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https://issues.apache.org/jira/browse/GEODE-7680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17118917#comment-17118917
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ASF GitHub Bot commented on GEODE-7680:
---------------------------------------
DonalEvans commented on a change in pull request #5095:
URL: https://github.com/apache/geode/pull/5095#discussion_r432000642
##########
File path:
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionClearWithRebalanceDUnitTest.java
##########
@@ -0,0 +1,386 @@
+/*
+ * 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.geode.internal.cache;
+
+import static
org.apache.geode.cache.PartitionAttributesFactory.GLOBAL_MAX_BUCKETS_DEFAULT;
+import static org.apache.geode.cache.RegionShortcut.PARTITION;
+import static org.apache.geode.cache.RegionShortcut.PARTITION_REDUNDANT;
+import static
org.apache.geode.cache.RegionShortcut.PARTITION_REDUNDANT_PERSISTENT;
+import static org.apache.geode.internal.util.ArrayUtils.asList;
+import static org.apache.geode.test.awaitility.GeodeAwaitility.await;
+import static org.apache.geode.test.dunit.VM.getVM;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.Matchers.greaterThan;
+import static org.junit.Assert.assertThat;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.IntStream;
+
+import junitparams.JUnitParamsRunner;
+import junitparams.Parameters;
+import junitparams.naming.TestCaseName;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.apache.geode.cache.PartitionAttributes;
+import org.apache.geode.cache.PartitionAttributesFactory;
+import org.apache.geode.cache.Region;
+import org.apache.geode.cache.RegionFactory;
+import org.apache.geode.cache.RegionShortcut;
+import org.apache.geode.cache.control.RebalanceOperation;
+import org.apache.geode.cache.control.RebalanceResults;
+import org.apache.geode.distributed.internal.DMStats;
+import org.apache.geode.test.awaitility.GeodeAwaitility;
+import org.apache.geode.test.dunit.AsyncInvocation;
+import org.apache.geode.test.dunit.DUnitBlackboard;
+import org.apache.geode.test.dunit.SerializableRunnableIF;
+import org.apache.geode.test.dunit.VM;
+import org.apache.geode.test.dunit.rules.CacheRule;
+import org.apache.geode.test.dunit.rules.DistributedDiskDirRule;
+import org.apache.geode.test.dunit.rules.DistributedRule;
+
+@RunWith(JUnitParamsRunner.class)
+public class PartitionedRegionClearWithRebalanceDUnitTest implements
Serializable {
Review comment:
Using three servers, with a PartitionedRegion with one redundant copy,
and killing the non-coordinator server when the clear operation starts, I am
still seeing a PartialClearException some of the time. It seems to be flaky
whether the clear operation has enough time to find the new primary in the case
that a server goes down. This happens even if there is no rebalance happening
at the time; as long as some data is hosted on the member that is killed, there
is a chance of a PartialClearException, it seems. I don't know if it will be
possible to write a useful test in this scenario, since we have to either
assert that the clear succeeds, or that it fails, but it doesn't do either
reliably.
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> Partitioned region clear operations must be successful while interacting with
> rebalance
> ----------------------------------------------------------------------------------------
>
> Key: GEODE-7680
> URL: https://issues.apache.org/jira/browse/GEODE-7680
> Project: Geode
> Issue Type: Sub-task
> Components: regions
> Reporter: Nabarun Nag
> Assignee: Donal Evans
> Priority: Major
> Labels: GeodeCommons, caching-applications
>
> Clear operations are successful and while rebalance operations are ongoing.
> Acceptance :
> * DUnit tests validating the above behavior.
> * Test coverage to when a member departs in this scenario
> * Test coverage to when a member restarts in this scenario
> * Unit tests with complete code coverage for the newly written code.
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