Re: [PATCHES] wal_checksum = on (default) | off

Simon Riggs wrote:
> > Somehow, neither of these statements seem likely to be uttered by
> > a sane DBA ...
>
> If I take a backup of a server and bring it up on a new system, the
> blocks in the backup will not have been CRC checked before they go to
> disk.
>
> If I take the same server and now stream log records across to it, why
> *must* that data be CRC checked, when the original data has not been?
>
> I'm proposing choice, with a safe default. That's all.

Are there performance numbers to justify the option?  We don't give
people options unless there is real value to it.

--
  Bruce Momjian   bruce@momjian.us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +