Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/15375#discussion_r82478407
--- Diff: R/pkg/R/context.R ---
@@ -126,13 +126,13 @@ parallelize <- function(sc, coll, numSlices = 1) {
if (numSlices > length(coll))
numSlices <- length(coll)
- sizeLimit <- .Machine$integer.max - 10240 # Safe margin bellow maximum
allocation limit
+ sizeLimit <- as.numeric(
--- End diff --
agreed, probably not a big deal, an user could set
`spark.r.maxAllocationLimit` to `0.01` though.
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