| /* |
| * 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.accumulo.core.client.admin; |
| |
| import java.util.List; |
| |
| import org.apache.accumulo.core.client.IteratorSetting; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.data.TabletId; |
| |
| /** |
| * @since 1.5.0 |
| */ |
| public abstract class ActiveCompaction { |
| |
| public static enum CompactionType { |
| /** |
| * compaction to flush a tablets memory |
| */ |
| MINOR, |
| /** |
| * compaction to flush a tablets memory and merge it with the tablets smallest file. This type |
| * compaction is done when a tablet has too many files |
| */ |
| MERGE, |
| /** |
| * compaction that merges a subset of a tablets files into one file |
| */ |
| MAJOR, |
| /** |
| * compaction that merges all of a tablets files into one file |
| */ |
| FULL |
| } |
| |
| public static enum CompactionReason { |
| /** |
| * compaction initiated by user |
| */ |
| USER, |
| /** |
| * Compaction initiated by system |
| */ |
| SYSTEM, |
| /** |
| * Compaction initiated by merge operation |
| */ |
| CHOP, |
| /** |
| * idle compaction |
| */ |
| IDLE, |
| /** |
| * Compaction initiated to close a unload a tablet |
| */ |
| CLOSE |
| } |
| |
| /** |
| * |
| * @return name of the table the compaction is running against |
| */ |
| public abstract String getTable() throws TableNotFoundException; |
| |
| /** |
| * @return tablet that is compacting |
| * @since 1.7.0 |
| */ |
| public abstract TabletId getTablet(); |
| |
| /** |
| * @return how long the compaction has been running in milliseconds |
| */ |
| public abstract long getAge(); |
| |
| /** |
| * @return the files the compaction is reading from |
| */ |
| public abstract List<String> getInputFiles(); |
| |
| /** |
| * @return file compactions is writing too |
| */ |
| public abstract String getOutputFile(); |
| |
| /** |
| * @return the type of compaction |
| */ |
| public abstract CompactionType getType(); |
| |
| /** |
| * @return the reason the compaction was started |
| */ |
| public abstract CompactionReason getReason(); |
| |
| /** |
| * @return the locality group that is compacting |
| */ |
| public abstract String getLocalityGroup(); |
| |
| /** |
| * @return the number of key/values read by the compaction |
| */ |
| public abstract long getEntriesRead(); |
| |
| /** |
| * @return the number of key/values written by the compaction |
| */ |
| public abstract long getEntriesWritten(); |
| |
| /** |
| * @return the per compaction iterators configured |
| */ |
| public abstract List<IteratorSetting> getIterators(); |
| } |