JingsongLi commented on a change in pull request #9027:
[FLINK-13161][table-blink-runtime]numBuckets calculate wrong in
BinaryHashBucketArea
URL: https://github.com/apache/flink/pull/9027#discussion_r301867759
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File path:
flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/runtime/hashtable/BinaryHashBucketArea.java
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@@ -203,7 +203,7 @@ private void resize(boolean spillingAllowed) throws
IOException {
int oldNumBuckets = numBuckets;
MemorySegment[] oldOverflowSegments = overflowSegments;
int newNumSegs = oldBuckets.length * 2;
- int newNumBuckets = MathUtils.roundDownToPowerOf2(newNumSegs <<
table.bucketsPerSegmentBits);
Review comment:
`checkState` is just for safety, `setNewBuckets` may be misused in future,
`numBuckets` is power of 2 not mean `buckets.length` is power of 2.
How about just add `checkArgument(MathUtils.isPowerOf2(buckets.length))` in
`setNewBuckets`.
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