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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
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package org.apache.hadoop.hbase.regionserver.wal;
import static junit.framework.Assert.assertEquals;
import java.io.IOException;
import java.util.List;
import java.util.Random;
import java.util.SortedMap;
import java.util.TreeMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.protobuf.RequestConverter;
import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.FlushRegionRequest;
import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdRequest;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.common.collect.Lists;
import com.google.protobuf.ServiceException;
@Category(MediumTests.class)
public class TestHLogFiltering {
private static final Log LOG = LogFactory.getLog(TestHLogFiltering.class);
private static final int NUM_MASTERS = 1;
private static final int NUM_RS = 4;
private static final TableName TABLE_NAME =
TableName.valueOf("TestHLogFiltering");
private static final byte[] CF1 = Bytes.toBytes("MyCF1");
private static final byte[] CF2 = Bytes.toBytes("MyCF2");
private static final byte[][] FAMILIES = { CF1, CF2 };
private HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
@Before
public void setUp() throws Exception {
TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
fillTable();
}
@After
public void tearDown() throws Exception {
TEST_UTIL.shutdownMiniCluster();
}
private void fillTable() throws IOException, InterruptedException {
HTable table = TEST_UTIL.createTable(TABLE_NAME, FAMILIES, 3,
Bytes.toBytes("row0"), Bytes.toBytes("row99"), NUM_RS);
Random rand = new Random(19387129L);
for (int iStoreFile = 0; iStoreFile < 4; ++iStoreFile) {
for (int iRow = 0; iRow < 100; ++iRow) {
final byte[] row = Bytes.toBytes("row" + iRow);
Put put = new Put(row);
Delete del = new Delete(row);
for (int iCol = 0; iCol < 10; ++iCol) {
final byte[] cf = rand.nextBoolean() ? CF1 : CF2;
final long ts = rand.nextInt();
final byte[] qual = Bytes.toBytes("col" + iCol);
if (rand.nextBoolean()) {
final byte[] value = Bytes.toBytes("value_for_row_" + iRow +
"_cf_" + Bytes.toStringBinary(cf) + "_col_" + iCol + "_ts_" +
ts + "_random_" + rand.nextLong());
put.add(cf, qual, ts, value);
} else if (rand.nextDouble() < 0.8) {
del.deleteColumn(cf, qual, ts);
} else {
del.deleteColumns(cf, qual, ts);
}
}
table.put(put);
table.delete(del);
table.flushCommits();
}
}
TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME);
}
@Test
public void testFlushedSequenceIdsSentToHMaster()
throws IOException, InterruptedException, ServiceException {
SortedMap<byte[], Long> allFlushedSequenceIds =
new TreeMap<byte[], Long>(Bytes.BYTES_COMPARATOR);
for (int i = 0; i < NUM_RS; ++i) {
flushAllRegions(i);
}
Thread.sleep(10000);
HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
for (int i = 0; i < NUM_RS; ++i) {
for (byte[] regionName : getRegionsByServer(i)) {
if (allFlushedSequenceIds.containsKey(regionName)) {
GetLastFlushedSequenceIdRequest req =
RequestConverter.buildGetLastFlushedSequenceIdRequest(regionName);
assertEquals((long)allFlushedSequenceIds.get(regionName),
master.getLastFlushedSequenceId(null, req).getLastFlushedSequenceId());
}
}
}
}
private List<byte[]> getRegionsByServer(int rsId) throws IOException {
List<byte[]> regionNames = Lists.newArrayList();
HRegionServer hrs = getRegionServer(rsId);
for (HRegion r : hrs.getOnlineRegions(TABLE_NAME)) {
regionNames.add(r.getRegionName());
}
return regionNames;
}
private HRegionServer getRegionServer(int rsId) {
return TEST_UTIL.getMiniHBaseCluster().getRegionServer(rsId);
}
private void flushAllRegions(int rsId)
throws ServiceException, IOException {
HRegionServer hrs = getRegionServer(rsId);
for (byte[] regionName : getRegionsByServer(rsId)) {
FlushRegionRequest request =
RequestConverter.buildFlushRegionRequest(regionName);
hrs.flushRegion(null, request);
}
}
}