Where are you seeing that it works with Cassandra? There's no mention of it under https://arrow.apache.org/powered_by/, and on the homepage it says only says that a Cassandra developer worked on it.
We (unfortunately) don't do anything with it at the moment. On Wed, Jan 9, 2019 at 3:24 PM Tomas Bartalos <tomas.barta...@gmail.com> wrote: > I’ve read lot of nice things about Apache Arrow in-memory columnar format. > On their homepage they mention Cassandra as a possible storage which could > interoperate with Arrow. Unfortunately I was not able to find any working > example which would demonstrate their cooperation. > > *My use case:* I’m doing OLAP processing of data stored in Cassandra with > Spark. I need to deduplicate data with Cassandra’s upserts, so other > (more-suitable) storages like HDFS + parquet, ORC didn’t seem like an > option. > *What I’d like to achieve: *speed-up spark’s data ingestion from > Cassandra. > > Is it possible to query data from Cassandra in Arrow format ? > -- Jon Haddad http://www.rustyrazorblade.com twitter: rustyrazorblade
