viirya commented on a change in pull request #29744:
URL: https://github.com/apache/spark/pull/29744#discussion_r487592464
##########
File path: core/src/main/java/org/apache/spark/unsafe/map/BytesToBytesMap.java
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@@ -816,6 +816,10 @@ public boolean append(Object kbase, long koff, int klen,
Object vbase, long voff
} catch (SparkOutOfMemoryError oom) {
canGrowArray = false;
}
+ } else if (numKeys >= growthThreshold && longArray.size() / 2 >=
MAX_CAPACITY) {
+ // The map has reached its growth threshold, but is already at
MAX_CAPACITY and cannot
+ // grow. Instead, we prevent the map from accepting any more new
elements.
Review comment:
Okay, thanks!
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