Christopher Kings-Lynne <chris.kings-lynne@calorieking.com> wrote:
> http://lwn.net/Articles/178199/
> Check out the article on sync_file_range():
> Is that at all useful for PostgreSQL's purposes?
I'm interested in it, with which we could improve responsiveness during
checkpoints. Though it is Linux specific system call, but we could use
the combination of mmap() and msync() instead of it; I mean we can use
mmap only to flush dirty pages, not to read or write pages.
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ITAGAKI Takahiro
NTT Open Source Software Center