org.apache.hadoop.hbase.procedure2.store.wal.TestStressWALProcedureStore.java Source code

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Here is the source code for org.apache.hadoop.hbase.procedure2.store.wal.TestStressWALProcedureStore.java

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/**
 * 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.hadoop.hbase.procedure2.store.wal;

import java.io.IOException;
import java.util.Random;
import java.util.concurrent.atomic.AtomicLong;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;
import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.LoadCounter;
import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.testclassification.MasterTests;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

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

@Category({ MasterTests.class, LargeTests.class })
public class TestStressWALProcedureStore {
    private static final Log LOG = LogFactory.getLog(TestWALProcedureStore.class);

    private static final int PROCEDURE_STORE_SLOTS = 8;

    private WALProcedureStore procStore;

    private HBaseCommonTestingUtility htu;
    private FileSystem fs;
    private Path testDir;
    private Path logDir;

    private void setupConfiguration(Configuration conf) {
        conf.setBoolean(WALProcedureStore.USE_HSYNC_CONF_KEY, false);
        conf.setInt(WALProcedureStore.PERIODIC_ROLL_CONF_KEY, 5000);
        conf.setInt(WALProcedureStore.ROLL_THRESHOLD_CONF_KEY, 128 * 1024);
    }

    @Before
    public void setUp() throws IOException {
        htu = new HBaseCommonTestingUtility();
        setupConfiguration(htu.getConfiguration());

        testDir = htu.getDataTestDir();
        fs = testDir.getFileSystem(htu.getConfiguration());
        assertTrue(testDir.depth() > 1);

        logDir = new Path(testDir, "proc-logs");
        procStore = ProcedureTestingUtility.createWalStore(htu.getConfiguration(), fs, logDir);
        procStore.start(PROCEDURE_STORE_SLOTS);
        procStore.recoverLease();

        LoadCounter loader = new LoadCounter();
        procStore.load(loader);
        assertEquals(0, loader.getMaxProcId());
        assertEquals(0, loader.getLoadedCount());
        assertEquals(0, loader.getCorruptedCount());
    }

    @After
    public void tearDown() throws IOException {
        procStore.stop(false);
        fs.delete(logDir, true);
    }

    @Test
    public void testInsertUpdateDelete() throws Exception {
        final long LAST_PROC_ID = 19999;
        final Thread[] thread = new Thread[PROCEDURE_STORE_SLOTS];
        final AtomicLong procCounter = new AtomicLong((long) Math.round(Math.random() * 100));
        for (int i = 0; i < thread.length; ++i) {
            thread[i] = new Thread() {
                @Override
                public void run() {
                    Random rand = new Random();
                    TestProcedure proc;
                    do {
                        // After HBASE-15579 there may be gap in the procId sequence, trying to simulate that.
                        long procId = procCounter.addAndGet(1 + rand.nextInt(3));
                        proc = new TestProcedure(procId);
                        // Insert
                        procStore.insert(proc, null);
                        // Update
                        for (int i = 0, nupdates = rand.nextInt(10); i <= nupdates; ++i) {
                            try {
                                Thread.sleep(0, rand.nextInt(15));
                            } catch (InterruptedException e) {
                            }
                            procStore.update(proc);
                        }
                        // Delete
                        procStore.delete(proc.getProcId());
                    } while (proc.getProcId() < LAST_PROC_ID);
                }
            };
            thread[i].start();
        }

        for (int i = 0; i < thread.length; ++i) {
            thread[i].join();
        }

        procStore.getStoreTracker().dump();
        assertTrue(procCounter.get() >= LAST_PROC_ID);
        assertTrue(procStore.getStoreTracker().isEmpty());
        assertEquals(1, procStore.getActiveLogs().size());
    }
}