Tomas Vondra writes:
> Dne 3.4.2011 02:45, Tom Lane napsal(a):
>> I wonder whether the discrepancy relates to having to produce
>> full-page-image WAL entries during the first touch of a page during the
>> pgbench run, versus having already done so in initialization. If you
>> force a checkpoint
Dne 3.4.2011 02:45, Tom Lane napsal(a):
> Tomas Vondra writes:
>> I've been playing with various wal_level settings, mainly to find out
>> what is the overhead of hot standby, and I've noticed a strange thing.
>> In some cases the wal_level=minimal produces signigicantly more xlog
>> data than wal
Tomas Vondra writes:
> I've been playing with various wal_level settings, mainly to find out
> what is the overhead of hot standby, and I've noticed a strange thing.
> In some cases the wal_level=minimal produces signigicantly more xlog
> data than wal_level=archive (and hot_standby).
> ...
> Whic
Hi everyone,
I've been playing with various wal_level settings, mainly to find out
what is the overhead of hot standby, and I've noticed a strange thing.
In some cases the wal_level=minimal produces signigicantly more xlog
data than wal_level=archive (and hot_standby).
===
