AHeise commented on a change in pull request #13709:
URL: https://github.com/apache/flink/pull/13709#discussion_r509211683
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/ZooKeeperCompletedCheckpointStore.java
##########
@@ -143,6 +145,10 @@ public void recover() throws Exception {
int numberOfInitialCheckpoints = initialCheckpoints.size();
LOG.info("Found {} checkpoints in ZooKeeper.",
numberOfInitialCheckpoints);
+ if (haveAllDownloaded(initialCheckpoints)) {
Review comment:
What happens if all but one checkpoint have been downloaded? Would it
download all of them or just the missing one?
If the former, I'd modify this method to return all missing checkpoints
instead.
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/ZooKeeperCompletedCheckpointStoreTest.java
##########
@@ -58,6 +66,54 @@ public void testPathConversion() {
assertEquals(checkpointId,
ZooKeeperCompletedCheckpointStore.pathToCheckpointId(path));
}
+ private static class TestException extends RuntimeException{
Review comment:
Could we reuse `ExpectedTestException` from `runtime` `testutils`
package?
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