org.apache.accumulo.test.BulkImportSequentialRowsIT.java Source code

Introduction

Here is the source code for org.apache.accumulo.test.BulkImportSequentialRowsIT.java

Source

/*
 * 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;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.TreeSet;

import org.apache.accumulo.core.client.admin.TableOperations;
import org.apache.accumulo.core.security.Authorizations;
import org.apache.accumulo.harness.AccumuloClusterHarness;
import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FsShell;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RawLocalFileSystem;
import org.apache.hadoop.io.Text;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.collect.Iterables;

// ACCUMULO-3967
public class BulkImportSequentialRowsIT extends AccumuloClusterHarness {
    private static final Logger log = LoggerFactory.getLogger(BulkImportSequentialRowsIT.class);

    private static final long NR = 24;
    private static final long NV = 42000;

    @Override
    public int defaultTimeoutSeconds() {
        return 60;
    }

    @Override
    public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
        // Need more than one tserver
        cfg.setNumTservers(2);

        // use raw local file system so walogs sync and flush will work
        hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName());
    }

    @Test
    public void testBulkImportFailure() throws Exception {
        String tableName = getUniqueNames(1)[0];
        TableOperations to = getConnector().tableOperations();
        to.create(tableName);
        FileSystem fs = getFileSystem();
        Path rootPath = new Path(fs.makeQualified(getUsableDir()), getClass().getSimpleName());
        log.info("Writing to {}", rootPath);
        if (fs.exists(rootPath)) {
            assertTrue(fs.delete(rootPath, true));
        }
        assertTrue(fs.mkdirs(rootPath));

        Path bulk = new Path(rootPath, "bulk");
        log.info("bulk: {}", bulk);
        assertTrue(fs.mkdirs(bulk));
        Path err = new Path(rootPath, "err");
        log.info("err: {}", err);

        assertTrue(fs.mkdirs(bulk));
        assertTrue(fs.mkdirs(err));

        Path rfile = new Path(bulk, "file.rf");

        log.info("Generating RFile {}", rfile.toUri().toString());

        GenerateSequentialRFile.main(new String[] { "-f", rfile.toUri().toString(), "-nr", Long.toString(NR), "-nv",
                Long.toString(NV) });

        assertTrue("Expected that " + rfile + " exists, but it does not", fs.exists(rfile));

        FsShell fsShell = new FsShell(fs.getConf());
        assertEquals("Failed to chmod " + rootPath, 0,
                fsShell.run(new String[] { "-chmod", "-R", "777", rootPath.toString() }));

        // Add some splits
        to.addSplits(tableName, getSplits());

        // Then import a single rfile to all the tablets, hoping that we get a failure to import because of the balancer moving tablets around
        // and then we get to verify that the bug is actually fixed.
        to.importDirectory(tableName, bulk.toString(), err.toString(), false);

        // The bug is that some tablets don't get imported into.
        assertEquals(NR * NV, Iterables.size(getConnector().createScanner(tableName, Authorizations.EMPTY)));
    }

    private TreeSet<Text> getSplits() {
        TreeSet<Text> splits = new TreeSet<>();
        for (int i = 0; i < NR; i++) {
            splits.add(new Text(String.format("%03d", i)));
        }
        return splits;
    }
}