attilapiros commented on a change in pull request #25299: [SPARK-27651][Core]
Avoid the network when shuffle blocks are fetched from the same host
URL: https://github.com/apache/spark/pull/25299#discussion_r347574942
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java
##########
@@ -369,6 +371,12 @@ public int removeBlocks(String appId, String execId,
String[] blockIds) {
return numRemovedBlocks;
}
+ public Map<String, String[]> getLocalDirs(String appId, String[] execIds) {
+ return Arrays.stream(execIds)
+ .map(exec -> Pair.of(exec, executors.get(new AppExecId(appId,
exec)).localDirs))
Review comment:
I just pushed a commit where the entries without executor shuffle info are
skipped.
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