001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.thrift; 019 020import org.apache.hadoop.hbase.metrics.ExceptionTrackingSource; 021import org.apache.hadoop.hbase.metrics.JvmPauseMonitorSource; 022import org.apache.yetus.audience.InterfaceAudience; 023 024/** 025 * Interface of a class that will export metrics about Thrift to hadoop's metrics2. 026 */ 027@InterfaceAudience.Private 028public interface MetricsThriftServerSource extends ExceptionTrackingSource, JvmPauseMonitorSource { 029 030 String BATCH_GET_KEY = "batchGet"; 031 String BATCH_MUTATE_KEY = "batchMutate"; 032 String TIME_IN_QUEUE_KEY = "timeInQueue"; 033 String THRIFT_CALL_KEY = "thriftCall"; 034 String SLOW_THRIFT_CALL_KEY = "slowThriftCall"; 035 String CALL_QUEUE_LEN_KEY = "callQueueLen"; 036 String ACTIVE_WORKER_COUNT_KEY = "numActiveWorkers"; 037 038 /** 039 * Add how long an operation was in the queue. n 040 */ 041 void incTimeInQueue(long time); 042 043 /** 044 * Set the call queue length. 045 * @param len Time 046 */ 047 void setCallQueueLen(int len); 048 049 /** 050 * Add how many keys were in a batch get. 051 * @param diff Num Keys 052 */ 053 void incNumRowKeysInBatchGet(int diff); 054 055 /** 056 * Add how many keys were in a batch mutate. 057 * @param diff Num Keys 058 */ 059 void incNumRowKeysInBatchMutate(int diff); 060 061 /** 062 * Add how long a method took 063 * @param name Method name 064 * @param time Time 065 */ 066 void incMethodTime(String name, long time); 067 068 /** 069 * Add how long a call took 070 * @param time Time 071 */ 072 void incCall(long time); 073 074 /** 075 * Increment how long a slow call took. 076 * @param time Time 077 */ 078 void incSlowCall(long time); 079 080 /** 081 * Increment number of active thrift workers. 082 */ 083 void incActiveWorkerCount(); 084 085 /** 086 * Decrement number of active thrift workers. 087 */ 088 void decActiveWorkerCount(); 089}