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Add plugin to use Pyroscope agents for monitoring Spark workloads
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package ch.cern | ||
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import io.pyroscope.javaagent.PyroscopeAgent | ||
import io.pyroscope.javaagent.EventType | ||
import io.pyroscope.javaagent.config.Config | ||
import io.pyroscope.http.Format | ||
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import java.net.InetAddress | ||
import java.util.{Map => JMap} | ||
import scala.collection.JavaConverters._ | ||
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import org.apache.spark.api.plugin.{DriverPlugin, ExecutorPlugin, PluginContext, SparkPlugin} | ||
import org.apache.spark.SparkContext | ||
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/** | ||
* Use this Plugin to configure Pyroscope java agent data collection on Spark executors | ||
* See https://grafana.com/docs/pyroscope/latest/configure-client/language-sdks/java/ | ||
* | ||
* This plugin adds the following configurations: | ||
* --conf spark.pyroscope.server - > default "http://localhost:4040", update to match the server name and port used by Pyroscope | ||
* --conf spark.pyroscope.applicationName -> default spark.conf.get("spark.app.id") | ||
* --conf spark.pyroscope.eventType -> default ITIMER, possible values ITIMER, CPU, WALL, ALLOC, LOCK | ||
*/ | ||
class PyroscopePlugin extends SparkPlugin { | ||
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// Return the plugin's driver-side component. | ||
override def driverPlugin(): DriverPlugin = { | ||
new DriverPlugin() { | ||
override def init(sc: SparkContext, myContext: PluginContext): JMap[String, String] = { | ||
Map.empty[String, String].asJava | ||
} | ||
} | ||
} | ||
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// Return the plugin's executor-side component. | ||
// This implements an executor plugin to set up the configuration for Pyroscope | ||
override def executorPlugin(): ExecutorPlugin = { | ||
new ExecutorPlugin() { | ||
override def init(myContext: PluginContext, extraConf: JMap[String, String]): Unit = { | ||
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// Pyroscope server URL, match the URL with your Pyroscope runtime | ||
val pyroscopeServerUrl = myContext.conf.get("spark.pyroscope.server", "http://localhost:4040") | ||
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// this will be used for the application name | ||
// note, in local mode spark.app.id in null, we use "local" to handle the case | ||
val pyroscopeApplicationName = myContext.conf.get("spark.pyroscope.applicationName", | ||
myContext.conf.get("spark.app.id", "local")) | ||
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val executorId = myContext.executorID | ||
val localHostname = InetAddress.getLocalHost.getHostName | ||
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// this sets the event type to profile, default ITIMER, possible values ITIMER, CPU, WALL, ALLOC, LOCK | ||
val pyroscopeEventType = myContext.conf.get("spark.pyroscope.eventType", "ITIMER") | ||
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val eventType = pyroscopeEventType.toUpperCase match { | ||
case "ITIMER" => EventType.ITIMER | ||
case "CPU" => EventType.CPU | ||
case "WALL" => EventType.WALL | ||
case "ALLOC" => EventType.ALLOC | ||
case "LOCK" => EventType.LOCK | ||
case _ => throw new IllegalArgumentException(s"Invalid event type: $pyroscopeEventType") | ||
} | ||
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PyroscopeAgent.start( | ||
new Config.Builder() | ||
.setApplicationName(pyroscopeApplicationName) | ||
.setProfilingEvent(eventType) | ||
.setFormat(Format.JFR) | ||
.setServerAddress(pyroscopeServerUrl) | ||
.setLabels(Map("executorId" -> executorId.toString, "hostname" -> localHostname).asJava) | ||
.build() | ||
) | ||
} | ||
} | ||
} | ||
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} |