Re: HOT is applied
| От | Tom Lane |
|---|---|
| Тема | Re: HOT is applied |
| Дата | |
| Msg-id | 28384.1190384954@sss.pgh.pa.us обсуждение |
| Ответ на | Re: HOT is applied ("Heikki Linnakangas" <heikki@enterprisedb.com>) |
| Ответы |
Re: HOT is applied
Re: HOT is applied |
| Список | pgsql-hackers |
"Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> Bruce Momjian wrote:
>> This might be a simplistic question but if the page is +90% full and
>> there is a long-lived transaction, isn't Postgres going to try pruning
>> on each page read access?
> Yes :(
It shouldn't, though --- the hint bit should get cleared on the first
try. I think I probably broke something in the last round of revisions
to heap_page_prune_opt, but haven't looked yet ...
regards, tom lane
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