All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.google.gerrit.server.notedb.NoteDbMetrics Maven / Gradle / Ivy

There is a newer version: 3.10.1
Show newest version
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed 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 com.google.gerrit.server.notedb;

import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Description.Units;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.metrics.Timer0;
import com.google.inject.Inject;
import com.google.inject.Singleton;

/** Metrics for accessing and updating changes in NoteDb. */
@Singleton
class NoteDbMetrics {
  /** End-to-end latency for writing a collection of updates. */
  final Timer0 updateLatency;

  /**
   * The portion of {@link #updateLatency} due to preparing the sequence of updates.
   *
   * 

May include some I/O (e.g. reading old refs), but excludes writes. */ final Timer0 stageUpdateLatency; /** End-to-end latency for reading changes from NoteDb, including reading ref(s) and parsing. */ final Timer0 readLatency; /** * The portion of {@link #readLatency} due to parsing commits, but excluding I/O (to a best * effort). */ final Timer0 parseLatency; @Inject NoteDbMetrics(MetricMaker metrics) { updateLatency = metrics.newTimer( "notedb/update_latency", new Description("NoteDb update latency for changes") .setCumulative() .setUnit(Units.MILLISECONDS)); stageUpdateLatency = metrics.newTimer( "notedb/stage_update_latency", new Description("Latency for staging change updates to NoteDb") .setCumulative() .setUnit(Units.MICROSECONDS)); readLatency = metrics.newTimer( "notedb/read_latency", new Description("NoteDb read latency for changes") .setCumulative() .setUnit(Units.MILLISECONDS)); parseLatency = metrics.newTimer( "notedb/parse_latency", new Description("NoteDb parse latency for changes") .setCumulative() .setUnit(Units.MICROSECONDS)); } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy