[GitHub] [hbase] ddupg commented on a change in pull request #2111: HBASE-24683 Add a basic ReplicationServer which only implement Replic…

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ddupg commented on a change in pull request #2111:
URL: https://github.com/apache/hbase/pull/2111#discussion_r474468255



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/replication/HReplicationServer.java
##########
@@ -0,0 +1,683 @@
+/**
+ *
+ * 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.lang.reflect.Constructor;
+import java.net.InetSocketAddress;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.Abortable;
+import org.apache.hadoop.hbase.ChoreService;
+import org.apache.hadoop.hbase.CoordinatedStateManager;
+import org.apache.hadoop.hbase.DoNotRetryIOException;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.HBaseInterfaceAudience;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.Server;
+import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.TableDescriptors;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
+import org.apache.hadoop.hbase.client.ClusterConnectionFactory;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.RegionInfo;
+import org.apache.hadoop.hbase.client.locking.EntityLock;
+import org.apache.hadoop.hbase.executor.ExecutorService;
+import org.apache.hadoop.hbase.io.hfile.BlockCache;
+import org.apache.hadoop.hbase.ipc.RpcServerInterface;
+import org.apache.hadoop.hbase.log.HBaseMarkers;
+import org.apache.hadoop.hbase.mob.MobFileCache;
+import org.apache.hadoop.hbase.quotas.RegionServerRpcQuotaManager;
+import org.apache.hadoop.hbase.quotas.RegionServerSpaceQuotaManager;
+import org.apache.hadoop.hbase.quotas.RegionSizeStore;
+import org.apache.hadoop.hbase.regionserver.FlushRequester;
+import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.HeapMemoryManager;
+import org.apache.hadoop.hbase.regionserver.LeaseManager;
+import org.apache.hadoop.hbase.regionserver.MetricsRegionServer;
+import org.apache.hadoop.hbase.regionserver.Region;
+import org.apache.hadoop.hbase.regionserver.RegionServerAccounting;
+import org.apache.hadoop.hbase.regionserver.RegionServerServices;
+import org.apache.hadoop.hbase.regionserver.ReplicationService;
+import org.apache.hadoop.hbase.regionserver.ReplicationSinkService;
+import org.apache.hadoop.hbase.regionserver.ReplicationSourceService;
+import org.apache.hadoop.hbase.regionserver.SecureBulkLoadManager;
+import org.apache.hadoop.hbase.regionserver.ServerNonceManager;
+import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequester;
+import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;
+import org.apache.hadoop.hbase.security.User;
+import org.apache.hadoop.hbase.security.UserProvider;
+import org.apache.hadoop.hbase.security.access.AccessChecker;
+import org.apache.hadoop.hbase.security.access.ZKPermissionWatcher;
+import org.apache.hadoop.hbase.trace.TraceUtil;
+import org.apache.hadoop.hbase.util.Sleeper;
+import org.apache.hadoop.hbase.util.VersionInfo;
+import org.apache.hadoop.hbase.wal.WAL;
+import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
+import org.apache.hadoop.util.ReflectionUtils;
+import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
+
+import org.apache.hbase.thirdparty.com.google.protobuf.Service;
+
+/**
+ * HReplicationServer which is responsible to all replication stuff. It checks in with
+ * the HMaster. There are many HReplicationServers in a single HBase deployment.
+ */
+@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
+@SuppressWarnings({ "deprecation"})
+public class HReplicationServer extends Thread implements Server, RegionServerServices {

Review comment:
       Yean, let me remove `implements RegionServerServices`.




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