imbajin commented on code in PR #3309:
URL: https://github.com/apache/hugegraph/pull/3309#discussion_r4250773459
##########
hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java:
##########
@@ -244,12 +251,19 @@
RocksDBSessionTest.class,
RocksDBCountersTest.class,
RocksDBTableQueryByIdsTest.class,
+ RocksDBStdSessionsLifecycleTest.class,
+ RocksDBIteratorPoolTest.class,
+
+ /* memory */
+ MemoryAllocateTest.class,
Review Comment:
Verified in the current source: MemoryAllocateTest is excluded from the
default unit suite, and the PR description explicitly identifies it as an
unregistered allocation stress test. The ordinary suite retains
MemoryManageTest and ConsumersTest.
##########
hugegraph-store/hg-store-test/src/main/java/org/apache/hugegraph/store/rocksdb/SessionOperatorTest.java:
##########
@@ -0,0 +1,268 @@
+/*
+ * 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.hugegraph.store.rocksdb;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.hugegraph.rocksdb.access.DBStoreException;
+import org.apache.hugegraph.rocksdb.access.RocksDBSession;
+import org.apache.hugegraph.rocksdb.access.RocksDBSession.BackendColumn;
+import org.apache.hugegraph.rocksdb.access.ScanIterator;
+import org.apache.hugegraph.rocksdb.access.SessionOperator;
+import org.apache.hugegraph.rocksdb.access.SessionOperatorImpl;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+public class SessionOperatorTest extends BaseRocksDbTest {
+
+ private static final String TABLE = "tbl";
+ private static final String GRAPH = "op-graph";
+
+ @Rule
+ public TemporaryFolder folder = new TemporaryFolder();
+
+ private ExecutorService prober;
+ private String dataPath;
+ private RocksDBSession session;
+ private int probes;
+
+ private static byte[] b(String s) {
+ return s.getBytes(StandardCharsets.UTF_8);
+ }
+
+ private static List<String> keys(ScanIterator it) {
+ List<String> keys = new ArrayList<>();
+ try {
+ while (it.hasNext()) {
+ BackendColumn col = it.next();
+ keys.add(new String(col.name, StandardCharsets.UTF_8));
+ }
+ } finally {
+ it.close();
+ }
+ return keys;
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ this.prober = Executors.newSingleThreadExecutor(r -> {
+ Thread t = new Thread(r, "cf-lock-prober");
+ t.setDaemon(true);
+ return t;
+ });
+ this.dataPath = this.folder.newFolder("data").getAbsolutePath();
+ this.session = new RocksDBSession(hConfig, this.dataPath, GRAPH, 0);
+ this.session.checkTable(TABLE);
+ }
+
+ @After
+ public void tearDown() {
+ if (this.session != null) {
+ this.session.close();
+ }
+ this.prober.shutdownNow();
Review Comment:
Verified in the current source: teardown releases the read-lock holds owned
by the test thread before closing the session, and the class has a 60-second
timeout. This addresses the lock-upgrade hang described here.
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