Optimizer Trace
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Optimizer Trace Overview
Produces a JSON trace with decision info taken by the optimizer during the optimization phase. -
Optimizer Trace Guide
Guide to the structured log file showing what actions were taken by the query optimizer. -
Basic Optimizer Trace Example
MariaDB> set optimizer_trace=’enabled=on’; MariaDB> select * from t1 where a<10; MariaDB> s -
Optimizer Trace for Developers
This article describes guidelines for what/how to write to Optimizer Trace ... -
Optimizer Trace Resources
Optimizer Trace Walkthrough talk at MariaDB Fest 2020: https://mariadb.org/...
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