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https://issues.apache.org/jira/browse/FLINK-5778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15890215#comment-15890215
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ASF GitHub Bot commented on FLINK-5778:
---------------------------------------
Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/3442#discussion_r103688876
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/savepoint/AbstractSavepoint.java
---
@@ -0,0 +1,94 @@
+/*
+ * 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.checkpoint.savepoint;
+
+import java.util.Collection;
+import java.util.Objects;
+import org.apache.flink.runtime.checkpoint.TaskState;
+import org.apache.flink.util.Preconditions;
+
+/**
+ * A base savepoint class implementing the simple accessors of the
Savepoint
+ * interface.
+ */
+abstract class AbstractSavepoint implements Savepoint {
--- End diff --
This code was the same for both `SavepointV1` and `SavepointV2`. Therefore
I've moved it here.
> Split FileStateHandle into fileName and basePath
> ------------------------------------------------
>
> Key: FLINK-5778
> URL: https://issues.apache.org/jira/browse/FLINK-5778
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Ufuk Celebi
>
> Store the statePath as a basePath and a fileName and allow to overwrite the
> basePath. We cannot overwrite the base path as long as the state handle is
> still in flight and not persisted. Otherwise we risk a resource leak.
> We need this in order to be able to relocate savepoints.
> {code}
> interface RelativeBaseLocationStreamStateHandle {
> void clearBaseLocation();
> void setBaseLocation(String baseLocation);
> }
> {code}
> FileStateHandle should implement this and the SavepointSerializer should
> forward the calls when a savepoint is stored or loaded, clear before store
> and set after load.
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