[Python] How to check if pyspark dataframe is empty QUICKLY

I'm trying to check if my pyspark dataframe is empty and I have tried different ways to do that, like:

df.count() == 0
df.rdd.isEmpty()
df.first().isEmpty()


But all this solutions are to slow, taking up to 2 minutes to run. How can I quicly check if my pyspark dataframe is empty or not? Do anyone have a solution for that?

Thank you in advance!

Continue reading...