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PostgreSQL Database Partitioning Strategy for 50M Rows

Logistics Advisor Client Partner3 days ago

We are seeing query timeouts when loading customer invoice histories over 3 years. We have indices set, but the table size is approaching 60M rows. How should we partition?

Systems Architect Core Infrastructure Lead2 days ago

For tables of that scale, partition by invoice timestamp. This isolates older transactions onto cold disks while keeping the active month hot. Add this query partition configuration:

CREATE TABLE invoices (
    invoice_id UUID NOT NULL,
    invoice_date DATE NOT NULL,
    amount NUMERIC
) PARTITION BY RANGE (invoice_date);
Logistics Advisor Client Partner1 day ago

Applied this today! Query speeds went from 3.2s back to 14ms. Incredible advice.