/**
* 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 org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.hadoop.hbase.CategoryBasedTimeout;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests;
import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
import org.apache.hadoop.hbase.wal.WALFactory;
import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TestRule;
@Category({ VerySlowRegionServerTests.class, LargeTests.class })
public class TestAsyncLogRolling extends AbstractTestLogRolling {
@Rule public final TestRule timeout = CategoryBasedTimeout.builder().withTimeout(this.getClass()).
withLookingForStuckThread(true).build();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
Configuration conf = TestAsyncLogRolling.TEST_UTIL.getConfiguration();
conf.setInt(AsyncFSWAL.ASYNC_WAL_CREATE_MAX_RETRIES, 100);
conf.set(WALFactory.WAL_PROVIDER, "asyncfs");
AbstractTestLogRolling.setUpBeforeClass();
}
@Test(timeout = 180000)
public void testLogRollOnDatanodeDeath() throws IOException, InterruptedException {
dfsCluster.startDataNodes(TEST_UTIL.getConfiguration(), 3, true, null, null);
tableName = getName();
Table table = createTestTable(tableName);
TEST_UTIL.waitUntilAllRegionsAssigned(table.getName());
doPut(table, 1);
server = TEST_UTIL.getRSForFirstRegionInTable(table.getName());
HRegionInfo hri = server.getOnlineRegions(table.getName()).get(0).getRegionInfo();
AsyncFSWAL wal = (AsyncFSWAL) server.getWAL(hri);
int numRolledLogFiles = AsyncFSWALProvider.getNumRolledLogFiles(wal);
DatanodeInfo[] dnInfos = wal.getPipeline();
DataNodeProperties dnProp = TEST_UTIL.getDFSCluster().stopDataNode(dnInfos[0].getName());
TEST_UTIL.getDFSCluster().restartDataNode(dnProp);
doPut(table, 2);
assertEquals(numRolledLogFiles + 1, AsyncFSWALProvider.getNumRolledLogFiles(wal));
}
}