lidavidm commented on code in PR #43903:
URL: https://github.com/apache/arrow/pull/43903#discussion_r1741383204
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java/memory/memory-core/src/main/java/org/apache/arrow/memory/LowCostIdentityHashMap.java:
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@@ -38,18 +38,18 @@ public class LowCostIdentityHashMap<K, V extends
ValueWithKeyIncluded<K>> {
private @Nullable Object[] elementData; // elementData[index] = null;
/* Actual number of values. */
- private int size;
Review Comment:
We can leave it.
This is _not_ about replacing int with long. We only want to replace things
where the `int` is being used as an address or offset.
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