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PostgreSQL Advanced Architect Tutorial• 6 min read
Query Tuning, Indexes & Configuration
Diagnose bottlenecks using EXPLAIN (ANALYZE, BUFFERS) and optimize key server memory settings like shared_buffers and work_mem.
Tuning Memory Settings in postgresql.conf
shared_buffers: RAM dedicated to caching table and index blocks (typically set to 25% of total system RAM).work_mem: Memory used by internal sort operations and hash tables before writing to temporary disk files.ADVERTISEMENT
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Test Yourself With Exercise
What PostgreSQL configuration parameter controls the amount of memory dedicated to caching shared database pages in RAM?