| // 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. |
| |
| #pragma once |
| |
| #include "kudu/gutil/ref_counted.h" |
| #include "kudu/util/metrics.h" |
| |
| namespace kudu { |
| class MonoDelta; |
| |
| // An utility class to help with keeping track of the MaintenanceManager-related |
| // metrics. |
| struct MaintenanceManagerMetrics { |
| explicit MaintenanceManagerMetrics(const scoped_refptr<MetricEntity>& entity); |
| |
| // Submit stats on the time spent choosing the best available maintenance |
| // operation among available candidates. The 'duration' parameter reflects |
| // the amount of time spent on finding the best candidate. |
| void SubmitOpFindDuration(const MonoDelta& duration); |
| |
| // Increment the 'op_prepare_failed' counter. |
| void SubmitOpPrepareFailed(); |
| |
| // Time spent on choosing the "best" maintenance operation among candidates. |
| scoped_refptr<Histogram> op_find_duration; |
| |
| // Number of times when running Prepare() failed on a maintenance operation. |
| scoped_refptr<Counter> op_prepare_failed; |
| }; |
| |
| } // namespace kudu |