library(sparklyr)
<- spark_connect(master = "local")
sc sdf_len(sc, 10) %>%
spark_write_parquet(path = "parquet-in")
<- stream_read_parquet(sc, "parquet-in") %>%
stream stream_write_parquet("parquet-out")
stream_stats(stream)
Stream Statistics
R/stream_view.R
stream_stats
Description
Collects streaming statistics, usually, to be used with stream_render()
to render streaming statistics.
Usage
stream_stats(stream, stats = list())
Arguments
Arguments | Description |
---|---|
stream | The stream to collect statistics from. |
stats | An optional stats object generated using stream_stats() . |
Value
A stats object containing streaming statistics that can be passed back to the stats
parameter to continue aggregating streaming stats.