Myasuka commented on a change in pull request #16183:
URL: https://github.com/apache/flink/pull/16183#discussion_r655118982
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File path: flink-dist/src/main/resources/flink-conf.yaml
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@@ -107,7 +107,18 @@ parallelism.default: 1
#==============================================================================
# The backend that will be used to store operator state checkpoints if
-# checkpointing is enabled.
+# checkpointing is enabled. Checkpointing is enabled when
execution.checkpointing.interval > 0.
+#
+# Execution checkpointing related parameters.
+#
+# execution.checkpointing.interval: -1
Review comment:
From my point of view, user might uncomment this line for out-of-box
usage. However, the value of `-1` is illegal and what I thought is like
~~~ bash
# The interval in which checkpoints are periodically scheduled.
#
# execution.checkpointing.interval: 3 min
~~~
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