Github user ChengXiangLi commented on a diff in the pull request:
https://github.com/apache/flink/pull/1469#discussion_r50220144
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/operators/util/HashVsSortMiniBenchmark.java
---
@@ -130,11 +130,11 @@ public void testSortBothMerge() {
final UnilateralSortMerger<Tuple2<Integer, String>>
sorter1 = new UnilateralSortMerger<>(
this.memoryManager, this.ioManager,
input1, this.parentTask, this.serializer1,
- this.comparator1.duplicate(),
MEMORY_FOR_SORTER, 128, 0.8f, true);
+ this.comparator1.duplicate(),
(double)MEMORY_FOR_SORTER/MEMORY_SIZE, 128, 0.8f, true);
--- End diff --
If does not cast to double, the result would 0.0 which is not the desired
memory fraction.
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