Jeff Davis pg...@j-davis.com wrote:
There are two ways to do the threshold:
1. Constant fraction of vacuum_freeze_min_age
2. Extra GUC
I appreciate that there may be room to improve this while protecting
the forensic values; but there are already strategies for managing the
day-to-day
Alvaro Herrera alvhe...@commandprompt.com wrote:
Jeff Davis wrote:
Why aren't we more opportunistic about freezing tuples? For
instance, if we already have a dirty buffer in cache, we should be
more aggressive about freezing those tuples than freezing tuples on
disk.
The most widely
On Thu, 2009-08-13 at 17:17 -0500, Kevin Grittner wrote:
It wouldn't surprise
me to find workloads where writing data three times (once for the
data, once for hint bits, and once to freeze the tid)
I'm not sure that we're limited to 3 times, here. I could be missing
something, but if you have