On Mon, Sep 3, 2012 at 2:19 AM, togetinfo mail <togetinfom...@gmail.com> wrote: > We are trying to introduce a thread that monitors the creation of the > trigger_file. As and when the file is created, the process that monitors > postgres server needs to be notified through the inotify API. > > This is to reduce the 3-4 seconds delay that exists with the current > implementation in postgres. As per the current implementation, the thread > checks for the existence of the file every 5 seconds. If the file got > created just 1 second after the sleep, there is a wait time of 4 seconds > before we know whether the file is present or not. We intend to avoid this > delay by using inotify(). > > PostgreSQL version number you are running: postgres 9.1.5 > > How you installed PostgreSQL: Downloaded and compiled the sources > > Does anyone have suggestions on the appropriate place to add > inotify_add_watch to achieve our objective? > Thanks in advance.
I'm not in favor of this approach, because it will only work on Linux. Also, can't you bypass this problem altogether by using "pg_ctl promote"? -- 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
