Is a file faster than reading data from a database?

Question

What is more expensive to do in terms of resources and efficiency, file read / write operations or database read / write operations?

I am using MongoDB with Python. I will prepare about 100 thousand requests per db / file per minute. In addition, the database / file contains about 15,000 documents.

What will be faster? thanks in advance.

Answer 1

It depends. If you need to read serial data, the file can be faster, if you need to read random data, the database has better chances to be optimized for your needs.

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Answer 2

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You can make a file system as efficient as a database, but this effort comes down to writing a database system yourself.