gcsfuse uses compose [1] to append. Basically it uploads the new data to a temp object, then performs a compose operation to make a new object in the place if t

gcsfuse uses compose [1] to append. Basically it uploads the new data to a temp object, then performs a compose operation to make a new object in the place if the original with the combined content. [1] https://cloud.google.com/storage/docs/composing-objects https://cloud.google.com/storage/docs/composing-objects