Search Postgresql Archives

Re: How do you change the size of the WAL files?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Once again, pros and cons should be left to users discretion because one may have latest and greatest hardware and network resources. For example a SSD on a fiber channel on a high speed network.


Regards,
rs

On Jan 9, 2012, at 7:06 PM, "Tom Lane" <tgl@xxxxxxxxxxxxx> wrote:

> Scott Marlowe <scott.marlowe@xxxxxxxxx> writes:
>> On Mon, Jan 9, 2012 at 4:58 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
>>> There are tradeoffs in the other direction too, but if you feel you must
>>> have a different value, see configure's --with-wal-segsize option.  Note
>>> that you cannot change this without re-initdb.
> 
>> Is there a limit to the max size?
> 
> Hmm, it looks like the configure script only allows 1-64MB.  I'm not
> sure offhand if that's protecting a restriction elsewhere, or just
> not bothering to extend the switch for more cases.  Keep in mind that
> the larger you make this, the more data you can lose because it wasn't
> archived yet when your master machine failed.
> 
>            regards, tom lane

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux