/** * 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.hbtop.mode; import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; import org.apache.hadoop.hbase.ClusterMetrics; import org.apache.hadoop.hbase.TableName; import org.apache.hadoop.hbase.hbtop.Record; import org.apache.hadoop.hbase.hbtop.RecordFilter; import org.apache.hadoop.hbase.hbtop.field.Field; import org.apache.hadoop.hbase.hbtop.field.FieldInfo; import org.apache.yetus.audience.InterfaceAudience; /** * Implementation for {@link ModeStrategy} for Table Mode. */ @InterfaceAudience.Private public final class TableModeStrategy implements ModeStrategy { private final List<FieldInfo> fieldInfos = Arrays.asList( new FieldInfo(Field.NAMESPACE, 0, true), new FieldInfo(Field.TABLE, 0, true), new FieldInfo(Field.REGION_COUNT, 7, true), new FieldInfo(Field.REQUEST_COUNT_PER_SECOND, 10, true), new FieldInfo(Field.READ_REQUEST_COUNT_PER_SECOND, 10, true), new FieldInfo(Field.FILTERED_READ_REQUEST_COUNT_PER_SECOND, 8, true), new FieldInfo(Field.WRITE_REQUEST_COUNT_PER_SECOND, 10, true), new FieldInfo(Field.STORE_FILE_SIZE, 13, true), new FieldInfo(Field.UNCOMPRESSED_STORE_FILE_SIZE, 15, false), new FieldInfo(Field.NUM_STORE_FILES, 7, true), new FieldInfo(Field.MEM_STORE_SIZE, 11, true) ); private final RegionModeStrategy regionModeStrategy = new RegionModeStrategy(); TableModeStrategy() { } @Override public List<FieldInfo> getFieldInfos() { return fieldInfos; } @Override public Field getDefaultSortField() { return Field.REQUEST_COUNT_PER_SECOND; } @Override public List<Record> getRecords(ClusterMetrics clusterMetrics, List<RecordFilter> pushDownFilters) { // Get records from RegionModeStrategy and add REGION_COUNT field List<Record> records = regionModeStrategy.selectModeFieldsAndAddCountField(fieldInfos, regionModeStrategy.getRecords(clusterMetrics, pushDownFilters), Field.REGION_COUNT); // Aggregation by NAMESPACE field and TABLE field return records.stream() .collect(Collectors.groupingBy(r -> { String namespace = r.get(Field.NAMESPACE).asString(); String table = r.get(Field.TABLE).asString(); return TableName.valueOf(namespace, table); })) .entrySet().stream() .flatMap( e -> e.getValue().stream() .reduce(Record::combine) .map(Stream::of) .orElse(Stream.empty())) .collect(Collectors.toList()); } @Override public DrillDownInfo drillDown(Record selectedRecord) { List<RecordFilter> initialFilters = Arrays.asList( RecordFilter.newBuilder(Field.NAMESPACE).doubleEquals(selectedRecord.get(Field.NAMESPACE)), RecordFilter.newBuilder(Field.TABLE).doubleEquals(selectedRecord.get(Field.TABLE))); return new DrillDownInfo(Mode.REGION, initialFilters); } }