Github user hlin09 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5493#discussion_r28263584
--- 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 --
It creates a path name, and Spark will create the directory according a
specific file system. On my local test, checkpoint seems to work as I can see
the checkpoint directory with data. But still, I can create a directory in R,
and pass it to the setCheckpointDir().
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