On 2013-08-05 18:40:10 +0900, KONDO Mitsumasa wrote: > (2013/08/05 17:14), Amit Langote wrote: > >So, within the limits of max_files_per_process, the routines of file.c > >should not become a bottleneck? > It may not become bottleneck. > 1 FD consumes 160 byte in 64bit system. See linux manual at "epoll".
That limit is about max_user_watches, not the general cost of an fd. Afair they take up a a good more than that. Also, there are global limits to the amount of filehandles that can simultaneously opened on a system. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
