ivakegg commented on code in PR #3228: URL: https://github.com/apache/accumulo/pull/3228#discussion_r1204104064
########## test/src/main/java/org/apache/accumulo/test/ExportTableCommandWitlMultipleVolumes.java: ########## @@ -0,0 +1,156 @@ +/* + * 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 + * + * https://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; + +import static org.junit.jupiter.api.Assertions.assertTrue; + +import java.io.File; +import java.time.Duration; +import java.util.Map; +import java.util.SortedSet; +import java.util.TreeSet; + +import org.apache.accumulo.core.client.Accumulo; +import org.apache.accumulo.core.client.AccumuloClient; +import org.apache.accumulo.core.client.BatchWriter; +import org.apache.accumulo.core.client.Scanner; +import org.apache.accumulo.core.conf.Property; +import org.apache.accumulo.core.data.Key; +import org.apache.accumulo.core.data.Mutation; +import org.apache.accumulo.core.data.Range; +import org.apache.accumulo.core.data.Value; +import org.apache.accumulo.core.metadata.MetadataTable; +import org.apache.accumulo.core.metadata.schema.MetadataSchema; +import org.apache.accumulo.core.security.Authorizations; +import org.apache.accumulo.harness.AccumuloClusterHarness; +import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.fs.RawLocalFileSystem; +import org.apache.hadoop.io.Text; +import org.junit.jupiter.api.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ExportTableCommandWitlMultipleVolumes extends AccumuloClusterHarness { + + private static final Logger log = LoggerFactory.getLogger(ImportExportIT.class); + + Path v1, v2; + + public static String[] row_numbers = "1,2,3,4,5,6,7,8,9,10".split(","); + + String baseDirStr = ""; + String baseDir2Str = ""; + + @Override + protected Duration defaultTimeout() { + return Duration.ofMinutes(1); + } + + @Override + public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) { + File baseDir = cfg.getDir(); + baseDirStr = baseDir.toString(); + + // get first volume name + String[] baseDirArray = baseDirStr.split("/"); + String originalVolume = baseDirArray[2]; + + // get second volume name + String[] baseDir2Array = baseDirArray; + baseDir2Array[2] = baseDir2Array[2] + "2"; + String secondVolume = baseDir2Array[2]; + + // make second volume base directory + for (String element : baseDir2Array) { + baseDir2Str = baseDir2Str + "/" + element; + } + File baseDir2 = new File(baseDir2Str); + + File v1f = new File(baseDir, "volumes/v1"); + File v2f = new File(baseDir2, "volumes/v2"); + + v1 = new Path("file://" + v1f.getAbsolutePath()); + v2 = new Path("file://" + v2f.getAbsolutePath()); + + // Run MAC on two locations in the local file system + cfg.setProperty(Property.INSTANCE_VOLUMES, v1 + "," + v2); + + // use raw local file system so walogs sync and flush will work + hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName()); + } + + @Test + public void testExportCommand() throws Exception { + try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { + + final String tableName = getUniqueNames(1)[0]; + client.tableOperations().create(tableName); + + // add splits to table + SortedSet<Text> partitions = new TreeSet<>(); + for (String s : row_numbers) { + partitions.add(new Text(s)); + } + client.tableOperations().addSplits(tableName, partitions); + + try (BatchWriter bw = client.createBatchWriter(tableName)) { + for (int i = 1; i <= 5000000; i++) { + Mutation m = new Mutation(Integer.toString(i)); + if (i % 2 != 0) { + m.put(Integer.toString(i), "", String + .format("file://localhost:8020/accumulo/tables/1/default_tablet/I00000%dp.rf", i)); + } else { + m.put(Integer.toString(i), "", String + .format("file://localhost:8020/accumulo/tables/2/default_tablet/I00000%dp.rf", i)); + } + bw.addMutation(m); + } + } + + client.tableOperations().compact(tableName, null, null, true, true); + client.tableOperations().flush(tableName, null, null, true); + + Path outputDir = new Path(cluster.getTemporaryPath(), getClass().getName()); + Path exportDir = new Path(outputDir, "export"); + client.tableOperations().offline(tableName, true); + client.tableOperations().exportTable(tableName, exportDir.toString()); + + try (Scanner scanner = client.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) { + scanner.setRange(new Range("1", "1<")); + scanner.fetchColumnFamily(MetadataSchema.TabletsSection.DataFileColumnFamily.NAME); + + for (Map.Entry<Key,Value> entry : scanner) { + log.info("Key is: " + entry.getKey()); + log.info("Value is: " + entry.getValue()); + boolean inV1 = entry.getKey().getColumnQualifier().toString().contains(v1.toString()); + boolean inV2 = entry.getKey().getColumnQualifier().toString().contains(v2.toString()); + assertTrue(inV1 || inV2); + } + } + + FileSystem fs = cluster.getFileSystem(); Review Comment: I would probably be better to move lines 151-153 up to where we define configure v1 and v2. -- This is an automated message from the Apache Git Service. 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