masteryhx commented on code in PR #24807:
URL: https://github.com/apache/flink/pull/24807#discussion_r1616031216


##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/filemerging/FileMergingSnapshotManagerBase.java:
##########
@@ -569,6 +581,67 @@ public void reusePreviousStateHandle(
         }
     }
 
+    // ------------------------------------------------------------------------
+    //  Space Control
+    // ------------------------------------------------------------------------
+
+    /**
+     * The core method that control space if needed. This method will compare 
the desired space
+     * amplification with current one, and if it exceeds the configured 
amplification, this method
+     * will mark minimal set of {@link PhysicalFile}s not to be reused anymore.
+     */
+    private void controlSpace() {
+        if (spaceStat.logicalFileSize.get() * maxSpaceAmplification

Review Comment:
   Okay, I think we could consider it later in the metric PR.



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