xianjingfeng commented on code in PR #276:
URL: https://github.com/apache/incubator-uniffle/pull/276#discussion_r1020845927
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storage/src/main/java/org/apache/uniffle/storage/handler/impl/DataSkippableReadHandler.java:
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@@ -67,8 +68,17 @@ public DataSkippableReadHandler(
public ShuffleDataResult readShuffleData() {
if (shuffleDataSegments.isEmpty()) {
- ShuffleIndexResult shuffleIndexResult = readShuffleIndex();
+ ShuffleIndexResult shuffleIndexResult;
+ try {
+ shuffleIndexResult = readShuffleIndex();
+ } catch (Exception e) {
+ if (++failTimes > maxHandlerFailTimes) {
+ isFinished = true;
+ }
+ throw e;
Review Comment:
1.If this exception thrown here, the upper handler will catch it and move to
next lower handler.
2.if the network temporarily unavailable, read shuffle index may fail
here,so i think we should retry in next round, until reach
`maxHandlerFailTimes`.
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