Re: Reducing tuple overhead
От | Petr Jelinek |
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Тема | Re: Reducing tuple overhead |
Дата | |
Msg-id | 553921B1.7080204@2ndquadrant.com обсуждение исходный текст |
Ответ на | Reducing tuple overhead (Andres Freund <andres@anarazel.de>) |
Ответы |
Re: Reducing tuple overhead
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Список | pgsql-hackers |
On 23/04/15 18:24, Andres Freund wrote: > Whether that's feasible complexity wise is debatable, but it's certainly > possible. > > > I do wonder what, in realistic cases, is actually the bigger contributor > to the overhead. The tuple header or the padding we liberally add in > many cases... > The logical ordering patch + auto optimizations of column layout on table creation/rewrite might help partially there. But what seems to be clear is that we need more in depth analysis of what really contributes most to the tuple size in various use-cases and then we can debate what we can do about it. -- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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