Thanks Sean, I am using PySpark. There seems to be some reports on foreach usage with local mode back on the 3rd March. For example, see
"Spark structured streaming seems to work on local mode only" I believe the thread owner was reporting on* foreach *case not foreachBatch. cheers *Disclaimer:* Use it at your own risk. Any and all responsibility for any loss, damage or destruction of data or any other property which may arise from relying on this email's technical content is explicitly disclaimed. The author will in no case be liable for any monetary damages arising from such loss, damage or destruction. On Tue, 9 Mar 2021 at 22:51, Sean Owen <sro...@gmail.com> wrote: > That should not be the case. See > https://spark.apache.org/docs/latest/structured-streaming-programming-guide.html#using-foreach-and-foreachbatch > Maybe you are calling .foreach on some Scala object inadvertently. > > On Tue, Mar 9, 2021 at 4:41 PM Mich Talebzadeh <mich.talebza...@gmail.com> > wrote: > >> Hi, >> >> When I use *foreachBatch *is Spark structured streaming, yarn mode works >> fine. >> >> When one switches to *foreach* mode (row by row processing), this >> effectively runs in local mode on a single JVM. It seems to crash when >> running in a distributed mode. That is my experience. >> >> Can someone else please verify this independently? >> >> Cheers >> >> >> >> >> LinkedIn * >> https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw >> <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* >> >> >> >> >> >> *Disclaimer:* Use it at your own risk. Any and all responsibility for >> any loss, damage or destruction of data or any other property which may >> arise from relying on this email's technical content is explicitly >> disclaimed. The author will in no case be liable for any monetary damages >> arising from such loss, damage or destruction. >> >> >> >
