| /* |
| * 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.replication; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.CellScanner; |
| import org.apache.hadoop.hbase.ScheduledChore; |
| import org.apache.hadoop.hbase.Server; |
| import org.apache.hadoop.hbase.Stoppable; |
| import org.apache.hadoop.hbase.regionserver.ReplicationSinkService; |
| import org.apache.hadoop.hbase.replication.regionserver.ReplicationLoad; |
| import org.apache.hadoop.hbase.replication.regionserver.ReplicationSink; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.apache.hadoop.hbase.wal.WALProvider; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos; |
| |
| @InterfaceAudience.Private |
| public class ReplicationSinkServiceImpl implements ReplicationSinkService { |
| private static final Logger LOG = LoggerFactory.getLogger(ReplicationSinkServiceImpl.class); |
| |
| private Configuration conf; |
| |
| private Server server; |
| |
| private ReplicationSink replicationSink; |
| |
| // ReplicationLoad to access replication metrics |
| private ReplicationLoad replicationLoad; |
| |
| private int statsPeriodInSecond; |
| |
| @Override |
| public void replicateLogEntries(List<AdminProtos.WALEntry> entries, CellScanner cells, |
| String replicationClusterId, String sourceBaseNamespaceDirPath, |
| String sourceHFileArchiveDirPath) throws IOException { |
| this.replicationSink.replicateEntries(entries, cells, replicationClusterId, |
| sourceBaseNamespaceDirPath, sourceHFileArchiveDirPath); |
| } |
| |
| @Override |
| public void initialize(Server server, FileSystem fs, Path logdir, Path oldLogDir, |
| WALFactory walFactory) throws IOException { |
| this.server = server; |
| this.conf = server.getConfiguration(); |
| this.statsPeriodInSecond = |
| this.conf.getInt("replication.stats.thread.period.seconds", 5 * 60); |
| this.replicationLoad = new ReplicationLoad(); |
| } |
| |
| @Override |
| public void startReplicationService() throws IOException { |
| this.replicationSink = new ReplicationSink(this.conf); |
| this.server.getChoreService().scheduleChore( |
| new ReplicationStatisticsChore("ReplicationSinkStatistics", server, |
| (int) TimeUnit.SECONDS.toMillis(statsPeriodInSecond))); |
| } |
| |
| @Override |
| public void stopReplicationService() { |
| if (this.replicationSink != null) { |
| this.replicationSink.stopReplicationSinkServices(); |
| } |
| } |
| |
| @Override |
| public ReplicationLoad refreshAndGetReplicationLoad() { |
| if (replicationLoad == null) { |
| return null; |
| } |
| // always build for latest data |
| replicationLoad.buildReplicationLoad(Collections.emptyList(), replicationSink.getSinkMetrics()); |
| return replicationLoad; |
| } |
| |
| private final class ReplicationStatisticsChore extends ScheduledChore { |
| |
| ReplicationStatisticsChore(String name, Stoppable stopper, int period) { |
| super(name, stopper, period); |
| } |
| |
| @Override |
| protected void chore() { |
| printStats(replicationSink.getStats()); |
| } |
| |
| private void printStats(String stats) { |
| if (!stats.isEmpty()) { |
| LOG.info(stats); |
| } |
| } |
| } |
| } |