On 2016-02-21 09:49:53 +0530, Robert Haas wrote: > I think there might be a semantic distinction between these two terms. > Doesn't writeback mean writing pages to disk, and flushing mean making > sure that they are durably on disk? So for example when the Linux > kernel thinks there is too much dirty data, it initiates writeback, > not a flush; on the other hand, at transaction commit, we initiate a > flush, not writeback.
I don't think terminology is sufficiently clear to make such a distinction. Take e.g. our FlushBuffer()... -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
