| /** |
| * 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.replication.regionserver; |
| |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.hadoop.hbase.CompatibilitySingletonFactory; |
| |
| /** |
| * This class is for maintaining the various replication statistics for a sink and publishing them |
| * through the metrics interfaces. |
| */ |
| @InterfaceAudience.Private |
| public class MetricsSink { |
| |
| private long lastTimestampForAge = System.currentTimeMillis(); |
| private long startTimestamp = System.currentTimeMillis(); |
| private final MetricsReplicationSinkSource mss; |
| |
| public MetricsSink() { |
| mss = |
| CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class).getSink(); |
| } |
| |
| /** |
| * Set the age of the last applied operation |
| * |
| * @param timestamp The timestamp of the last operation applied. |
| * @return the age that was set |
| */ |
| public long setAgeOfLastAppliedOp(long timestamp) { |
| long age = 0; |
| if (lastTimestampForAge != timestamp) { |
| lastTimestampForAge = timestamp; |
| age = System.currentTimeMillis() - lastTimestampForAge; |
| } |
| mss.setLastAppliedOpAge(age); |
| return age; |
| } |
| |
| /** |
| * Refreshing the age makes sure the value returned is the actual one and |
| * not the one set a replication time |
| * @return refreshed age |
| */ |
| public long refreshAgeOfLastAppliedOp() { |
| return setAgeOfLastAppliedOp(lastTimestampForAge); |
| } |
| |
| /** |
| * Convience method to change metrics when a batch of operations are applied. |
| * |
| * @param batchSize |
| */ |
| public void applyBatch(long batchSize) { |
| mss.incrAppliedBatches(1); |
| mss.incrAppliedOps(batchSize); |
| } |
| |
| /** |
| * Convience method to change metrics when a batch of operations are applied. |
| * |
| * @param batchSize total number of mutations that are applied/replicated |
| * @param hfileSize total number of hfiles that are applied/replicated |
| */ |
| public void applyBatch(long batchSize, long hfileSize) { |
| applyBatch(batchSize); |
| mss.incrAppliedHFiles(hfileSize); |
| } |
| |
| /** |
| * Get the Age of Last Applied Op |
| * @return ageOfLastAppliedOp |
| */ |
| public long getAgeOfLastAppliedOp() { |
| return mss.getLastAppliedOpAge(); |
| } |
| |
| /** |
| * Get the TimestampOfLastAppliedOp. If no replication Op applied yet, the value is the timestamp |
| * at which hbase instance starts |
| * @return timeStampsOfLastAppliedOp; |
| */ |
| public long getTimestampOfLastAppliedOp() { |
| return this.lastTimestampForAge; |
| } |
| |
| /** |
| * Gets the time stamp from when the Sink was initialized. |
| * @return startTimestamp |
| */ |
| public long getStartTimestamp() { |
| return this.startTimestamp; |
| } |
| |
| /** |
| * Gets the total number of OPs delivered to this sink. |
| * @return totalAplliedOps |
| */ |
| public long getAppliedOps() { |
| return this.mss.getSinkAppliedOps(); |
| } |
| |
| } |