Zakelly commented on code in PR #23509:
URL: https://github.com/apache/flink/pull/23509#discussion_r1425468192
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flink-core/src/main/java/org/apache/flink/configuration/CheckpointingOptions.java:
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@@ -228,6 +228,32 @@ public class CheckpointingOptions {
+ "in a Flink supported filesystem. The
storage path must be accessible from all participating processes/nodes"
+ "(i.e. all TaskManagers and
JobManagers).");
+ /**
+ * Whether to create sub-directories named by job id to store the data
files and meta data of
+ * checkpoints. The default value is true to enable user could run several
jobs with the same
+ * checkpoint directory at the same time. If this value is set to false,
pay attention not to
+ * run several jobs with the same directory simultaneously.
+ */
+ @Documentation.Section(Documentation.Sections.EXPERT_STATE_BACKENDS)
+ public static final ConfigOption<Boolean> CREATE_CHECKPOINT_SUB_DIS =
+ ConfigOptions.key("state.checkpoints.create-subdir")
+ .booleanType()
+ .defaultValue(true)
+ .withDescription(
+ Description.builder()
+ .text(
+ "Whether to create sub-directories
named by job id under the '%s' to store the data files and meta data "
+ + "of checkpoints. The
default value is true to enable user could run several jobs with the same "
+ + "checkpoint directory at
the same time. If this value is set to false, pay attention not to "
+ + "run several jobs with
the same directory simultaneously. ",
+
TextElement.code(CHECKPOINTS_DIRECTORY.key()))
+ .linebreak()
+ .text(
+ "WARNING: This is an advanced
configuration. If set to false, users must ensure that no multiple jobs are run
"
Review Comment:
I'm afraid there are some misunderstanding here. The text here is trying to
tell user to keep this directory for only one job use, no matter what the
recovery mode is.
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