BsoBird commented on code in PR #5934:
URL: https://github.com/apache/hive/pull/5934#discussion_r2188401163
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ql/src/java/org/apache/hadoop/hive/ql/exec/tez/SplitGrouper.java:
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@@ -71,8 +70,8 @@ public class SplitGrouper {
// TODO This needs to be looked at. Map of Map to Map... Made concurrent for
now since split generation
// can happen in parallel.
- private static final Map<Map<Path, PartitionDesc>, Map<Path, PartitionDesc>>
cache =
- new ConcurrentHashMap<>();
+ private final Map<Map<Path, PartitionDesc>, Map<Path, PartitionDesc>> cache =
Review Comment:
@deniskuzZ
Also, I don't quite understand. The SplitGrouper object is released
immediately after use. Is it necessary for us to use GuavaCache for caching?
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