Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/9593#discussion_r47820721
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/RateLimiter.scala
---
@@ -61,4 +62,21 @@ private[receiver] abstract class RateLimiter(conf:
SparkConf) extends Logging {
rateLimiter.setRate(newRate)
}
}
+
+ /**
+ * Get the initial rateLimit to initial rateLimiter
+ * @return
+ */
+ def getInitialRateLimit() : Long = {
+ if (RateController.isBackPressureEnabled(conf)) {
+ val initialRate =
conf.getLong("spark.streaming.backpressure.initialRate", 1000)
--- End diff --
The default value should be `maxRateLimit`. And here you can use one line
code, such as
```math.max(conf.getLong("spark.streaming.backpressure.initialRate",
maxRateLimit), maxRateLimit)```
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