Zakelly commented on code in PR #24402:
URL: https://github.com/apache/flink/pull/24402#discussion_r1515512353
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flink-core/src/main/java/org/apache/flink/configuration/CheckpointingOptions.java:
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@@ -169,6 +173,26 @@ public class CheckpointingOptions {
+ "deactivated. Local recovery currently
only covers keyed state backends "
+ "(including both the
EmbeddedRocksDBStateBackend and the HashMapStateBackend).");
+ /**
+ * This option configures local backup for the state backend, which
indicates whether to make
+ * backup checkpoint on local disk. If not configured, fallback to {@link
+ * StateRecoveryOptions#LOCAL_RECOVERY}. By default, local backup is
deactivated. Local backup
+ * currently only covers keyed state backends (including both the
EmbeddedRocksDBStateBackend
+ * and the HashMapStateBackend).
+ */
+ public static final ConfigOption<Boolean> LOCAL_BACKUP_ENABLED =
+ ConfigOptions.key("execution.checkpointing.local-backup.enabled")
+ .booleanType()
+
.defaultValue(StateRecoveryOptions.LOCAL_RECOVERY.defaultValue())
+
.withFallbackKeys(StateRecoveryOptions.LOCAL_RECOVERY.key())
Review Comment:
OK I get it. +1 for current fallback strategy. But why there is only
`.withDeprecatedKeys(CheckpointingOptions.LOCAL_RECOVERY.key())` for
LOCAL_RECOVERY and not for LOCAL_BACKUP_ENABLED
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