1996fanrui commented on code in PR #27182:
URL: https://github.com/apache/flink/pull/27182#discussion_r2541171800
##########
flink-core/src/main/java/org/apache/flink/configuration/CheckpointingOptions.java:
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@@ -646,6 +646,15 @@ public class CheckpointingOptions {
+ "It can reduce the number of small files
when enable unaligned checkpoint. "
+ "Each subtask will create a new channel
state file when this is configured to 1.");
+ @Experimental
+ public static final ConfigOption<Boolean> UNALIGNED_ALLOW_ON_RECOVERY =
+
ConfigOptions.key("execution.checkpointing.unaligned.allow-on-recovery")
Review Comment:
I have updated it to have 2 config options, which not only avoids the
situation where a configuration option is released but the functionality is not
yet ready, but also allows for individual testing of
`execution.checkpointing.unaligned.recover-output-on-downstream.enabled`.
> execution.checkpointing.unaligned.recover-output-on-downstream.enabled (It
has been done in this PR)
> execution.checkpointing.unaligned.during-recovery.enabled
https://cwiki.apache.org/confluence/display/FLINK/FLIP-547%3A+Support+checkpoint+during+recovery#FLIP547:Supportcheckpointduringrecovery-3.PublicInterfaces
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