Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5559#discussion_r28641435
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/ReceiverSuite.scala ---
@@ -176,7 +176,7 @@ class ReceiverSuite extends TestSuiteBase with Timeouts
with Serializable {
blockGenerator.addData(count)
generatedData += count
count += 1
- Thread.sleep(1)
+ Thread.`yield`()
--- End diff --
Unless I'm about to learn some crazy new syntax, this won't compile.
`Thread.yield()`? but if the point is that this loop needs to happen "really
fast" then just remove it? I get that this will flood the block generator much
much more rapidly, but that might have already been happening with `yield()`.
In any event, if you just want to wait less than a millisecond, you can call
`Thread.sleep(0, [# nanoseconds])`.
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