Re: Direct I/O issues
От
Tom Lane
Тема
Re: Direct I/O issues
Дата
Msg-id
14171.1164300342@sss.pgh.pa.us
Ответ на
Direct I/O issues (Greg Smith)
Список
Дерево обсуждения
Direct I/O issues Greg Smith <gsmith@gregsmith.com>
Re: Direct I/O issues Tom Lane <tgl@sss.pgh.pa.us>
Re: Direct I/O issues Greg Smith <gsmith@gregsmith.com>
Re: Direct I/O issues Bruce Momjian <bruce@momjian.us>
Greg Smith writes: > The results I get now look fishy. There are at least two things wrong with this program: * It does not respect the alignment requirement for O_DIRECT buffers (reportedly either 512 or 4096 bytes depending on filesystem). * It does not check for errors (if it had, you might have realized the other problem). regards, tom lane
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