Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5493#discussion_r28261741
--- Diff: R/pkg/inst/tests/test_rdd.R ---
@@ -141,7 +141,8 @@ test_that("PipelinedRDD support actions: cache(),
persist(), unpersist(), checkp
unpersist(rdd2)
expect_false(rdd2@env$isCached)
- setCheckpointDir(sc, "checkpoints")
+ tempDir <- tempfile(pattern = "checkpoint")
--- End diff --
I am not sure if this is an issue, but does this create a file rather than
directory? the checkpoint may not work. Can you unlink the result and make a
directory out of it? or can `tempdir()` make a unique subdirectory?
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