Re: [WIP]Vertical Clustered Index (columnar store extension) - take2 - Mailing list pgsql-hackers

From Yura Sokolov
Subject Re: [WIP]Vertical Clustered Index (columnar store extension) - take2
Date
Msg-id 86b18f04-4feb-4c89-af91-65f40dd81404@postgrespro.ru
Whole thread Raw
In response to [WIP]Vertical Clustered Index (columnar store extension) - take2  ("Aya Iwata (Fujitsu)" <iwata.aya@fujitsu.com>)
List pgsql-hackers
07.10.2024 17:53, Aya Iwata (Fujitsu) wrote:
> Hi All,
> 
> Suggestions
> 
> ==========
> 
> When analyzing real-time data collected by PostgreSQL,
> 
> it can be difficult to tune the current PostgreSQL server for 
> satisfactory performance.
> 
> Therefore, we propose Vertical Clustered Indexing (VCI), an in-memory 
> column store function that holds data in a state suitable for business 
> analysis and is also expected to improve analysis performance.

I just don't get, why it should be "in-memory"? All the same things you 
describe further, but storing in paged index on-disk with caching 
through shared_buffers - why this way it wouldn't work?




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