MaxGekk commented on a change in pull request #20793:
[SPARK-23643][CORE][SQL][ML] Shrinking the buffer in hashSeed up to size of the
seed parameter
URL: https://github.com/apache/spark/pull/20793#discussion_r267973780
##########
File path: R/pkg/tests/fulltests/test_mllib_recommendation.R
##########
@@ -33,7 +33,7 @@ test_that("spark.als", {
test <- createDataFrame(list(list(0, 2), list(1, 0), list(2, 0)), c("user",
"item"))
predictions <- collect(predict(model, test))
- expect_equal(predictions$prediction, c(-0.1380762, 2.6258414, -1.5018409),
+ expect_equal(predictions$prediction, c(0.6929101, 3.4735692, -0.8991987),
Review comment:
Unfortunately it causes stack overflow:
```
ava.lang.StackOverflowError
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:1230)
```
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