diff --git a/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java b/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java new file mode 100644 index 00000000000..9bc66e1413f --- /dev/null +++ b/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java @@ -0,0 +1,53 @@ +/** + * Copyright 2011 The Apache Software Foundation + * + * 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.compactions; + +/** + * This class holds information relevant for tracking the progress of a + * compaction. + * + *

The metrics tracked allow one to calculate the percent completion of the + * compaction based on the number of Key/Value pairs already compacted vs. + * total amount scheduled to be compacted. + * + */ +public class CompactionProgress { + + /** the total compacting key values in currently running compaction */ + public long totalCompactingKVs; + /** the completed count of key values in currently running compaction */ + public long currentCompactedKVs = 0; + + /** Constructor + * @param totalCompactingKVs the total Key/Value pairs to be compacted + */ + public CompactionProgress(long totalCompactingKVs) { + this.totalCompactingKVs = totalCompactingKVs; + } + + /** getter for calculated percent complete + * @return float + */ + public float getProgressPct() { + return currentCompactedKVs / totalCompactingKVs; + } + +}