yunfengzhou-hub commented on code in PR #97:
URL: https://github.com/apache/flink-ml/pull/97#discussion_r876690459


##########
flink-ml-iteration/src/main/java/org/apache/flink/iteration/datacache/nonkeyed/Segment.java:
##########
@@ -18,38 +18,49 @@
 
 package org.apache.flink.iteration.datacache.nonkeyed;
 
+import org.apache.flink.api.common.typeutils.TypeSerializer;
 import org.apache.flink.core.fs.Path;
 
+import java.io.IOException;
 import java.io.Serializable;
+import java.util.List;
 import java.util.Objects;
 
-/** A segment represents a single file for the cache. */
+/** A segment contains the information about a cache unit. */

Review Comment:
   This class contains all information about a cache unit, no matter the cache 
is on disk, in memory, or both. I'll modify the doc and the api to improve its 
readability.



##########
flink-ml-iteration/src/main/java/org/apache/flink/iteration/datacache/nonkeyed/Segment.java:
##########
@@ -18,38 +18,49 @@
 
 package org.apache.flink.iteration.datacache.nonkeyed;
 
+import org.apache.flink.api.common.typeutils.TypeSerializer;
 import org.apache.flink.core.fs.Path;
 
+import java.io.IOException;
 import java.io.Serializable;
+import java.util.List;
 import java.util.Objects;
 
-/** A segment represents a single file for the cache. */
+/** A segment contains the information about a cache unit. */

Review Comment:
   This class contains all information about a cache unit, no matter the cache 
is on disk, in memory, or both. I'll modify the doc and the api to improve its 
readability.



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