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Posted to commits@hbase.apache.org by st...@apache.org on 2011/08/27 06:26:19 UTC
svn commit: r1162296 -
/hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java
Author: stack
Date: Sat Aug 27 04:26:19 2011
New Revision: 1162296
URL: http://svn.apache.org/viewvc?rev=1162296&view=rev
Log:
HBASE-3900 Expose progress of a major compaction in UI and/or in shell
Added:
hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java
Added: hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java?rev=1162296&view=auto
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java (added)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.java Sat Aug 27 04:26:19 2011
@@ -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.
+ *
+ * <p>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;
+ }
+
+}