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Very cool! - I'm curious how far Influx will then move into being a general purpose columnar database system outside of typical timeseries workloads - moving more into being a general purpose OLAP DB for analytical "data science" workload?

Will there be any type of transactional guarantees (ACID) using MVCC or similar?

Is the execution engine vectorised?

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Execution is vectorized, but that's Arrow really. We'd like this to be useful for general OLAP workloads, but the focus for the next year is definitely going to be on our bread and butter time series stuff.

That being said, Arrow Flight will be a first class RPC mechanism, which makes it quite nice for data science stuff as you can get data in to a dataframe in Pandas or R in a few lines of code and with almost zero serialization/deserialization overhead.

This isn't meant to be a transactional system. More like a data processing system for data in object storage. I'm curious what your need is there for OLAP workloads, can you tell me more?

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