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https://issues.apache.org/jira/browse/FLINK-5897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885620#comment-15885620
]
ASF GitHub Bot commented on FLINK-5897:
---------------------------------------
Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/3411#discussion_r103170089
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractStateBackend.java
---
@@ -21,20 +21,50 @@
import org.apache.flink.annotation.PublicEvolving;
import org.apache.flink.api.common.JobID;
import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.CoreOptions;
+import org.apache.flink.configuration.IllegalConfigurationException;
import org.apache.flink.runtime.execution.Environment;
import org.apache.flink.runtime.query.TaskKvStateRegistry;
+import org.apache.flink.runtime.state.filesystem.FsStateBackend;
+import org.apache.flink.runtime.state.filesystem.FsStateBackendFactory;
+import org.apache.flink.runtime.state.memory.MemoryStateBackend;
+import org.apache.flink.util.DynamicCodeLoadingException;
+
+import org.slf4j.Logger;
import javax.annotation.Nullable;
import java.io.IOException;
+import static org.apache.flink.util.Preconditions.checkNotNull;
+
/**
* An abstract base implementation of the {@link StateBackend} interface.
+ *
+ * <p>
--- End diff --
Left over comment
> Untie Checkpoint Externalization from FileSystems
> -------------------------------------------------
>
> Key: FLINK-5897
> URL: https://issues.apache.org/jira/browse/FLINK-5897
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Affects Versions: 1.2.0
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.3.0
>
>
> Currently, externalizing checkpoint metadata and storing savepoints depends
> strictly on FileSystems.
> Since state backends are more general, storing and cleaning up checkpoints
> with state backend hooks requires to untie savepoints and externalized
> checkpoints from filesystems.
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