viirya commented on a change in pull request #26060: [SPARK-29400][CORE]
Improve PrometheusResource to use labels
URL: https://github.com/apache/spark/pull/26060#discussion_r332815572
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File path:
core/src/main/scala/org/apache/spark/status/api/v1/PrometheusResource.scala
##########
@@ -40,30 +40,35 @@ private[v1] class PrometheusResource extends
ApiRequestContext {
def executors(): String = {
val sb = new StringBuilder
val store = uiRoot.asInstanceOf[SparkUI].store
- val appId = store.applicationInfo.id.replaceAll("[^a-zA-Z0-9]", "_")
store.executorList(true).foreach { executor =>
- val prefix = s"metrics_${appId}_${executor.id}_executor_"
- sb.append(s"${prefix}rddBlocks_Count ${executor.rddBlocks}\n")
- sb.append(s"${prefix}memoryUsed_Count ${executor.memoryUsed}\n")
- sb.append(s"${prefix}diskUsed_Count ${executor.diskUsed}\n")
- sb.append(s"${prefix}totalCores_Count ${executor.totalCores}\n")
- sb.append(s"${prefix}maxTasks_Count ${executor.maxTasks}\n")
- sb.append(s"${prefix}activeTasks_Count ${executor.activeTasks}\n")
- sb.append(s"${prefix}failedTasks_Count ${executor.failedTasks}\n")
- sb.append(s"${prefix}completedTasks_Count ${executor.completedTasks}\n")
- sb.append(s"${prefix}totalTasks_Count ${executor.totalTasks}\n")
- sb.append(s"${prefix}totalDuration_Value ${executor.totalDuration}\n")
- sb.append(s"${prefix}totalGCTime_Value ${executor.totalGCTime}\n")
- sb.append(s"${prefix}totalInputBytes_Count
${executor.totalInputBytes}\n")
- sb.append(s"${prefix}totalShuffleRead_Count
${executor.totalShuffleRead}\n")
- sb.append(s"${prefix}totalShuffleWrite_Count
${executor.totalShuffleWrite}\n")
- sb.append(s"${prefix}maxMemory_Count ${executor.maxMemory}\n")
+ val prefix = "metrics_executor_"
+ val labels = Seq(
+ "application_id" -> store.applicationInfo.id,
+ "application_name" -> store.applicationInfo.name,
+ "executor_id" -> executor.id
+ ).map { case (k, v) => s"""$k="$v"""" }.mkString("{", ", ", "}")
+ sb.append(s"${prefix}rddBlocks_Count$labels ${executor.rddBlocks}\n")
+ sb.append(s"${prefix}memoryUsed_Count$labels ${executor.memoryUsed}\n")
Review comment:
Not related to this PR. But why they all end with `_Count`? For `rddBlocks`,
it is ok, but some seems not suitable, like `memoryUsed_Count`.
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