Z1Wu commented on code in PR #3093:
URL: https://github.com/apache/celeborn/pull/3093#discussion_r1952810661
##########
client/src/main/java/org/apache/celeborn/client/read/DfsPartitionReader.java:
##########
@@ -97,26 +98,28 @@ public DfsPartitionReader(
if (endMapIndex != Integer.MAX_VALUE) {
long fetchTimeoutMs = conf.clientFetchTimeoutMs();
- try {
- client = clientFactory.createClient(location.getHost(),
location.getFetchPort());
- TransportMessage openStream =
- new TransportMessage(
- MessageType.OPEN_STREAM,
- PbOpenStream.newBuilder()
- .setShuffleKey(shuffleKey)
- .setFileName(location.getFileName())
- .setStartIndex(startMapIndex)
- .setEndIndex(endMapIndex)
- .build()
- .toByteArray());
- ByteBuffer response = client.sendRpcSync(openStream.toByteBuffer(),
fetchTimeoutMs);
- streamHandler =
TransportMessage.fromByteBuffer(response).getParsedPayload();
- // Parse this message to ensure sort is done.
- } catch (IOException | InterruptedException e) {
- throw new IOException(
- "read shuffle file from DFS failed, filePath: "
- + location.getStorageInfo().getFilePath(),
- e);
+ if (pbStreamHandler == null) {
+ try {
+ client = clientFactory.createClient(location.getHost(),
location.getFetchPort());
+ TransportMessage openStream =
+ new TransportMessage(
+ MessageType.OPEN_STREAM,
+ PbOpenStream.newBuilder()
+ .setShuffleKey(shuffleKey)
+ .setFileName(location.getFileName())
+ .setStartIndex(startMapIndex)
+ .setEndIndex(endMapIndex)
+ .build()
+ .toByteArray());
+ ByteBuffer response = client.sendRpcSync(openStream.toByteBuffer(),
fetchTimeoutMs);
+ streamHandler =
TransportMessage.fromByteBuffer(response).getParsedPayload();
+ // Parse this message to ensure sort is done.
+ } catch (IOException | InterruptedException e) {
+ throw new IOException(
+ "read shuffle file from DFS failed, filePath: "
+ + location.getStorageInfo().getFilePath(),
+ e);
+ }
Review Comment:
Fixed. Please review it again.
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