Comment on Disk I/O bottlenecks in GitHub ActionsparentComments−inkyoto1yThat is true and correct, except that Linux does not have raw devices, and O_DIRECT on a file is not a complete replacement for the raw devices (the buffer cache still gets involved as well as the file system).
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That is true and correct, except that Linux does not have raw devices, and O_DIRECT on a file is not a complete replacement for the raw devices (the buffer cache still gets involved as well as the file system).