CodingCat commented on code in PR #2358:
URL:
https://github.com/apache/incubator-celeborn/pull/2358#discussion_r1520864848
##########
client-spark/common/src/main/java/org/apache/spark/shuffle/celeborn/SortBasedPusher.java:
##########
@@ -44,6 +44,65 @@
public class SortBasedPusher extends MemoryConsumer {
+ class MemoryThresholdManager {
+
+ private long maxMemoryThresholdInBytes;
+ private double smallPushTolerateFactor;
+
+ private long sendBufferSizeInBytes;
+
+ MemoryThresholdManager(
+ int numPartitions, long sendBufferSizeInBytes, double
smallPushTolerateFactor) {
+ this.maxMemoryThresholdInBytes = numPartitions * sendBufferSizeInBytes;
+ this.smallPushTolerateFactor = smallPushTolerateFactor;
+ this.sendBufferSizeInBytes = sendBufferSizeInBytes;
+ }
+
+ private boolean shouldGrow() {
+ boolean enoughSpace = pushSortMemoryThreshold * 2 <=
maxMemoryThresholdInBytes;
+ double expectedPushSize = Long.MAX_VALUE;
+ if (this.expectedPushedCount != 0) {
+ expectedPushSize = this.expectedPushedBytes * 1.0 /
this.expectedPushedCount;
+ }
+ boolean tooManyPushed =
+ pushedMemorySizeInBytes * 1.0 / pushedCount * (1 +
this.smallPushTolerateFactor)
+ < expectedPushSize;
+ return enoughSpace && tooManyPushed;
+ }
+
+ public void growThresholdIfNeeded() {
+ if (shouldGrow()) {
+ long oldThreshold = pushSortMemoryThreshold;
+ pushSortMemoryThreshold = pushSortMemoryThreshold * 2;
+ logger.info(
Review Comment:
updated
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