Re: New Copy Formats - avro/orc/parquet

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От Andres Freund
Тема Re: New Copy Formats - avro/orc/parquet
Дата
Msg-id 20180211205345.47yvrxxodbfeyxk6@alap3.anarazel.de
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Ответ на Re: New Copy Formats - avro/orc/parquet  (Nicolas Paris <niparisco@gmail.com>)
Ответы Re: New Copy Formats - avro/orc/parquet  (Nicolas Paris <niparisco@gmail.com>)
Список pgsql-general
On 2018-02-11 21:41:26 +0100, Nicolas Paris wrote:
> I have also the storage and network transfers overhead in mind:
> All those new formats are compressed; this is not true for current
> postgres BINARY format and obviously text based format. By experience,
> the binary format is 10 to 30% larger than the text one. On the
> contrary, an ORC file can be up to 10 times smaller than a text base
> format.

That seems largely irrelevant when arguing about using PROGRAM though,
right?

Greetings,

Andres Freund


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