PostgreSQL indexes:simple rules that speed up your app

TL;DR

• postgres indexes basics
• For apps with growing DB and slow lists/filters.

Who this is for

• For apps with growing DB and slow lists/filters.

Keyword (SEO)

• postgres indexes basics

When to add an index

• Columns in WHERE/JOIN
• Sorting/pagination
• Query patterns

What not to index

• Too many indexes slow writes
• Low selectivity indexes
• No query plan review

How to verify

• EXPLAIN ANALYZE
• p95 monitoring
• Staging test with real data

Branchly: test EXPLAIN on a staging branch

At DevStudio we tune indexes on PostgreSQL in Branchly — a staging branch with production-like data, without client risk. Run EXPLAIN ANALYZE and CREATE INDEX CONCURRENTLY on the copy; after verification, the Prisma migration lands on main. We tie p95 monitoring to the Branchly panel and runtime on DevStudioIT Cloud.

Want this implemented for your business?

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