Ubuntu
postgresql-9.1 package

  1. Bug #264336
  2. Comment #49

Comment 49 for bug 264336

Revision history for this message
Thom Brown (thombrown) wrote : Re: [Bug 264336] Re: pgsql fails to start due to shared buffer setting greater than kernel allows

On 3 March 2014 13:27, Sorin Sbârnea <email address hidden> wrote:

> I have the same problem with latest LTS Ubuntu, and the proper solution
> is to set BOTH SHMMAX and SHMALL to the same value, the best is ¼ of
> total memory.
>
> kernel.shmmax = xxx
> kernel.shmall = xxx
>
> Still, I would consider this an real bug, especially because the
> postgres error is misleading and incomplete.

SHMALL is measured in pages, whereas SHMMAX is measured in bytes. They
shouldn't be set to the same values as one another.

Regards

Thom