On Wed, Apr 27, 2016 at 7:07 AM, Anastasia Lubennikova <a.lubennik...@postgrespro.ru> wrote: > Hi, hackers. > There's a couple of questions about processes. > > I found EXEC_BACKEND flag, while reading the code. > As I understood, it exists because we have to emulate fork() on WIN32. > And also it allows to debug the same behavior on Linux. > Is it right? Are there any other use cases?
Right. Or, more precisely, we can't really emulate fork(), so we have to make due with what's available on Windows, which is basically exec(). > Another question is about "--fork" argument (see code below). > I didn't find it in documentation, so I'm a bit confused. > I wonder if it exists only for internal purposes? Correct. Just for internal purposes only - definitely not intended for users to invoke directly. > And the last, but not least. Do we have any > presentations/articles/READMEs/whatever > about caches (src/backend/utils/cache/*) in postgresql? > I found nothing, besides comments in the code. Nothing specific comes to mind. -- 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
