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.

Examples

library(sparklyr)
sc <- spark_connect(master = "local") 
sdf_len(sc, 10) %>% 
  spark_write_parquet(path = "parquet-in") 
stream <- stream_read_parquet(sc, "parquet-in") %>% 
  stream_write_parquet("parquet-out") 
stream_stats(stream)