Github user kl0u commented on a diff in the pull request:
https://github.com/apache/flink/pull/5807#discussion_r178828967
--- Diff:
flink-end-to-end-tests/flink-queryable-state-test/src/main/java/org/apache/flink/streaming/tests/queryablestate/QsBugPoc.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.streaming.tests.queryablestate;
+
+import org.apache.flink.api.common.functions.RichFlatMapFunction;
+import org.apache.flink.api.common.state.MapState;
+import org.apache.flink.api.common.state.MapStateDescriptor;
+import org.apache.flink.api.common.typeinfo.TypeHint;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.api.java.functions.KeySelector;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.contrib.streaming.state.RocksDBStateBackend;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.functions.source.SourceFunction;
+import org.apache.flink.util.Collector;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Random;
+
+/**
+ * Javadoc.
+ */
+public class QsBugPoc {
+
+ public static final String QUERYABLE_STATE_NAME = "state";
+ public static final String STATE_NAME = "state";
+
+ public static void main(final String[] args) throws Exception {
+ final StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
+
+ RocksDBStateBackend rocksDb = new
RocksDBStateBackend("file:///tmp/deleteme-rocksdb");
+ env.setStateBackend(rocksDb);
--- End diff --
The dir to checkpoint can be a parameter and here it should be a path in
the `TEST_DIR` of the test itself. In addition, everything should be explicitly
cleaned up, e.g. checkpoints, potential output/input data, etc.
---
