}
RegionMetrics regionMetrics =
sl.getRegionMetrics().get(regionInfo.getRegionName());
+ if (regionMetrics == null) {
+ LOG.error("Can not get compaction details for the region: "
+ + regionInfo.getRegionNameAsString() + " , it may be not online.");
Review Comment:
Please use parameterised logging.
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