| persist {SparkR} | R Documentation |
Persist this RDD with the specified storage level. For details of the supported storage levels, refer to http://spark.apache.org/docs/latest/programming-guide.html#rdd-persistence.
persist(rdd, newLevel)
## S4 method for signature 'RDD,character'
persist(rdd, newLevel = c("DISK_ONLY",
"DISK_ONLY_2", "MEMORY_AND_DISK", "MEMORY_AND_DISK_2", "MEMORY_AND_DISK_SER",
"MEMORY_AND_DISK_SER_2", "MEMORY_ONLY", "MEMORY_ONLY_2", "MEMORY_ONLY_SER",
"MEMORY_ONLY_SER_2", "OFF_HEAP"))
rdd |
The RDD to persist |
newLevel |
The new storage level to be assigned |
## Not run:
##D sc <- sparkR.init()
##D rdd <- parallelize(sc, 1:10, 2L)
##D persist(rdd, "MEMORY_AND_DISK")
## End(Not run)