cloud-fan commented on a change in pull request #26663: [SPARK-30015][Core]
Continuous shuffle block fetching should be disabled by default when the old
fetch protocol is used
URL: https://github.com/apache/spark/pull/26663#discussion_r350603896
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File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalBlockHandler.java
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@@ -290,6 +290,10 @@ public ShuffleMetrics() {
final int[] mapIdAndReduceIds = new int[2 * blockIds.length];
for (int i = 0; i < blockIds.length; i++) {
String[] blockIdParts = blockIds[i].split("_");
+ if (blockIdParts.length == 5) {
Review comment:
the `if` below can fail as well, do we need this check?
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