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Debashish Ghosal

Aug 31

The Gate That Stayed Silent — When a Blocker Count That Drops Reads as Improvement

#healthydebate #ai #planner #testing

5 min read

Debashish Ghosal

Aug 27

A Reader Audited My OSS Release in Public. He Found the Contradictions I Missed.

#ai #planner #llm #testing

7 min read

Debashish Ghosal

Aug 28

My Agent Refused 96 Times. That Was the Right Output.

#ai #planner #testing #llm

10 min read

Nghề không nhiều chẳng sắc

Jul 7

Composite Index — Multi-column Index

#index #compositeindex #multicolumnindex #planner

12 min read

Jun 21

1.4.10 Planner Hook: When It Fires, How to Use It

#postgres #database #internals #planner

9 min read

Jun 21

1.4.9 Planner Preprocessing: Subquery Pull-up, Predicate Pushdown, Equivalence Classes

#postgres #database #internals #planner

12 min read

Jun 21

1.4.7 Parallel Cost: When to Go Parallel and How Many Workers

#postgres #database #internals #planner

8 min read

Jun 21

1.4.6 Aggregate Cost: Choosing HashAgg vs GroupAgg

#postgres #database #internals #planner

9 min read

Jun 3

1.4.2 Cost Model: Sequential Scan Formula

#postgres #database #internals #planner

10 min read

Jun 2

1.4.1 Path Tree vs Plan Tree: What's the Difference

#postgres #database #internals #planner

11 min read

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