001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.hbtop.mode; 019 020import java.util.Arrays; 021import java.util.List; 022import java.util.stream.Collectors; 023import java.util.stream.Stream; 024import org.apache.hadoop.hbase.ClusterMetrics; 025import org.apache.hadoop.hbase.TableName; 026import org.apache.hadoop.hbase.hbtop.Record; 027import org.apache.hadoop.hbase.hbtop.RecordFilter; 028import org.apache.hadoop.hbase.hbtop.field.Field; 029import org.apache.hadoop.hbase.hbtop.field.FieldInfo; 030import org.apache.yetus.audience.InterfaceAudience; 031 032 033/** 034 * Implementation for {@link ModeStrategy} for Table Mode. 035 */ 036@InterfaceAudience.Private 037public final class TableModeStrategy implements ModeStrategy { 038 039 private final List<FieldInfo> fieldInfos = Arrays.asList( 040 new FieldInfo(Field.NAMESPACE, 0, true), 041 new FieldInfo(Field.TABLE, 0, true), 042 new FieldInfo(Field.REGION_COUNT, 7, true), 043 new FieldInfo(Field.REQUEST_COUNT_PER_SECOND, 10, true), 044 new FieldInfo(Field.READ_REQUEST_COUNT_PER_SECOND, 10, true), 045 new FieldInfo(Field.FILTERED_READ_REQUEST_COUNT_PER_SECOND, 8, true), 046 new FieldInfo(Field.WRITE_REQUEST_COUNT_PER_SECOND, 10, true), 047 new FieldInfo(Field.STORE_FILE_SIZE, 13, true), 048 new FieldInfo(Field.UNCOMPRESSED_STORE_FILE_SIZE, 15, false), 049 new FieldInfo(Field.NUM_STORE_FILES, 7, true), 050 new FieldInfo(Field.MEM_STORE_SIZE, 11, true) 051 ); 052 053 private final RegionModeStrategy regionModeStrategy = new RegionModeStrategy(); 054 055 TableModeStrategy() { 056 } 057 058 @Override 059 public List<FieldInfo> getFieldInfos() { 060 return fieldInfos; 061 } 062 063 @Override 064 public Field getDefaultSortField() { 065 return Field.REQUEST_COUNT_PER_SECOND; 066 } 067 068 @Override public List<Record> getRecords(ClusterMetrics clusterMetrics, 069 List<RecordFilter> pushDownFilters) { 070 // Get records from RegionModeStrategy and add REGION_COUNT field 071 List<Record> records = regionModeStrategy.selectModeFieldsAndAddCountField(fieldInfos, 072 regionModeStrategy.getRecords(clusterMetrics, pushDownFilters), Field.REGION_COUNT); 073 074 // Aggregation by NAMESPACE field and TABLE field 075 return records.stream() 076 .collect(Collectors.groupingBy(r -> { 077 String namespace = r.get(Field.NAMESPACE).asString(); 078 String table = r.get(Field.TABLE).asString(); 079 return TableName.valueOf(namespace, table); 080 })) 081 .entrySet().stream() 082 .flatMap( 083 e -> e.getValue().stream() 084 .reduce(Record::combine) 085 .map(Stream::of) 086 .orElse(Stream.empty())) 087 .collect(Collectors.toList()); 088 } 089 090 @Override 091 public DrillDownInfo drillDown(Record selectedRecord) { 092 List<RecordFilter> initialFilters = Arrays.asList( 093 RecordFilter.newBuilder(Field.NAMESPACE).doubleEquals(selectedRecord.get(Field.NAMESPACE)), 094 RecordFilter.newBuilder(Field.TABLE).doubleEquals(selectedRecord.get(Field.TABLE))); 095 return new DrillDownInfo(Mode.REGION, initialFilters); 096 } 097}