Re: HOT question - insert/delete
От | Gerhard Wiesinger |
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Тема | Re: HOT question - insert/delete |
Дата | |
Msg-id | alpine.LFD.2.00.0905211037140.27998@bbs.intern обсуждение исходный текст |
Ответ на | Re: HOT question - insert/delete (Merlin Moncure <mmoncure@gmail.com>) |
Список | pgsql-general |
Are there any plans to support this kind of scenario? Ciao, Gerhard -- http://www.wiesinger.com/ On Wed, 20 May 2009, Merlin Moncure wrote: > On Wed, May 20, 2009 at 3:11 PM, Gerhard Wiesinger <lists@wiesinger.com> wrote: >> Hello! >> >> Is HOT in 8.3 used in the following scenario: >> INSERT ... >> DELETE ... >> at the same ratio. >> >> So for example current data is added every minute and all old data older >> than 2 years are deleted. >> >> Would the heap be bloated or is this avoided by the HOT feature of 8.3 and >> nearly kept constant? > > HOT doesn't help here...it only helps with updates and then only if > you are updating fields that are not indexed. if your table has a > rolling set of data, for example a log file...you probably want to > look at table partitioning (either manual or built in). > > merlin > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general >
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