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Re: Symbolic Links to Tablespaces

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Campbell, Lance" <lance(at)illinois(dot)edu>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Symbolic Links to Tablespaces
Date: 2008-05-26 15:08:51
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
"Campbell, Lance" <lance(at)illinois(dot)edu> writes:
> I have started to define tablespaces on different disks.  Is there any
> performance issues related to referencing tablespaces on different disks
> with symbolic links?  By using symbolic links to tablespaces can I then
> stop the database and move a particular tablespace from one location to
> another without causing a problem?  This would seem to give a lot of
> flexibility to the location of tablespaces.  

A tablespace already is a symbolic link --- read

Putting another one into the path will eat cycles and doesn't seem like
it could buy anything.

			regards, tom lane

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