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HBASE-25086 Refactor Replication: move the default ReplicationSinkSer…
…vice implementation out (#2444) Signed-off-by: meiyi <myimeiyi@gmail.com>
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115
...-server/src/main/java/org/apache/hadoop/hbase/replication/ReplicationSinkServiceImpl.java
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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 | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.hadoop.hbase.replication; | ||
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| import java.io.IOException; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
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| 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.WALProvider; | ||
| import org.apache.yetus.audience.InterfaceAudience; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos; | ||
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| @InterfaceAudience.Private | ||
| public class ReplicationSinkServiceImpl implements ReplicationSinkService { | ||
| private static final Logger LOG = LoggerFactory.getLogger(ReplicationSinkServiceImpl.class); | ||
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| private Configuration conf; | ||
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| private Server server; | ||
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| private ReplicationSink replicationSink; | ||
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| // ReplicationLoad to access replication metrics | ||
| private ReplicationLoad replicationLoad; | ||
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| private int statsPeriod; | ||
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| @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); | ||
| } | ||
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| @Override | ||
| public void initialize(Server server, FileSystem fs, Path logdir, Path oldLogDir, | ||
| WALProvider walProvider) throws IOException { | ||
| this.server = server; | ||
| this.conf = server.getConfiguration(); | ||
| this.statsPeriod = | ||
| this.conf.getInt("replication.stats.thread.period.seconds", 5 * 60); | ||
| this.replicationLoad = new ReplicationLoad(); | ||
| } | ||
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| @Override | ||
| public void startReplicationService() throws IOException { | ||
| this.replicationSink = new ReplicationSink(this.conf); | ||
| this.server.getChoreService().scheduleChore( | ||
| new ReplicationStatisticsChore("ReplicationSinkStatistics", server, statsPeriod)); | ||
| } | ||
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| @Override | ||
| public void stopReplicationService() { | ||
| if (this.replicationSink != null) { | ||
| this.replicationSink.stopReplicationSinkServices(); | ||
| } | ||
| } | ||
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| @Override | ||
| public ReplicationLoad refreshAndGetReplicationLoad() { | ||
| if (replicationLoad == null) { | ||
| return null; | ||
| } | ||
| // always build for latest data | ||
| replicationLoad.buildReplicationLoad(Collections.emptyList(), replicationSink.getSinkMetrics()); | ||
| return replicationLoad; | ||
| } | ||
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| private final class ReplicationStatisticsChore extends ScheduledChore { | ||
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| ReplicationStatisticsChore(String name, Stoppable stopper, int period) { | ||
| super(name, stopper, period); | ||
| } | ||
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| @Override | ||
| protected void chore() { | ||
| printStats(replicationSink.getStats()); | ||
| } | ||
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| private void printStats(String stats) { | ||
| if (!stats.isEmpty()) { | ||
| LOG.info(stats); | ||
| } | ||
| } | ||
| } | ||
| } |
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