joshelser commented on a change in pull request #2843:
URL: https://github.com/apache/hbase/pull/2843#discussion_r830669632
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java
##########
@@ -804,4 +806,21 @@ public static String regionNamesToString(final
Collection<byte[]> regions) {
sb.append("]");
return sb.toString();
}
+
+ /**
+ * WEB UI
+ */
+ public synchronized Map<RegionInfo, ServerName> getRegionLocations(TableName
tableName) {
+ Map<RegionInfo, ServerName> tableRegions = new TreeMap<>();
+ for (RegionStateNode regionStateNode :
regionsMap.tailMap(tableName.getName()).values()) {
+ if (!regionStateNode.getTable().equals(tableName)) {
+ break;
+ }
+ if (regionStateNode.toRegionState().isSplitOrMerge()) {
+ continue;
+ }
Review comment:
We previously would see splitting/merged regions for a specific table,
right? The RegionState should be listed in the table of Regions for this HBase
table -- are not showing split/merge regions a big performance impact?
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