Store/Update large file efficiently
I am working on a grocery app which needs to keep updating the most recent available quantities. To do so, I need to keep overwriting and accessing a large object of quantities which is sent via api every min.
What I considered:
Store in the memory: if it exceeds 500kb, the app will throw a TransactionTooLargeException exception
Store in db: I am simply overwriting the whole file so no need for specific db queries and it's an expensive IO operation to do every min
Write to a file: What I am currently doing, better than maintaining a db for a simple overwrite, but it's also a heavy IO operation to execute every min.
Is there a more efficient way to keep a large object accessible which you can consistently update ?
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