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.Collections; 022import java.util.List; 023import org.apache.hadoop.hbase.ClusterMetrics; 024import org.apache.hadoop.hbase.hbtop.Record; 025import org.apache.hadoop.hbase.hbtop.RecordFilter; 026import org.apache.hadoop.hbase.hbtop.field.Field; 027import org.apache.hadoop.hbase.hbtop.field.FieldInfo; 028import org.apache.yetus.audience.InterfaceAudience; 029 030/** 031 * Implementation for {@link ModeStrategy} for Namespace Mode. 032 */ 033@InterfaceAudience.Private 034public final class NamespaceModeStrategy implements ModeStrategy { 035 036 private final List<FieldInfo> fieldInfos = Arrays.asList(new FieldInfo(Field.NAMESPACE, 0, true), 037 new FieldInfo(Field.REGION_COUNT, 7, true), 038 new FieldInfo(Field.REQUEST_COUNT_PER_SECOND, 10, true), 039 new FieldInfo(Field.READ_REQUEST_COUNT_PER_SECOND, 10, true), 040 new FieldInfo(Field.FILTERED_READ_REQUEST_COUNT_PER_SECOND, 8, true), 041 new FieldInfo(Field.WRITE_REQUEST_COUNT_PER_SECOND, 10, true), 042 new FieldInfo(Field.STORE_FILE_SIZE, 13, true), 043 new FieldInfo(Field.UNCOMPRESSED_STORE_FILE_SIZE, 15, false), 044 new FieldInfo(Field.NUM_STORE_FILES, 7, true), new FieldInfo(Field.MEM_STORE_SIZE, 11, true)); 045 046 private final RegionModeStrategy regionModeStrategy = new RegionModeStrategy(); 047 048 NamespaceModeStrategy() { 049 } 050 051 @Override 052 public List<FieldInfo> getFieldInfos() { 053 return fieldInfos; 054 } 055 056 @Override 057 public Field getDefaultSortField() { 058 return Field.REQUEST_COUNT_PER_SECOND; 059 } 060 061 @Override 062 public List<Record> getRecords(ClusterMetrics clusterMetrics, 063 List<RecordFilter> pushDownFilters) { 064 // Get records from RegionModeStrategy and add REGION_COUNT field 065 List<Record> records = regionModeStrategy.selectModeFieldsAndAddCountField(fieldInfos, 066 regionModeStrategy.getRecords(clusterMetrics, pushDownFilters), Field.REGION_COUNT); 067 068 // Aggregation by NAMESPACE field 069 return ModeStrategyUtils.aggregateRecords(records, Field.NAMESPACE); 070 } 071 072 @Override 073 public DrillDownInfo drillDown(Record selectedRecord) { 074 List<RecordFilter> initialFilters = Collections.singletonList( 075 RecordFilter.newBuilder(Field.NAMESPACE).doubleEquals(selectedRecord.get(Field.NAMESPACE))); 076 return new DrillDownInfo(Mode.TABLE, initialFilters); 077 } 078}