Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/7471#discussion_r35177447
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/RateLimiter.scala
---
@@ -34,12 +34,26 @@ import org.apache.spark.{Logging, SparkConf}
*/
private[receiver] abstract class RateLimiter(conf: SparkConf) extends
Logging {
- private val desiredRate =
conf.getInt("spark.streaming.receiver.maxRate", 0)
- private lazy val rateLimiter = GuavaRateLimiter.create(desiredRate)
+ // treated as an upper limit
+ private val maxRateLimit =
conf.getLong("spark.streaming.receiver.maxRate", Long.MaxValue)
+ private lazy val rateLimiter =
GuavaRateLimiter.create(maxRateLimit.toDouble)
def waitToPush() {
- if (desiredRate > 0) {
- rateLimiter.acquire()
- }
+ rateLimiter.acquire()
}
+
+ /**
+ * Return the current rate limit. If no limit has been set so far, it
returns {{{Long.MaxValue}}}.
+ */
+ def getCurrentLimit: Long =
+ rateLimiter.getRate.toLong
+
+ private[receiver] def updateRate(newRate: Long): Unit =
--- End diff --
nit: Need a scala doc, for consistency
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