2010/4/9 Greg Smith <g...@2ndquadrant.com>:
> Merlin Moncure wrote:
>>
>> postgresql 8.2: autovacuum enabled by default
>> postgresql 8.3: HOT (reduces update penalty -- zabbix does a lot of
>> updates)
>>
>
> autovacuum wasn't enabled by default until 8.3.  It didn't really work all
> that well out of the box until the support for multiple workers was added in
> that version, along with some tweaking to its default parameters.  There's
> also a lot more logging information available, both the server logs and the
> statistics tables, to watch what it's doing that were added in 8.3.

you're right!  iirc it was changed at the last minute...

merlin

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