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• util-stats_2.11
• 6.34.0
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• StatsRegistry.scala

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com.twitter.finagle.stats.StatsRegistry.scala Maven / Gradle / Ivy

package com.twitter.finagle.stats

/**
 * Interface used via the LoadService mechanism to obtain an
 * efficient mechanism to sample stats.
 */
private[twitter] trait StatsRegistry {
  def apply(): Map[String, StatEntry]
}

private[twitter] trait StatEntry {
  /**
   * The delta since the entry was last sampled.
   * Note, this field is identical to `value` for
   * instantaneous entries (ex. gauges).
   */
  val delta: Double

  /** The instantaneous value of the entry. */
  val value: Double
}