HBASE-15181 adds TestCompactionPolicy which was missing in first commit
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tedyu
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hbase.regionserver;
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import com.google.common.collect.Lists;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hbase.HBaseTestingUtility;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HRegionInfo;
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import org.apache.hadoop.hbase.HTableDescriptor;
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import org.apache.hadoop.hbase.TableName;
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import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;
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import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
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import org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy;
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import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
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import org.apache.hadoop.hbase.testclassification.SmallTests;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.FSUtils;
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import org.junit.After;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.experimental.categories.Category;
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@Category(SmallTests.class)
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public class TestCompactionPolicy {
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private final static Log LOG = LogFactory.getLog(TestDefaultCompactSelection.class);
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protected final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
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protected Configuration conf;
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protected HStore store;
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private static final String DIR = TEST_UTIL.getDataTestDir(
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TestDefaultCompactSelection.class.getSimpleName()).toString();
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protected static Path TEST_FILE;
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protected static final int minFiles = 3;
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protected static final int maxFiles = 5;
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protected static final long minSize = 10;
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protected static final long maxSize = 2100;
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private FSHLog hlog;
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private HRegion region;
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@Before
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public void setUp() throws Exception {
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config();
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initialize();
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}
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/**
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* setup config values necessary for store
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*/
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protected void config() {
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this.conf = TEST_UTIL.getConfiguration();
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this.conf.setLong(HConstants.MAJOR_COMPACTION_PERIOD, 0);
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this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_KEY, minFiles);
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this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_KEY, maxFiles);
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this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_SIZE_KEY, minSize);
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this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_SIZE_KEY, maxSize);
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this.conf.setFloat(CompactionConfiguration.HBASE_HSTORE_COMPACTION_RATIO_KEY, 1.0F);
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}
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/**
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* Setting up a Store
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* @throws IOException with error
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*/
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protected void initialize() throws IOException {
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Path basedir = new Path(DIR);
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String logName = "logs";
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Path logdir = new Path(DIR, logName);
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HColumnDescriptor hcd = new HColumnDescriptor(Bytes.toBytes("family"));
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FileSystem fs = FileSystem.get(conf);
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fs.delete(logdir, true);
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HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(Bytes.toBytes("table")));
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htd.addFamily(hcd);
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HRegionInfo info = new HRegionInfo(htd.getTableName(), null, null, false);
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hlog = new FSHLog(fs, basedir, logName, conf);
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region = HRegion.createHRegion(info, basedir, conf, htd, hlog);
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region.close();
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Path tableDir = FSUtils.getTableDir(basedir, htd.getTableName());
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region = new HRegion(tableDir, hlog, fs, conf, info, htd, null);
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store = new HStore(region, hcd, conf);
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TEST_FILE = region.getRegionFileSystem().createTempName();
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fs.createNewFile(TEST_FILE);
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}
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@After
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public void tearDown() throws IOException {
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IOException ex = null;
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try {
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region.close();
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} catch (IOException e) {
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LOG.warn("Caught Exception", e);
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ex = e;
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}
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try {
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hlog.close();
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} catch (IOException e) {
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LOG.warn("Caught Exception", e);
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ex = e;
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}
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if (ex != null) {
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throw ex;
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}
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}
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ArrayList<Long> toArrayList(long... numbers) {
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ArrayList<Long> result = new ArrayList<Long>();
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for (long i : numbers) {
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result.add(i);
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}
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return result;
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}
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List<StoreFile> sfCreate(long... sizes) throws IOException {
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ArrayList<Long> ageInDisk = new ArrayList<Long>();
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for (int i = 0; i < sizes.length; i++) {
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ageInDisk.add(0L);
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}
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return sfCreate(toArrayList(sizes), ageInDisk);
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}
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List<StoreFile> sfCreate(ArrayList<Long> sizes, ArrayList<Long> ageInDisk) throws IOException {
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return sfCreate(false, sizes, ageInDisk);
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}
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List<StoreFile> sfCreate(boolean isReference, long... sizes) throws IOException {
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ArrayList<Long> ageInDisk = new ArrayList<Long>(sizes.length);
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for (int i = 0; i < sizes.length; i++) {
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ageInDisk.add(0L);
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}
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return sfCreate(isReference, toArrayList(sizes), ageInDisk);
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}
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List<StoreFile> sfCreate(boolean isReference, ArrayList<Long> sizes, ArrayList<Long> ageInDisk)
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throws IOException {
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List<StoreFile> ret = Lists.newArrayList();
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for (int i = 0; i < sizes.size(); i++) {
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ret.add(new MockStoreFile(TEST_UTIL, TEST_FILE, sizes.get(i), ageInDisk.get(i), isReference,
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i));
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}
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return ret;
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}
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long[] getSizes(List<StoreFile> sfList) {
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long[] aNums = new long[sfList.size()];
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for (int i = 0; i < sfList.size(); ++i) {
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aNums[i] = sfList.get(i).getReader().length();
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}
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return aNums;
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}
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void compactEquals(List<StoreFile> candidates, long... expected) throws IOException {
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compactEquals(candidates, false, false, expected);
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}
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void compactEquals(List<StoreFile> candidates, boolean forcemajor, long... expected)
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throws IOException {
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compactEquals(candidates, forcemajor, false, expected);
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}
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void compactEquals(List<StoreFile> candidates, boolean forcemajor, boolean isOffPeak,
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long... expected) throws IOException {
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store.forceMajor = forcemajor;
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// Test Default compactions
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CompactionRequest result =
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((RatioBasedCompactionPolicy) store.storeEngine.getCompactionPolicy()).selectCompaction(
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candidates, new ArrayList<StoreFile>(), false, isOffPeak, forcemajor);
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List<StoreFile> actual = new ArrayList<StoreFile>(result.getFiles());
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if (isOffPeak && !forcemajor) {
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Assert.assertTrue(result.isOffPeak());
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}
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Assert.assertEquals(Arrays.toString(expected), Arrays.toString(getSizes(actual)));
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store.forceMajor = false;
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}
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}
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