TisonKun commented on a change in pull request #9727: [FLINK-14145] Fix
getLatestCheckpoint(true) returns wrong checkpoint
URL: https://github.com/apache/flink/pull/9727#discussion_r326928459
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CompletedCheckpointStore.java
##########
@@ -55,31 +54,26 @@
* added.
*/
default CompletedCheckpoint getLatestCheckpoint(boolean
isPreferCheckpointForRecovery) throws Exception {
- if (getAllCheckpoints().isEmpty()) {
+ List<CompletedCheckpoint> allCheckpoints = getAllCheckpoints();
+ if (allCheckpoints.isEmpty()) {
return null;
}
- CompletedCheckpoint candidate =
getAllCheckpoints().get(getAllCheckpoints().size() - 1);
- if (isPreferCheckpointForRecovery && getAllCheckpoints().size()
> 1) {
- List<CompletedCheckpoint> allCheckpoints;
- try {
- allCheckpoints = getAllCheckpoints();
- ListIterator<CompletedCheckpoint> listIterator
= allCheckpoints.listIterator(allCheckpoints.size() - 1);
- while (listIterator.hasPrevious()) {
- CompletedCheckpoint prev =
listIterator.previous();
- if
(!prev.getProperties().isSavepoint()) {
- candidate = prev;
- LOG.info("Found a completed
checkpoint before the latest savepoint, will use it to recover!");
- break;
- }
+ CompletedCheckpoint lastCompleted =
allCheckpoints.get(allCheckpoints.size() - 1);
+
+ if (lastCompleted.getProperties().isSavepoint() &&
isPreferCheckpointForRecovery && allCheckpoints.size() > 1) {
+ ListIterator<CompletedCheckpoint> listIterator =
allCheckpoints.listIterator(allCheckpoints.size() - 1);
Review comment:
thanks for your explanation :-)
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