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.thrift; 20 21 import org.apache.hadoop.hbase.metrics.BaseSource; 22 import org.apache.hadoop.hbase.metrics.JvmPauseMonitorSource; 23 24 /** 25 * Interface of a class that will export metrics about Thrift to hadoop's metrics2. 26 */ 27 public interface MetricsThriftServerSource extends BaseSource, JvmPauseMonitorSource { 28 29 String BATCH_GET_KEY = "batchGet"; 30 String BATCH_MUTATE_KEY = "batchMutate"; 31 String TIME_IN_QUEUE_KEY = "timeInQueue"; 32 String THRIFT_CALL_KEY = "thriftCall"; 33 String SLOW_THRIFT_CALL_KEY = "slowThriftCall"; 34 String CALL_QUEUE_LEN_KEY = "callQueueLen"; 35 36 /** 37 * Add how long an operation was in the queue. 38 * @param time 39 */ 40 void incTimeInQueue(long time); 41 42 /** 43 * Set the call queue length. 44 * @param len Time 45 */ 46 void setCallQueueLen(int len); 47 48 /** 49 * Add how many keys were in a batch get. 50 * @param diff Num Keys 51 */ 52 void incNumRowKeysInBatchGet(int diff); 53 54 /** 55 * Add how many keys were in a batch mutate. 56 * @param diff Num Keys 57 */ 58 void incNumRowKeysInBatchMutate(int diff); 59 60 /** 61 * Add how long a method took 62 * @param name Method name 63 * @param time Time 64 */ 65 void incMethodTime(String name, long time); 66 67 /** 68 * Add how long a call took 69 * @param time Time 70 */ 71 void incCall(long time); 72 73 /** 74 * Increment how long a slow call took. 75 * @param time Time 76 */ 77 void incSlowCall(long time); 78 79 }