| /* |
| * |
| * 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.regionserver; |
| |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.executor.ExecutorType; |
| import org.apache.hadoop.hbase.io.ByteBuffAllocator; |
| import org.apache.hadoop.hbase.wal.WAL; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder; |
| |
| /** |
| * Services a Store needs from a Region. |
| * RegionServicesForStores class is the interface through which memstore access services at the |
| * region level. |
| * For example, when using alternative memory formats or due to compaction the memstore needs to |
| * take occasional lock and update size counters at the region level. |
| */ |
| @InterfaceAudience.Private |
| public class RegionServicesForStores { |
| |
| private final HRegion region; |
| private final RegionServerServices rsServices; |
| private int inMemoryPoolSize; |
| |
| public RegionServicesForStores(HRegion region, RegionServerServices rsServices) { |
| this.region = region; |
| this.rsServices = rsServices; |
| if (this.rsServices != null) { |
| this.inMemoryPoolSize = rsServices.getConfiguration().getInt( |
| CompactingMemStore.IN_MEMORY_CONPACTION_POOL_SIZE_KEY, |
| CompactingMemStore.IN_MEMORY_CONPACTION_POOL_SIZE_DEFAULT); |
| } |
| } |
| |
| public void addMemStoreSize(long dataSizeDelta, long heapSizeDelta, long offHeapSizeDelta, |
| int cellsCountDelta) { |
| region.incMemStoreSize(dataSizeDelta, heapSizeDelta, offHeapSizeDelta, cellsCountDelta); |
| } |
| |
| public RegionInfo getRegionInfo() { |
| return region.getRegionInfo(); |
| } |
| |
| public WAL getWAL() { |
| return region.getWAL(); |
| } |
| |
| private static ByteBuffAllocator ALLOCATOR_FOR_TEST; |
| |
| private static synchronized ByteBuffAllocator getAllocatorForTest() { |
| if (ALLOCATOR_FOR_TEST == null) { |
| ALLOCATOR_FOR_TEST = ByteBuffAllocator.HEAP; |
| } |
| return ALLOCATOR_FOR_TEST; |
| } |
| |
| public ByteBuffAllocator getByteBuffAllocator() { |
| if (rsServices != null && rsServices.getRpcServer() != null) { |
| return rsServices.getRpcServer().getByteBuffAllocator(); |
| } else { |
| return getAllocatorForTest(); |
| } |
| } |
| |
| private static ThreadPoolExecutor INMEMORY_COMPACTION_POOL_FOR_TEST; |
| |
| private static synchronized ThreadPoolExecutor getInMemoryCompactionPoolForTest() { |
| if (INMEMORY_COMPACTION_POOL_FOR_TEST == null) { |
| INMEMORY_COMPACTION_POOL_FOR_TEST = new ThreadPoolExecutor(10, 10, 60, TimeUnit.SECONDS, |
| new LinkedBlockingQueue<>(), new ThreadFactoryBuilder().setDaemon(true) |
| .setNameFormat("InMemoryCompactionsForTest-%d").build()); |
| } |
| return INMEMORY_COMPACTION_POOL_FOR_TEST; |
| } |
| |
| ThreadPoolExecutor getInMemoryCompactionPool() { |
| if (rsServices != null) { |
| return rsServices.getExecutorService().getExecutorLazily(ExecutorType.RS_IN_MEMORY_COMPACTION, |
| inMemoryPoolSize); |
| } else { |
| // this could only happen in tests |
| return getInMemoryCompactionPoolForTest(); |
| } |
| } |
| |
| public long getMemStoreFlushSize() { |
| return region.getMemStoreFlushSize(); |
| } |
| |
| public int getNumStores() { |
| return region.getTableDescriptor().getColumnFamilyCount(); |
| } |
| |
| long getMemStoreSize() { |
| return region.getMemStoreDataSize(); |
| } |
| } |