* Andreas Pflug <[EMAIL PROTECTED]> [080606 04:50]: > David E. Wheeler wrote: > > > >How about a simple rule, such as that machine-generated comments start > >with "##", while user comments start with just "#"? I think that I've > >seen such a rule used before. At any rate, I think that, unless you > >have some sort of line marker for machine-generated comments, there > >will be no way to tell them apart from user comments. > > Two heretical questions: > Do we need user generated comments at all? > I can't remember ever having used any comment in postgresql.conf.
Well, I have, mainly to leave traces as to what and why I've changed something from a default/previous value, based on "chagne, hope, and test" style tuning. And the one that Greg brought up earlier: ## Don't make this too high, or linux OOM will kill ther server!!! I'm guessing that comment was put in for a reason too. > Why do so many people here insist on editing postgresql.conf as primary > means of changing config params? > Isn't a psql -c "SET foo=bar; MAKE PERSISTENT" just as good as sed'ing > postgresql.conf or doing it manually? I would guess main for 3 reasons: 1) It's always been that way, it's the traditional "unix" way, and many admins are comfortable being able to comment/make quick test changes with simple text files. 2) Their postgresql.conf are distrubuted/synced/generated from central provisioning/SCM system 3) PostgreSQL the server isn't even running > Looking around for different approaches, network appliances come to my > mind, e.g. Cisco routers and PIX. You have 3 ways to configure a pix: > - use a command line (using ssh or telnet, eqivalent to psql); WRITE > MEMORY to make the changes survive a reboot. > - use a web interface (or similar tool) > - use tftp to up/download the complete config in and out, editing the > file. User comments will be lost, with the exception of those that have > been applied with special comment commands (equivalent to "comment on"). And, of course, other server software comes to mind too: apache, bind, postfix, sendmail, dhcpd, sshd, cron, xinetd... ;-) a. -- Aidan Van Dyk Create like a god, [EMAIL PROTECTED] command like a king, http://www.highrise.ca/ work like a slave.
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