hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsUserAggregate.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 package org.apache.hadoop.hbase.regionserver;
  20
  21 import org.apache.yetus.audience.InterfaceAudience;
  22
  23 @InterfaceAudience.Private
  24 public interface MetricsUserAggregate {
  25
  26   /**
  27    * @return return a singleton instance of MetricsUserAggregateSource or null in case of NoOp
  28    */
  29   MetricsUserAggregateSource getSource();
  30
  31   void updatePut(long t);
  32
  33   void updateDelete(long t);
  34
  35   void updateGet(long t);
  36
  37   void updateIncrement(long t);
  38
  39   void updateAppend(long t);
  40
  41   void updateReplay(long t);
  42
  43   void updateScanTime(long t);
  44
  45   void updateFilteredReadRequests();
  46
  47   void updateReadRequestCount();
  48 }