| /** |
| * 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.mob; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Random; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.BufferedMutator; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.ConnectionFactory; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category(MediumTests.class) |
| public class TestExpiredMobFileCleaner { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestExpiredMobFileCleaner.class); |
| |
| private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private final static TableName tableName = TableName.valueOf("TestExpiredMobFileCleaner"); |
| private final static String family = "family"; |
| private final static byte[] row1 = Bytes.toBytes("row1"); |
| private final static byte[] row2 = Bytes.toBytes("row2"); |
| private final static byte[] qf = Bytes.toBytes("qf"); |
| |
| private static BufferedMutator table; |
| private static Admin admin; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| TEST_UTIL.getConfiguration().setInt("hfile.format.version", 3); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| TEST_UTIL.startMiniCluster(1); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| admin.disableTable(tableName); |
| admin.deleteTable(tableName); |
| admin.close(); |
| TEST_UTIL.shutdownMiniCluster(); |
| TEST_UTIL.getTestFileSystem().delete(TEST_UTIL.getDataTestDir(), true); |
| } |
| |
| private void init() throws Exception { |
| TableDescriptorBuilder tableDescriptorBuilder = |
| TableDescriptorBuilder.newBuilder(tableName); |
| ColumnFamilyDescriptor columnFamilyDescriptor = |
| ColumnFamilyDescriptorBuilder |
| .newBuilder(Bytes.toBytes(family)) |
| .setMobEnabled(true) |
| .setMobThreshold(3L) |
| .setMaxVersions(4) |
| .build(); |
| tableDescriptorBuilder.setColumnFamily(columnFamilyDescriptor); |
| |
| admin = TEST_UTIL.getAdmin(); |
| admin.createTable(tableDescriptorBuilder.build()); |
| table = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration()) |
| .getBufferedMutator(tableName); |
| } |
| |
| private void modifyColumnExpiryDays(int expireDays) throws Exception { |
| ColumnFamilyDescriptorBuilder columnFamilyDescriptorBuilder = |
| ColumnFamilyDescriptorBuilder |
| .newBuilder(Bytes.toBytes(family)) |
| .setMobEnabled(true) |
| .setMobThreshold(3L); |
| // change ttl as expire days to make some row expired |
| int timeToLive = expireDays * secondsOfDay(); |
| columnFamilyDescriptorBuilder.setTimeToLive(timeToLive); |
| |
| admin.modifyColumnFamily(tableName, columnFamilyDescriptorBuilder.build()); |
| } |
| |
| private void putKVAndFlush(BufferedMutator table, byte[] row, byte[] value, long ts) |
| throws Exception { |
| |
| Put put = new Put(row, ts); |
| put.addColumn(Bytes.toBytes(family), qf, value); |
| table.mutate(put); |
| |
| table.flush(); |
| admin.flush(tableName); |
| } |
| |
| /** |
| * Creates a 3 day old hfile and an 1 day old hfile then sets expiry to 2 days. |
| * Verifies that the 3 day old hfile is removed but the 1 day one is still present |
| * after the expiry based cleaner is run. |
| */ |
| @Test |
| public void testCleaner() throws Exception { |
| init(); |
| |
| Path mobDirPath = MobUtils.getMobFamilyPath(TEST_UTIL.getConfiguration(), tableName, family); |
| |
| byte[] dummyData = makeDummyData(600); |
| long ts = System.currentTimeMillis() - 3 * secondsOfDay() * 1000; // 3 days before |
| putKVAndFlush(table, row1, dummyData, ts); |
| FileStatus[] firstFiles = TEST_UTIL.getTestFileSystem().listStatus(mobDirPath); |
| //the first mob file |
| assertEquals("Before cleanup without delay 1", 1, firstFiles.length); |
| String firstFile = firstFiles[0].getPath().getName(); |
| |
| ts = System.currentTimeMillis() - 1 * secondsOfDay() * 1000; // 1 day before |
| putKVAndFlush(table, row2, dummyData, ts); |
| FileStatus[] secondFiles = TEST_UTIL.getTestFileSystem().listStatus(mobDirPath); |
| //now there are 2 mob files |
| assertEquals("Before cleanup without delay 2", 2, secondFiles.length); |
| String f1 = secondFiles[0].getPath().getName(); |
| String f2 = secondFiles[1].getPath().getName(); |
| String secondFile = f1.equals(firstFile) ? f2 : f1; |
| |
| modifyColumnExpiryDays(2); // ttl = 2, make the first row expired |
| |
| //run the cleaner |
| String[] args = new String[2]; |
| args[0] = tableName.getNameAsString(); |
| args[1] = family; |
| ToolRunner.run(TEST_UTIL.getConfiguration(), new ExpiredMobFileCleaner(), args); |
| |
| FileStatus[] filesAfterClean = TEST_UTIL.getTestFileSystem().listStatus(mobDirPath); |
| String lastFile = filesAfterClean[0].getPath().getName(); |
| //the first mob fie is removed |
| assertEquals("After cleanup without delay 1", 1, filesAfterClean.length); |
| assertEquals("After cleanup without delay 2", secondFile, lastFile); |
| } |
| |
| private int secondsOfDay() { |
| return 24 * 3600; |
| } |
| |
| private byte[] makeDummyData(int size) { |
| byte [] dummyData = new byte[size]; |
| new Random().nextBytes(dummyData); |
| return dummyData; |
| } |
| } |