Github user jinxing64 commented on a diff in the pull request:
https://github.com/apache/spark/pull/16989#discussion_r115884613
--- Diff:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java
---
@@ -126,4 +150,50 @@ private void failRemainingBlocks(String[]
failedBlockIds, Throwable e) {
}
}
}
+
+ private class DownloadCallback implements StreamCallback {
+
+ private WritableByteChannel channel = null;
+ private File targetFile = null;
+ private int chunkIndex;
+
+ public DownloadCallback(File targetFile, int chunkIndex) throws
IOException {
+ this.targetFile = targetFile;
+ this.channel = Channels.newChannel(new FileOutputStream(targetFile));
+ this.chunkIndex = chunkIndex;
+ }
+
+ @Override
+ public void onData(String streamId, ByteBuffer buf) throws IOException
{
+ channel.write(buf);
+ }
+
+ @Override
+ public void onComplete(String streamId) throws IOException {
+ channel.close();
+ ManagedBuffer buffer = new FileSegmentManagedBuffer(
+ transportConf, targetFile, 0, targetFile.length()) {
+ @Override
+ public ManagedBuffer release() {
+ ManagedBuffer ret = super.release();
+ if (!targetFile.delete()) {
+ logger.warn("Failed to cleanup " +
targetFile.getAbsolutePath());
--- End diff --
Yes, I should refine this :-)
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