1996fanrui commented on code in PR #20151:
URL: https://github.com/apache/flink/pull/20151#discussion_r1048276628
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/ExecutionCheckpointingOptions.java:
##########
@@ -252,4 +252,13 @@ public class ExecutionCheckpointingOptions {
"{{.Site.BaseURL}}{{.Site.LanguagePrefix}}/docs/dev/datastream/fault-tolerance/checkpointing/#checkpointing-with-parts-of-the-graph-finished-beta",
"the important
considerations"))
.build());
+
+ public static final ConfigOption<Integer>
CHANNEL_STATE_NUMBER_OF_TASKS_SHARE_FILE =
+
ConfigOptions.key("execution.checkpointing.channel-state.number-of-tasks-share-file")
+ .intType()
+ .defaultValue(5)
+ .withDescription(
+ "Defines the maximum number of tasks that share
the same channel state file. "
+ + "It can reduce the number of small files
when enable unaligned checkpoint. "
+ + "Each task will create a new channel
state file when this is configured to 1.");
Review Comment:
Sorry, I just changed the description, I will change the config key later.
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