Use Hiredis client for performance #1081
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Just a note that the docs are slightly outdated and Hiredis will be used by default if it is installed: https://github.com/jazzband/django-redis?tab=readme-ov-file#pluggable-parsers
ericholscher
approved these changes
Oct 20, 2025
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Looks good -- I thought we were using this on RTD as well, but seems we removed it a long time ago. Hopefully those issues are fixed.
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While investigating PG connection pooling (#1080), I figured I should look at the same thing for Redis. Looks like django-redis uses a connection pool by default. Some parameters can be tweaked but I don't think we need to make any changes there without experimenting. However, the docs did mention that there's a slightly higher performance C client that can be used. This PR enables that. Overall, I'm not sure this will make much difference but seemed low risk and maybe it'll help under load.
Just a note that the docs are slightly outdated and Hiredis will be used by default if it is installed.