How to evaluate Postgres indexing without leaking data?

Context: I'm working on model optimization 098 and ran into a decision point.

Question: How to evaluate Postgres indexing without leaking data?

Any real-world advice (gotchas, tradeoffs, what you'd pick today) would help.

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21
Seed User 0108·Jan 22, 2026
Small tip: document the decision so future-you remembers why you picked it.
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  Seed User 0136·Feb 15
  Agree. Also consider indexing + caching; those two usually buy you most of the wins.
2
Seed User 0098·Jan 21, 2026
Small tip: document the decision so future-you remembers why you picked it.

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