attilapiros commented on a change in pull request #30163:
URL: https://github.com/apache/spark/pull/30163#discussion_r523741417
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalBlockStoreClient.java
##########
@@ -158,6 +158,34 @@ public void pushBlocks(
}
}
+ @Override
+ public void finalizeShuffleMerge(
+ String host,
+ int port,
+ int shuffleId,
+ MergeFinalizerListener listener) {
+ checkInit();
+ try {
+ TransportClient client = clientFactory.createClient(host, port);
+ ByteBuffer finalizeShuffleMerge = new FinalizeShuffleMerge(appId,
shuffleId).toByteBuffer();
+ client.sendRpc(finalizeShuffleMerge, new RpcResponseCallback() {
+ @Override
+ public void onSuccess(ByteBuffer response) {
+ listener.onShuffleMergeSuccess(
+ (MergeStatuses)
BlockTransferMessage.Decoder.fromByteBuffer(response));
+ }
+
+ @Override
+ public void onFailure(Throwable e) {
+ listener.onShuffleMergeFailure(e);
+ }
+ });
+ } catch (Exception e) {
+ logger.error("Exception while sending finalizeShuffleMerge request to
{}:{}",
Review comment:
I am uncertain here: is not this one kind of shuffle merge fail too?
So if you do not call `onShuffleMergeFailure` here then this error is not
propagated.
Would not this cause an endless waiting for some kind of asynchronous result
at the caller?
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