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From Jonathan Haddad <>
Subject Re: Cassandra and Apache Arrow
Date Wed, 09 Jan 2019 23:38:38 GMT
Where are you seeing that it works with Cassandra?  There's no mention of
it under, 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 <>

> 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
twitter: rustyrazorblade

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