Jackie-Jiang commented on a change in pull request #8102:
URL: https://github.com/apache/pinot/pull/8102#discussion_r796913913
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/data/manager/offline/DimensionTableDataManager.java
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@@ -75,16 +72,10 @@ public static DimensionTableDataManager
getInstanceByTableName(String tableNameW
return INSTANCES.get(tableNameWithType);
}
- /**
- * Instance properties/methods
- */
- private final ReadWriteLock _rwl = new ReentrantReadWriteLock();
- private final Lock _lookupTableReadLock = _rwl.readLock();
- private final Lock _lookupTableWriteLock = _rwl.writeLock();
-
- // _lookupTable is a HashMap used for storing/serving records for a table
keyed by table PK
- @GuardedBy("_rwl")
- private final Map<PrimaryKey, GenericRow> _lookupTable = new HashMap<>();
+ @SuppressWarnings("rawtypes")
+ private static final AtomicReferenceFieldUpdater<DimensionTableDataManager,
Map> UPDATER =
Review comment:
Since we have `_lookupTable` as volatile, do we still need this updater
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