fatih ozturk wrote:
> Hi
> I want to ask some part of a question that is asked before by "Duan Ligong"
> and not answered
>
> "
> Could you explain how the clog files work roughly?
>
> (What is inside of the clog files? when and how the new clog files
>
> are created? when and in what case the old files are deleted
>
> or rotated? how does postgresql regard a file is old enough to be
>
> deleted? Does Vacuum will definitely cause deleting of old files
>
> and creating of new clog files?)
> "
>
> Thansk for your interest
There is a slide here of the clog file internals:
http://momjian.us/main/writings/pgsql/internalpics.pdf
clog is rotated on its own by our code and there is no user maintenence
required.
You have to look in our C code for the rest of the answers.
--
Bruce Momjian <[email protected]> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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