Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/934#discussion_r35635387
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala ---
@@ -421,4 +421,16 @@ object AkkaUtils {
val duration = Duration(ConfigConstants.DEFAULT_AKKA_LOOKUP_TIMEOUT)
new FiniteDuration(duration.toMillis, TimeUnit.MILLISECONDS)
}
+
+ def getFramesize(config: Configuration): Long = config.getString(
+ ConfigConstants.AKKA_FRAMESIZE,
+ ConfigConstants.DEFAULT_AKKA_FRAMESIZE).replaceAll("[^\\d.]",
"").toLong
+
+ /**
+ * @return the threshold (in bytes) above which an object is considered
too big
+ * to transfer using akka. For now this parameter is set to 80%
of the
+ * akka.framesize.
+ * */
+ def getLargeAccumulatorThreshold(config: Configuration): Long =
+ (0.8 * getFramesize(config)).toLong
--- End diff --
Maybe this should be configurable.
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