taklwu commented on code in PR #7474:
URL: https://github.com/apache/hbase/pull/7474#discussion_r2612097480
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java:
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@@ -3116,16 +3116,9 @@ public ClusterMetrics
getClusterMetricsWithoutCoprocessor(EnumSet<Option> option
if (isActiveMaster() && isInitialized() && assignmentManager !=
null) {
try {
Map<TableName, RegionStatesCount> tableRegionStatesCountMap =
new HashMap<>();
- Map<String, TableDescriptor> tableDescriptorMap =
getTableDescriptors().getAll();
- for (TableDescriptor tableDescriptor :
tableDescriptorMap.values()) {
+ List<TableDescriptor> tableDescriptors =
listTableDescriptors(null, null, null, true);
+ for (TableDescriptor tableDescriptor : tableDescriptors) {
Review Comment:
you probably clean my concern that we're comparing the meta state in
`tableStateManager` vs the table descriptor found on the filesystem.
just again the unit test is doing slightly different, it called
`master.getTableDescriptors().update(foreignTableDescriptor, true)` to update
the `cache` of the `tableDescriptors`/`FSTableDescriptors` (not the
TableDescriptors on actual file system) with the additional tables, and then
compare with the `tableStateManager` when `TABLE_TO_REGIONS_COUNT` hook is
being called. I should have used debug mode to clear the confusion that the
`FSTableDescriptors.getAll()` in the unit test are reading from cache or
filesystem.
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