com.netflix.atlas.chart.GraphEngines.scala Maven / Gradle / Ivy
/*
* Copyright 2014-2024 Netflix, Inc.
*
* 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.netflix.atlas.chart
import java.time.ZoneOffset
import java.time.ZonedDateTime
import com.netflix.atlas.chart.model.GraphDef
import com.netflix.atlas.chart.model.LineDef
import com.netflix.atlas.chart.model.PlotDef
import com.netflix.atlas.core.model.DsType
import com.netflix.atlas.core.model.FunctionTimeSeq
import com.netflix.atlas.core.model.TimeSeries
import com.netflix.atlas.core.util.Streams
import org.openjdk.jmh.annotations.Benchmark
import org.openjdk.jmh.annotations.Scope
import org.openjdk.jmh.annotations.State
import org.openjdk.jmh.annotations.Threads
import org.openjdk.jmh.infra.Blackhole
/**
* Check performance of graph engines.
*
* ```
* > jmh:run -prof jmh.extras.JFR -wi 10 -i 10 -f1 -t1 .*GraphEngines.*
* ...
* [info] Benchmark Mode Cnt Score Error Units
* [info] GraphEngines.json thrpt 10 133984.991 ± 7703.042 ops/s
* [info] GraphEngines.v2json thrpt 10 142775.471 ± 6897.508 ops/s
* ```
*/
@State(Scope.Thread)
class GraphEngines {
val step = 60000
def constant(v: Double): TimeSeries = {
TimeSeries(Map("name" -> v.toString), new FunctionTimeSeq(DsType.Gauge, step, _ => v))
}
def constantSeriesDef(value: Double): LineDef = LineDef(constant(value))
private val data = PlotDef(List(constantSeriesDef(42), constantSeriesDef(1.0 / 3.0)))
private val graphDef = GraphDef(
plots = List(data),
startTime = ZonedDateTime.of(2012, 1, 1, 0, 0, 0, 0, ZoneOffset.UTC).toInstant,
endTime = ZonedDateTime.of(2012, 1, 1, 0, 12, 0, 0, ZoneOffset.UTC).toInstant
)
val json = new JsonGraphEngine()
val v2json = new V2JsonGraphEngine()
@Threads(1)
@Benchmark
def json(bh: Blackhole): Unit = {
val bytes = Streams.byteArray { out =>
json.write(graphDef, out)
}
bh.consume(bytes)
}
@Threads(1)
@Benchmark
def v2json(bh: Blackhole): Unit = {
val bytes = Streams.byteArray { out =>
v2json.write(graphDef, out)
}
bh.consume(bytes)
}
}