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Subject [GitHub] StefanRRichter commented on a change in pull request #6460: [FLINK-9938] Clean up full snapshot from expired state with TTL
Date Wed, 01 Aug 2018 12:37:05 GMT
StefanRRichter commented on a change in pull request #6460: [FLINK-9938] Clean up full snapshot
from expired state with TTL
URL: https://github.com/apache/flink/pull/6460#discussion_r206833793
 
 

 ##########
 File path: flink-runtime/src/main/java/org/apache/flink/runtime/state/ttl/TtlStateSnapshotFilter.java
 ##########
 @@ -0,0 +1,133 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.state.ttl;
+
+import org.apache.flink.api.common.typeutils.base.LongSerializer;
+import org.apache.flink.core.memory.DataInputViewStreamWrapper;
+import org.apache.flink.runtime.state.StateSnapshotFilter;
+import org.apache.flink.util.FlinkRuntimeException;
+import org.apache.flink.util.Preconditions;
+
+import javax.annotation.Nonnull;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/** Filter expired values with TTL upon snapshoting. */
 
 Review comment:
   "Expires" sounds a bit too active, or not? I isn't it more like filtering out expired values?

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