Interactive labs
All 5 labs in this category
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LAB · 01
B-tree Index Visualizer
Insert values; see B-tree splits and growth.
Open lab →LAB · 02
Database Connection Pool Sizing
Too few: queueing. Too many: thrashing. Find the sweet spot.
Open lab →LAB · 03
MVCC Snapshot Isolation
Two transactions, three versions, snapshot isolation.
Open lab →LAB · 04
pgvector ANN Search
2D vector search with adjustable recall threshold.
Open lab →LAB · 05
Postgres Streaming Replication Lag
Adjust write rate vs replica apply rate; see lag accumulate.
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