You’d need to implement your own Cache Store. 
https://ignite.apache.org/docs/latest/persistence/custom-cache-store

> On 30 Jun 2023, at 06:46, Arunima Barik <[email protected]> wrote:
> 
> 
> ---------- Forwarded message ---------
> From: Arunima Barik <[email protected] 
> <mailto:[email protected]>>
> Date: Fri, 30 Jun, 2023, 10:52 am
> Subject: Ignite for Parquet files
> To: <[email protected] <mailto:[email protected]>>
> 
> 
> Hello Team
> 
> I have my data stored as parquet files. I want a caching layer on top of this 
> existing file system. I am going to use Ignite for that but I do not need 
> native persistence for that. 
> 
> I want that any changes to database should be reflected in both cache and 
> file. 
> And same for read queries. It should automatically read from disk if data is 
> not present in cache. 
> 
> I want to do all this is python. Please let me know how the same can be done. 
> Resources if any as well. 
> 
> Thank you and looking forward to hearing from you. 
> 
> Regard, 
> Arunima Barik

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