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68 changes: 68 additions & 0 deletions bigfunctions/physical_or_logical_storage.yaml
Original file line number Diff line number Diff line change
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type: procedure
category: utils
author:
name: Johan Picard
url: https://www.linkedin.com/in/johan-picard/
avatar_url: "https://media.licdn.com/dms/image/C4E03AQGJgch4by3ZyA/profile-displayphoto-shrink_800_800/0/1596182656972?e=2147483647&v=beta&t=goYRLhYQkWYCNNgDh4-ScyOlAlKlFIxyskMjHiANbZE"
description: |
Evaluate potential savings from activating Compressed Storage for each dataset of a project
arguments:
- name: project
type: string
- name: time_travel_duration
type: int64
examples:
- description: |
call `bigfunctions.eu._physical_or_logical_storage`("bigfunctions.samples");
select column_name, data_type from bigfunction_result ;
arguments:
- "'bigfunctions.samples.natality'"
region: EU
code: |
DECLARE active_logical_gib_price FLOAT64 DEFAULT 0.02;
DECLARE long_term_logical_gib_price FLOAT64 DEFAULT 0.01;
DECLARE active_physical_gib_price FLOAT64 DEFAULT 0.04;
DECLARE long_term_physical_gib_price FLOAT64 DEFAULT 0.02;

WITH
storage_sizes AS (
SELECT
table_schema AS dataset_name,
-- Logical
SUM(active_logical_bytes) / power(1024, 3) AS active_logical_gib,
SUM(long_term_logical_bytes) / power(1024, 3) AS long_term_logical_gib,
-- Physical
SUM(active_physical_bytes - time_travel_physical_bytes) / power(1024, 3) AS active_no_time_travel_physical_gib,
SUM(time_travel_physical_bytes) / power(1024, 3) AS time_travel_physical_gib,
SUM(long_term_physical_bytes) / power(1024, 3) AS long_term_physical_gib,
FROM
`region-us`.INFORMATION_SCHEMA.TABLE_STORAGE_BY_PROJECT
WHERE total_logical_bytes > 0
AND total_physical_bytes > 0
GROUP BY 1
)
SELECT
dataset_name,
-- Logical
ROUND(active_logical_gib, 2) AS active_logical_gib,
ROUND(long_term_logical_gib, 2) AS long_term_logical_gib,
-- Physical
ROUND(active_no_time_travel_physical_gib, 2) AS active_no_time_travel_physical_gib,
ROUND(time_travel_physical_gib, 2) AS time_travel_physical_gib,
ROUND(long_term_physical_gib, 2) AS long_term_physical_gib,
-- Compression ratio
ROUND(SAFE_DIVIDE(active_logical_gib, active_no_time_travel_physical_gib), 2) AS active_compression_ratio,
ROUND(SAFE_DIVIDE(long_term_logical_gib, long_term_physical_gib), 2) AS long_term_compression_ratio,
-- Costs logical
ROUND(active_logical_gib * active_logical_gib_price, 2) AS active_logical_cost,
ROUND(long_term_logical_gib * long_term_logical_gib_price, 2) AS long_term_logical_cost,
-- Costs physical
ROUND((active_no_time_travel_physical_gib + time_travel_physical_gib) * active_physical_gib_price, 2) AS active_physical_cost,
ROUND(long_term_physical_gib * long_term_physical_gib_price, 2) AS long_term_physical_cost,
-- Costs total
ROUND(((active_logical_gib * active_logical_gib_price) + (long_term_logical_gib * long_term_logical_gib_price)) -
(((active_no_time_travel_physical_gib + time_travel_physical_gib) * active_physical_gib_price) + (long_term_physical_gib * long_term_physical_gib_price)), 2) AS total_cost_difference
FROM
storage_sizes
ORDER BY
(active_logical_cost + active_physical_cost) DESC;