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-- Best Regards! Kang

Re: Going it alone.

Well man, check your attitude, you’re way over the line > On Apr 16, 2020, at 13:26, jane thorpe wrote: > > F*U*C*K O*F*F > C*U*N*T*S > > > > On Thursday, 16 April 2020 Kelvin Qin > wrote: > > No wonder I said why I can't understand what the mail expresses, it

NullPointerException at FileBasedWriteAheadLogRandomReader

(WriteAheadLogBackedBlockRDD.scala:142) ... 50 more - Spark version: 2.4.4 - Hadoop version: 2.7.1 - spark conf - "spark.streaming.receiver.writeAheadLog.enable" -> "true" Did I do something wrong? Best regards, Minwoo Kang

ETL and workflow management on Spark

Hi, We are moving into adopting the full stack of Spark. So far, we have used Shark to do some ETL work, which is not bad but is not prefect either. We ended writing UDF and UDGF, UDAF that can be avoided if we could use Pig. Do you have any suggestions with the ETL solution in Spark stack? And

Hadoop 2.3 Centralized Cache vs RDD

Hi, Any comments or thoughts on the implications of the newly released feature from Hadoop 2.3 on the centralized cache? How different it is from RDD? Many thanks. Cao