WangGuangxin commented on a change in pull request #28780:
URL: https://github.com/apache/spark/pull/28780#discussion_r438076494
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File path:
core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java
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@@ -104,11 +104,13 @@ public static UnsafeExternalSorter
createWithExistingInMemorySorter(
int initialSize,
long pageSizeBytes,
int numElementsForSpillThreshold,
- UnsafeInMemorySorter inMemorySorter) throws IOException {
+ UnsafeInMemorySorter inMemorySorter,
+ long existingMemoryConsumption) throws IOException {
UnsafeExternalSorter sorter = new UnsafeExternalSorter(taskMemoryManager,
blockManager,
serializerManager, taskContext, recordComparatorSupplier,
prefixComparator, initialSize,
pageSizeBytes, numElementsForSpillThreshold, inMemorySorter, false /*
ignored */);
sorter.spill(Long.MAX_VALUE, sorter);
+ taskContext.taskMetrics().incMemoryBytesSpilled(existingMemoryConsumption);
Review comment:
I have no strong preference on this. One benefits is that others who
calls `createWithExistingInMemorySorter` will not forget to update memory
spilled any more. (though only `UnsafeKVExternalSorter` used this function
currently)
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