zuston commented on code in PR #254:
URL: https://github.com/apache/incubator-uniffle/pull/254#discussion_r990721383
##########
client-spark/common/src/main/java/org/apache/spark/shuffle/reader/RssShuffleDataIterator.java:
##########
@@ -109,24 +123,20 @@ public boolean hasNext() {
shuffleReadMetrics.incFetchWaitTime(fetchDuration);
if (compressedData != null) {
shuffleReadMetrics.incRemoteBytesRead(compressedData.limit() -
compressedData.position());
- // Directbytebuffers are not collected in time will cause executor
easy
- // be killed by cluster managers(such as YARN) for using too much
offheap memory
- if (uncompressedData != null && uncompressedData.isDirect()) {
- try {
- RssShuffleUtils.destroyDirectByteBuffer(uncompressedData);
- } catch (Exception e) {
- throw new RssException("Destroy DirectByteBuffer failed!", e);
- }
+
+ int uncompressedLen = compressedBlock.getUncompressLength();
+ if (uncompressedData == null || uncompressedData.capacity() <
uncompressedLen) {
+ uncompressedData = ByteBuffer.allocate(uncompressedLen);
Review Comment:
PTAL @jerqi . This is the different with the original implementation.
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