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Category: Statistics

YugabyteDB Tips > Performance > Statistics

pg_stats.correlation Is Not a Monotonic Index Detector

Jim KnicelyJune 22, 2026

Some columns naturally move in one direction as new rows are inserted. Think timestamps, event times, sequence values, or identity columns. These […]

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Export Optimizer Statistics with SQL Only (No cbo_stat_dump Required)

Jim KnicelyMarch 2, 2026

In a previous YugabyteDB Tip, we explored how to use cbo_stat_dump to recreate production optimizer behavior in a clean environment: 👉 Recreating […]

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Recreating Production Optimizer Behavior in YugabyteDB with cbo_stat_dump

Jim KnicelyFebruary 27, 2026

TL;DR When a query plan changes in production, teams often try to copy production data into another environment to reproduce the issue. […]

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No More ANALYZE After CREATE INDEX in YugabyteDB 2025.2

Jim KnicelyFebruary 25, 2026

TL;DR Starting in 2025.2.0.0 (and backported to 2025.1.3.0), YugabyteDB automatically updates pg_class.reltuples for both the base table and newly created index after […]

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