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layout: default permalink: /performance/ title: API
Flysystem aims to be as reliable as possible. In some cases this means doing extra checks to make sure the outcome will be as expected. For some adapter this means Flysystem will make extra calls to assert whether or not a file exists. This improves the reliability but also impacts performance. You can opt out of this behaviour.
This will disable the asserts which happen before the following calls: write, writeStream, update, updateStream, copy (2x), and delete.
This functionality is available since