How much fast writing file sequentially than write randomly?
>> Sequentially writing to a file is generally much faster than writing to it randomly. This is because sequential writes allow the operating system and the underlying hardware to optimize the write operations, such as through buffering and minimizing seek time.
When you write to a file sequentially, the data is written in a continuous manner, which allows for efficient disk access and caching. On the other hand, writing to a file randomly involves moving the file pointer to different locations in the file, which can result in additional seek time and disk head movement.
As a result, sequential writes are typically much faster than random writes, especially when dealing with traditional spinning hard drives. However, with the rise of solid-state drives (SSDs), the performance gap between sequential and random writes has narrowed significantly due to the lack of physical moving parts in SSDs.
In general, for optimal performance, it's best to write data to a file sequentially whenever possible, especially when dealing with large amounts of data.