Github user brightchen commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/324#discussion_r72536975
--- Diff:
library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableByteMapImpl.java
---
@@ -0,0 +1,210 @@
+package org.apache.apex.malhar.lib.state.spillable;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+
+import javax.validation.constraints.NotNull;
+
+import org.apache.apex.malhar.lib.state.BucketedState;
+import org.apache.apex.malhar.lib.utils.serde.Serde;
+import org.apache.apex.malhar.lib.utils.serde.SliceUtils;
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.mutable.MutableInt;
+
+import com.google.common.base.Preconditions;
+
+import com.datatorrent.api.Context;
+import com.datatorrent.netlet.util.Slice;
+
+public class SpillableByteMapImpl<K, V> implements
Spillable.SpillableByteMap<K, V>, Spillable.SpillableComponent
+{
+ @NotNull
+ private SpillableStateStore store;
+ @NotNull
+ private byte[] identifier;
+ private long bucket;
+ @NotNull
+ private Serde<K, Slice> serdeKey;
+ @NotNull
+ private Serde<V, Slice> serdeValue;
+
+ private int size = 0;
+
+ private transient WindowBoundedMapCache<K, V> cache = new
WindowBoundedMapCache<>();
--- End diff --
why this is transient while SpillableByteArrayListMultimapImpl.cache is
non-transient? Are you try to let the platform checkpoint/load for cache data
and using the store to manage already persistentted data?
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