Re: IoT/sensor data and B-Tree page splits

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От Arcadiy Ivanov
Тема Re: IoT/sensor data and B-Tree page splits
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Msg-id 750555c1-a170-46b3-4dab-5a89f8998f67@gmail.com
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Ответ на IoT/sensor data and B-Tree page splits  (Peter Geoghegan <pg@bowt.ie>)
Ответы Re: IoT/sensor data and B-Tree page splits  (Peter Geoghegan <pg@bowt.ie>)
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On 8/26/19 7:49 PM, Peter Geoghegan wrote:
> Not surprising, since the TPC-E benchmark models a financial trading
> application.

> The good news there is that that will almost certainly be a lot better
> in Postgres 12. TPC-E also has a number of very low cardinality
> indexes, despite being an OLTP benchmark.


But apart from TPC-E and having to perform to it, is there any practical 
real world usefulness in trying to have a B-tree index on TS-based data 
just to have a PK on it, as opposed to having a BRIN on a TS field and 
calling it a day?

-- 
Arcadiy Ivanov
arcadiy@gmail.com | @arcivanov | https://ivanov.biz
https://github.com/arcivanov




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