Manno15 commented on a change in pull request #2287: URL: https://github.com/apache/accumulo/pull/2287#discussion_r715190857
########## File path: test/src/main/java/org/apache/accumulo/test/compaction/ExternalCompaction_3_IT.java ########## @@ -0,0 +1,189 @@ +/* + * 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.accumulo.test.compaction; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; +import java.util.stream.Collectors; + +import org.apache.accumulo.coordinator.CompactionCoordinator; +import org.apache.accumulo.coordinator.ExternalCompactionMetrics; +import org.apache.accumulo.core.client.Accumulo; +import org.apache.accumulo.core.client.AccumuloClient; +import org.apache.accumulo.core.clientImpl.Tables; +import org.apache.accumulo.core.conf.Property; +import org.apache.accumulo.core.data.TableId; +import org.apache.accumulo.core.metadata.schema.ExternalCompactionId; +import org.apache.accumulo.core.metadata.schema.TabletMetadata; +import org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType; +import org.apache.accumulo.core.metadata.schema.TabletsMetadata; +import org.apache.accumulo.fate.util.UtilWaitThread; +import org.apache.accumulo.harness.AccumuloClusterHarness; +import org.apache.accumulo.harness.MiniClusterConfigurationCallback; +import org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl; +import org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl.ProcessInfo; +import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.io.Text; +import org.junit.Test; + +public class ExternalCompaction_3_IT extends AccumuloClusterHarness + implements MiniClusterConfigurationCallback { + + @Override + public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration coreSite) { + ExternalCompactionUtils.configureMiniCluster(cfg, coreSite); + } + + @Test + public void testMergeDuringExternalCompaction() throws Exception { + String table1 = this.getUniqueNames(1)[0]; + try (AccumuloClient client = + Accumulo.newClient().from(getCluster().getClientProperties()).build()) { + + ExternalCompactionUtils.createTable(client, table1, "cs1", 2); + // set compaction ratio to 1 so that majc occurs naturally, not user compaction + // user compaction blocks merge + client.tableOperations().setProperty(table1, Property.TABLE_MAJC_RATIO.toString(), "1.0"); + // cause multiple rfiles to be created + ExternalCompactionUtils.writeData(client, table1); + ExternalCompactionUtils.writeData(client, table1); + ExternalCompactionUtils.writeData(client, table1); + ExternalCompactionUtils.writeData(client, table1); + + TableId tid = Tables.getTableId(getCluster().getServerContext(), table1); + + ((MiniAccumuloClusterImpl) getCluster()).exec(TestCompactionCoordinator.class); + // Wait for coordinator to start + ExternalCompactionMetrics metrics = null; + while (null == metrics) { + try { + metrics = ExternalCompactionUtils.getCoordinatorMetrics(); + } catch (Exception e) { + UtilWaitThread.sleep(250); + } + } + + ((MiniAccumuloClusterImpl) getCluster()).exec(ExternalDoNothingCompactor.class, "-q", "DCQ1"); + + // Wait for the compaction to start by waiting for 1 external compaction column + Set<ExternalCompactionId> ecids = new HashSet<>(); + do { + UtilWaitThread.sleep(50); + try (TabletsMetadata tm = getCluster().getServerContext().getAmple().readTablets() + .forTable(tid).fetch(ColumnType.ECOMP).build()) { + tm.stream().flatMap(t -> t.getExternalCompactions().keySet().stream()) + .forEach(ecids::add); + } + } while (ecids.isEmpty()); + + var md = new ArrayList<TabletMetadata>(); + try (TabletsMetadata tm = getCluster().getServerContext().getAmple().readTablets() + .forTable(tid).fetch(ColumnType.PREV_ROW).build()) { + tm.forEach(t -> md.add(t)); + assertEquals(2, md.size()); + } + + assertTrue(ExternalCompactionUtils.getCoordinatorMetrics().getFailed() == 0); + + // Merge - blocking operation + Text start = md.get(0).getPrevEndRow(); + Text end = md.get(1).getEndRow(); + client.tableOperations().merge(table1, start, end); + + // wait for failure or test timeout + metrics = ExternalCompactionUtils.getCoordinatorMetrics(); + while (metrics.getFailed() == 0) { + UtilWaitThread.sleep(250); + metrics = ExternalCompactionUtils.getCoordinatorMetrics(); + } + + // Check that there is one more failed compaction in the coordinator metrics + assertTrue(metrics.getStarted() > 0); + assertEquals(0, metrics.getCompleted()); + assertTrue(metrics.getFailed() > 0); + + // ensure compaction ids were deleted by merge operation from metadata table + try (TabletsMetadata tm = getCluster().getServerContext().getAmple().readTablets() + .forTable(tid).fetch(ColumnType.ECOMP).build()) { + Set<ExternalCompactionId> ecids2 = tm.stream() + .flatMap(t -> t.getExternalCompactions().keySet().stream()).collect(Collectors.toSet()); + // keep checking until test times out + while (!Collections.disjoint(ecids, ecids2)) { + UtilWaitThread.sleep(25); + ecids2 = tm.stream().flatMap(t -> t.getExternalCompactions().keySet().stream()) + .collect(Collectors.toSet()); + } + } + } + } + + @Test + public void testCoordinatorRestartsDuringCompaction() throws Exception { + String table1 = this.getUniqueNames(1)[0]; + try (AccumuloClient client = + Accumulo.newClient().from(getCluster().getClientProperties()).build()) { + + ExternalCompactionUtils.createTable(client, table1, "cs1", 2); + ExternalCompactionUtils.writeData(client, table1); + + ProcessInfo coord = ExternalCompactionUtils + .startCoordinator(((MiniAccumuloClusterImpl) getCluster()), CompactionCoordinator.class); + ProcessInfo compactor = ((MiniAccumuloClusterImpl) getCluster()) + .exec(ExternalDoNothingCompactor.class, "-q", "DCQ1"); + ExternalCompactionUtils.compact(client, table1, 2, "DCQ1", false); + TableId tid = Tables.getTableId(getCluster().getServerContext(), table1); + // Wait for the compaction to start by waiting for 1 external compaction column + Set<ExternalCompactionId> ecids = new HashSet<>(); + do { + // getCluster().getServerContext().getAmple().readTablets().forTable(tid).saveKeyValues().build().forEach(tm + // -> tm.getKeyValues().forEach((k,v) -> System.out.println(k + " -> " + v))); Review comment: ```suggestion ``` -- This is an automated message from the Apache Git Service. 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