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Re: Introduce Index Aggregate - new GROUP BY strategy - Mailing list pgsql-hackers

From Сергей Соловьев
Subject Re: Introduce Index Aggregate - new GROUP BY strategy
Date
Msg-id e04d5bce-101d-4d70-aa0e-9d1c241cda18@tantorlabs.ru
Whole thread Raw
In response to Re: Introduce Index Aggregate - new GROUP BY strategy  (Sergey Soloviev <sergey.soloviev@tantorlabs.ru>)
Responses Re: Introduce Index Aggregate - new GROUP BY strategy
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Previous message had bad table formatting. Here fixed version.

int

| amount  | HashAgg     | GroupAgg    | IndexAgg    |
| ------- | ----------- | ----------- | ----------- |
| 100     | 3249.929602 | 3501.174072 | 3765.727121 |
| 1000    | 504.420643  | 501.465754  | 575.255906  |
| 10000   | 50.528155   | 49.312322   | 54.510261   |
| 100000  | 4.775069    | 4.317584    | 4.791735    |
| 1000000 | 0.405538    | 0.406698    | 0.321379    |

bigint

| amount  | HashAgg     | GroupAgg    | IndexAgg    |
| ------- | ----------- | ----------- | ----------- |
| 100     | 3225.287886 | 3510.612641 | 3742.911726 |
| 1000    | 492.908092  | 491.530184  | 574.475159  |
| 10000   | 50.192018   | 49.555983   | 53.909437   |
| 100000  | 4.831086    | 4.430059    | 4.748821    |
| 1000000 | 0.401983    | 0.413218    | 0.318144    |

text

| amount  | HashAgg     | GroupAgg    | IndexAgg    |
| ------- | ----------- | ----------- | ----------- |
| 100     | 2647.030876 | 2553.503954 | 2946.282525 |
| 1000    | 348.464373  | 286.818555  | 342.771923  |
| 10000   | 32.891834   | 24.386304   | 28.249571   |
| 100000  | 2.934513    | 1.956983    | 2.237997    |
| 1000000 | 0.249291    | 0.148780    | 0.150943    |

uuid

| amount  | HashAgg | GroupAgg    | IndexAgg    |
| ------- | ------- | ----------- | ----------- |
| 100     | N/A     | 2282.812585 | 2432.713816 |
| 1000    | N/A     | 282.637163  | 303.892131  |
| 10000   | N/A     | 28.375838   | 28.924711   |
| 100000  | N/A     | 2.649958    | 2.449907    |
| 1000000 | N/A     | 0.255203    | 0.194414    |

bigtext

| HashAgg | GroupAgg | IndexAgg |
| ------- | -------- | -------- |
| N/A     | 0.035247 | 0.041120 |

---
Sergey Soloviev

TantorLabs: https://tantorlabs.com

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