Re: New Copy Formats - avro/orc/parquet

Поиск
Список
Период
Сортировка
От Andres Freund
Тема Re: New Copy Formats - avro/orc/parquet
Дата
Msg-id 20180211171653.nvb26tbu774tqgiy@alap3.anarazel.de
обсуждение исходный текст
Ответ на Re: New Copy Formats - avro/orc/parquet  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Ответы Re: New Copy Formats - avro/orc/parquet  (Nicolas Paris <niparisco@gmail.com>)
Список pgsql-general
Hi,

On 2018-02-10 18:21:37 +0100, Tomas Vondra wrote:
> That is true, but the question is how significant the overhead is. If
> it's 50% then reducing it would make perfect sense. If it's 1% then no
> one if going to be bothered by it.

I think it's pretty clear that it's going to be way way much more than
1%. It's trivial to construct cases where input parsing / output
formatting takes the majority of the time. And a lot of that you're
going to be able to avoid with binary formats.

Greetings,

Andres Freund


В списке pgsql-general по дате отправления:

Предыдущее
От: Thiemo Kellner
Дата:
Сообщение: Re: execute block like Firebird does
Следующее
От: Nicolas Paris
Дата:
Сообщение: Re: New Copy Formats - avro/orc/parquet