Re: page corruption on 8.3+ that makes it to standby
Jeff Davis <pgsql@j-davis.com>
From: Jeff Davis <pgsql@j-davis.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgresql.org
Date: 2010-07-28T19:08:02Z
Lists: pgsql-hackers
On Wed, 2010-07-28 at 14:50 -0400, Robert Haas wrote: > It seems like if log_newpage() were to set the LSN/TLI before calling > XLogInsert() - or optionally not - then it wouldn't be necessary to > set them also in heap_xlog_newpage(); the memcpy operation would by > definition have copied the right information onto the page. That > seems like it would be a cleaner design, but back-patching a change to > the interpretation of WAL records that might already be on someone's > disk seems dicey at best. How do you set the LSN before XLogInsert()? Regards, Jeff Davis