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Intensity map optimisations #1

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ammojamo opened this issue Feb 25, 2019 · 0 comments

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ammojamo commented Feb 25, 2019

(See email TSX website logs 28 Nov 2018)

The intensity map API endpoint ('/lpi-data/intensity') is really slow.

It is generating an SQL query which contains all of the 10,000+ time series IDs in it, which is massive. This is the offending line: https://github.com/nesp-tsr3-1/tsx/blame/62a2e4fc549c0a534409d111a8468f7275b55138/tsx/api/lpi_data.py#L139 . It would be a lot faster to perform the filtering in SQL instead of sending a big list of time series IDs.

I think the code that takes the result of the SQL query and converts it into JSON could also be optimised a lot (https://github.com/nesp-tsr3-1/tsx/blame/62a2e4fc549c0a534409d111a8468f7275b55138/tsx/api/lpi_data.py#L149-L151).

ammojamo closed this as completed

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