sodonnel commented on a change in pull request #2903:
URL: https://github.com/apache/ozone/pull/2903#discussion_r766545933
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/replication/SimpleContainerDownloader.java
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@@ -74,38 +74,28 @@ public SimpleContainerDownloader(
public CompletableFuture<Path> getContainerDataFromReplicas(
long containerId, List<DatanodeDetails> sourceDatanodes) {
- CompletableFuture<Path> result = null;
-
final List<DatanodeDetails> shuffledDatanodes =
shuffleDatanodes(sourceDatanodes);
for (DatanodeDetails datanode : shuffledDatanodes) {
try {
- if (result == null) {
- result = downloadContainer(containerId, datanode);
- } else {
-
- result = result.exceptionally(t -> {
- LOG.error("Error on replicating container: " + containerId, t);
- try {
- return downloadContainer(containerId, datanode).get();
- } catch (ExecutionException | IOException e) {
- LOG.error("Error on replicating container: " + containerId,
- e);
- } catch (InterruptedException e) {
- Thread.currentThread().interrupt();
- }
- return null;
- });
- }
+ CompletableFuture<Path> result =
+ downloadContainer(containerId, datanode);
+ result.get();
Review comment:
> It looks like the only caller of this method
DownloadAndImportReplicator#replicate is also handling the same set of
exceptions when calling CompletableFuture#get()
Yea I noticed that - perhaps I will change it to just return the path or
null, and then we can remove the exception handling from the caller too.
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