Re: setting -i and -N 100 when starting postmaster

From: Scott Whitney <scott(at)journyx(dot)com>
To: John Scalia <jayknowsunix(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: setting -i and -N 100 when starting postmaster
Date: 2014-07-16 19:45:14
Message-ID: 1756032979.492840.1405539914689.JavaMail.zimbra@mail.int.journyx.com
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-i is "interactive," as in "listen on TCP/IP"
-N 384 is max connections 384

----- Original Message -----

> Hi all,

> My wonderful colleagues in charge of our production database have screwed up
> royally. They managed to corrupt the production database by having two
> instances of postgresql talking
> to the same database/same filesystem/same time. Now, they'd like me to fix
> it. Sigh...

> BTW, this is a V9.2.2 system, and the database will still start, but the logs
> are full of reports pf invalid page header errors. One thing I'm looking at
> is doing a "ps -ef | grep
> postmaster", I see "service postgresql-9.2 start" uses:

> postmaster -D /opt/datacenter -i -N 384 -p 5431

> Now, I know what the -D and -p are doing, but I'm not sure what -i and -N are
> for, and my internet search hasn't turned up much. Anybody know?
> --
> Jay

> PS. Any suggestions beyond setting zero_damaged_pages=true and then running a
> vacuum would also be appreciated.

> --
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