zratkai commented on code in PR #5188:
URL: https://github.com/apache/hive/pull/5188#discussion_r1559244336
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ql/src/java/org/apache/hadoop/hive/ql/io/IOContext.java:
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@@ -51,7 +51,7 @@ public class IOContext {
*/
private RecordIdentifier ri;
private boolean isDeletedRecord;
- private PositionDeleteInfo pdi;
+ private ThreadLocal<PositionDeleteInfo> pdi = new ThreadLocal<>();
Review Comment:
Should not be the whole IOContext class immutable? It contains many fields
which can be modified asynchronously and it can cause concurrency issues.
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