maedhroz commented on a change in pull request #1301: URL: https://github.com/apache/cassandra/pull/1301#discussion_r797086372
########## File path: test/distributed/org/apache/cassandra/distributed/test/streaming/StreamCloseInMiddleTest.java ########## @@ -0,0 +1,204 @@ +/* + * 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.cassandra.distributed.test.streaming; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.Callable; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.stream.Collectors; + +import org.junit.Test; + +import net.bytebuddy.ByteBuddy; +import net.bytebuddy.dynamic.loading.ClassLoadingStrategy; +import net.bytebuddy.implementation.MethodDelegation; +import net.bytebuddy.implementation.bind.annotation.SuperCall; +import org.apache.cassandra.db.rows.UnfilteredRowIterator; +import org.apache.cassandra.db.streaming.CassandraIncomingFile; +import org.apache.cassandra.distributed.Cluster; +import org.apache.cassandra.distributed.api.Feature; +import org.apache.cassandra.distributed.api.IInvokableInstance; +import org.apache.cassandra.distributed.api.LogResult; +import org.apache.cassandra.distributed.api.TokenSupplier; +import org.apache.cassandra.distributed.shared.ClusterUtils; +import org.apache.cassandra.distributed.test.TestBaseImpl; +import org.apache.cassandra.io.sstable.format.RangeAwareSSTableWriter; +import org.apache.cassandra.io.sstable.format.big.BigTableZeroCopyWriter; +import org.apache.cassandra.io.util.SequentialWriter; +import org.assertj.core.api.Assertions; + +import static net.bytebuddy.matcher.ElementMatchers.named; +import static net.bytebuddy.matcher.ElementMatchers.takesArguments; + +public class StreamCloseInMiddleTest extends TestBaseImpl +{ + @Test + public void zeroCopy() throws IOException + { + streamClose(true); + } + + @Test + public void notZeroCopy() throws IOException + { + streamClose(false); + } + + private void streamClose(boolean zeroCopyStreaming) throws IOException + { + try (Cluster cluster = Cluster.build(2) + .withTokenSupplier(TokenSupplier.evenlyDistributedTokens(3)) + .withInstanceInitializer(BBHelper::install) + .withConfig(c -> c.with(Feature.values()) + .set("stream_entire_sstables", zeroCopyStreaming) + // when die, this will try to halt JVM, which is easier to validate in the test + // other levels require checking state of the subsystems + .set("disk_failure_policy", "die")) + .start()) + { + init(cluster); + + cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl (pk int PRIMARY KEY)")); + + triggerStreaming(cluster, zeroCopyStreaming); + // make sure disk failure policy is not triggered + assertNoNodeShutdown(cluster); + + // now bootstrap a new node; streaming will fail + IInvokableInstance node3 = ClusterUtils.addInstance(cluster, c -> c.set("auto_bootstrap", true)); + node3.startup(); + for (String line : Arrays.asList("Error while waiting on bootstrap to complete. Bootstrap will have to be restarted", // bootstrap failed + "Some data streaming failed. Use nodetool to check bootstrap state and resume")) // didn't join ring because bootstrap failed + Assertions.assertThat(node3.logs().grep(line).getResult()) + .hasSize(1); + + assertNoNodeShutdown(cluster); + } + } + + private void assertNoNodeShutdown(Cluster cluster) + { + AssertionError t = null; + for (IInvokableInstance i : cluster.stream().collect(Collectors.toList())) + { + try + { + Assertions.assertThat(i.isShutdown()).describedAs("%s was shutdown; this is not expected", i).isFalse(); + Assertions.assertThat(i.killAttempts()).describedAs("%s saw kill attempts; this is not expected", i).isEqualTo(0); + } + catch (AssertionError t2) + { + if (t == null) + t = t2; + else + t.addSuppressed(t2); + } + } + if (t != null) + throw t; + } + + private static void triggerStreaming(Cluster cluster, boolean expectedEntireSSTable) + { + // preemptive log search to make sure classes load... seems there is a bug where a downed instance can't return access to logs + cluster.forEach(n -> n.logs().grep("testing")); + + IInvokableInstance node1 = cluster.get(1); + IInvokableInstance node2 = cluster.get(2); + + // repair will do streaming IFF there is a mismatch; so cause one + for (int i = 0; i < 10; i++) + node1.executeInternal(withKeyspace("INSERT INTO %s.tbl (pk) VALUES (?)"), i); + + // we do not have metrics for streaming impl; this is only done in debug level logging... so enable debug logging if not on + cluster.forEach(n -> n.nodetoolResult("setlogginglevel", "streaming", "DEBUG").asserts().success()); + + // trigger streaming; expected to fail as streaming socket closed in the middle (currently this is an unrecoverable event) + long mark = node2.logs().mark(); + node2.nodetoolResult("repair", "-full", KEYSPACE, "tbl").asserts().failure(); + + assertStreamingFailed(node2, expectedEntireSSTable, mark); + } + + private static void assertStreamingFailed(IInvokableInstance node, boolean expectedEntireSSTable, long mark) Review comment: nit: Does the method check for streaming failed, or just that we saw incoming streams w/ the right flag? -- This is an automated message from the Apache Git Service. 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