Re: OLAP query using spark dataframe with cassandra

2015-11-10 Thread David Morales
work between daily increased large tables, >> for >> >> both spark sql and cassandra. I can see that the [1] use case facilitates >> FiloDB to achieve columnar storage and query performance, but we had >> nothing more >> >> knowledge. >> >>

Re: Spark Streaming Suggestion

2015-09-15 Thread David Morales
Storm writes the data to both cassandra and kafka, spark reads the >>> actual data from kafka , processes the data and writes to cassandra. >>> The second approach avoids additional hit of reading from cassandra >>> every minute , a device has written data to cassandra at the

Re: SPARKTA: a real-time aggregation engine based on Spark Streaming

2015-05-14 Thread David Morales
s used to be inherent to the > “commercial” vendors, but I can confirm as fact it is also in effect to the > “open source movement” (because human nature remains the same) > > > > *From:* David Morales [mailto:dmora...@stratio.com] > *Sent:* Thursday, May 14, 2015 4:30 PM >

Re: SPARKTA: a real-time aggregation engine based on Spark Streaming

2015-05-14 Thread David Morales
ery similar… I will contact you to > understand if we can contribute to you with some piece ! > > Best > > Paolo > > *Da:* Evo Eftimov > *Data invio:* ‎giovedì‎ ‎14‎ ‎maggio‎ ‎2015 ‎17‎:‎21 > *A:* 'David Morales' , Matei Zaharia > > *Cc:* user@spark.apac

Re: SPARKTA: a real-time aggregation engine based on Spark Streaming

2015-05-14 Thread David Morales
t;> Regards. > >> > >> > >> > >> -- > >> View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/SPARKTA-a-real-time-aggregation-engine-based-on-Spark-Streaming-tp22883.html > >> Sent from the Apache Spark User List mailing list archive at N