On Thu, Mar 10, 2016 at 5:24 PM, Andres Freund <and...@anarazel.de> wrote: > 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()...
Well then we should clarify it! :-) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
