SourabhBadhya commented on code in PR #4032:
URL: https://github.com/apache/hive/pull/4032#discussion_r1119559393
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ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/MetaStoreCompactorThread.java:
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@@ -57,15 +50,15 @@ public class MetaStoreCompactorThread extends
CompactorThread implements MetaSto
protected TxnStore txnHandler;
protected ScheduledExecutorService cycleUpdaterExecutorService;
-
- private Optional<Cache<String, TBase>> metaCache = Optional.empty();
+ protected CacheContainer cacheContainer;
@Override
public void init(AtomicBoolean stop) throws Exception {
super.init(stop);
// Get our own instance of the transaction handler
txnHandler = TxnUtils.getTxnStore(conf);
+ cacheContainer = new CacheContainer();
Review Comment:
As discussed, the cached instances are invalidated both on Initiator and
Cleaner side. There might also be staleness of table object if properties of
the table are changed in the time between Initiator & Cleaner.
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