AngersZhuuuu commented on a change in pull request #27419:
[SPARK-30694][SHUFFLE]If exception occured while fetching blocks by
ExternalBlockClient, fail early when External Shuffle Service is not alive
URL: https://github.com/apache/spark/pull/27419#discussion_r374716972
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalBlockStoreClient.java
##########
@@ -103,14 +103,26 @@ public void fetchBlocks(
try {
RetryingBlockFetcher.BlockFetchStarter blockFetchStarter =
(blockIds1, listener1) -> {
+
// Unless this client is closed.
if (clientFactory != null) {
- TransportClient client = clientFactory.createClient(host, port);
+ TransportClient client = null;
+ try {
+ client = clientFactory.createClient(host, port);
+ } catch (Exception e) {
Review comment:
> Are you sure that any exception implies the lost external shuffle service?
No, that's why I say that we may need a way to check External Shuffle
Service alive.
Any good suggestions
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