Hello,
as fas as I can see from fdatasync man page, and from the latest kernel
sources (2.4.1ac3, fs/buffer.c), they are equivalent.
Using of fdatasync in database can gain significant gain on systems which
supports it (on HP it gains up to 25% with pg_bench on PostgreSQL 7.1b5).
Are there any plans to implement this correctly? And due to what problems it
was not implemented yet?
--
Sincerely Yours,
Denis Perchine
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