maropu commented on a change in pull request #27246:
URL: https://github.com/apache/spark/pull/27246#discussion_r441899557
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File path:
core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeSorterSpillReader.java
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@@ -37,6 +37,10 @@
*/
public final class UnsafeSorterSpillReader extends UnsafeSorterIterator
implements Closeable {
public static final int MAX_BUFFER_SIZE_BYTES = 16777216; // 16 mb
+ public static final int DEFAULT_BUFFER_SIZE_RATIO = 1024;
+ private final int bufferMultiplicationRatio = SparkEnv.get() == null ?
DEFAULT_BUFFER_SIZE_RATIO:
Review comment:
`SparkEnv.get()` can be null when using `UnsafeSorterSpillReader `?
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