duanmeng commented on code in PR #276:
URL: https://github.com/apache/incubator-uniffle/pull/276#discussion_r1012472184
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storage/src/main/java/org/apache/uniffle/storage/handler/impl/DataSkippableReadHandler.java:
##########
@@ -59,8 +60,17 @@ public DataSkippableReadHandler(
public ShuffleDataResult readShuffleData() {
if (shuffleDataSegments.isEmpty()) {
- ShuffleIndexResult shuffleIndexResult = readShuffleIndex();
+ ShuffleIndexResult shuffleIndexResult;
+ try {
+ shuffleIndexResult = readShuffleIndex();
+ } catch (Exception e) {
+ if (++failTimes > maxHanderFailTimes) {
Review Comment:
Could you explain why try multiple times here?
##########
storage/src/main/java/org/apache/uniffle/storage/handler/impl/DataSkippableReadHandler.java:
##########
@@ -59,8 +60,17 @@ public DataSkippableReadHandler(
public ShuffleDataResult readShuffleData() {
if (shuffleDataSegments.isEmpty()) {
- ShuffleIndexResult shuffleIndexResult = readShuffleIndex();
+ ShuffleIndexResult shuffleIndexResult;
+ try {
+ shuffleIndexResult = readShuffleIndex();
+ } catch (Exception e) {
+ if (++failTimes > maxHanderFailTimes) {
+ isFinished = true;
+ }
+ throw e;
Review Comment:
This exception would be handled by`HdfsClientReadHandler`, which increases
the `handlerIndex` and moves to the next handler, so what is the point of the
`finished` flag here?
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