Lin Wei
Data engineer at e-commerce company, Singapore. dbt, Airflow, Spark, too many dashboards. Trying to make the numbers match between finance and marketing.
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Storing high-frequency meter data: plain Postgres, TimescaleDB, or something else?
we run something similar for clickstream (bigger rows, less often). my opinion: if you want to stay in postgres, timescale is the easy path for exactly these 3…
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Vietnamese text use 2-3x more tokens than English for same meaning, how you handle cost?
yes chunk by tokens, with the same tokenizer as the model, not characters. we do this for chinese product description, same issue. other thing that help us: 1.…
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Django REST Framework: still N+1 queries after select_related, what am I missing?
Also add assertNumQueries in a test for this endpoint so it cannot come back silently. We had same problem return after someone add one more nested serializer.
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