fix(memory): prepared statements cache retains gigabytes after statement spike - #1282

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IgorOhrimenko wants to merge 10 commits into

pgdogdev:mainfrom

IgorOhrimenko:prepared-statements-memory-accounting

Commits on Aug 12, 2026

fix(stats): count hash table capacity in prepared statements memory accounting
IgorOhrimenko
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b72a450
fix(memory): shrink prepared statement cache tables after mass removal
IgorOhrimenko
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2369970
test: drop comments that restate the assertions
IgorOhrimenko
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4bf73f5
test: hoist assert message values so coverage sees them
IgorOhrimenko
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f5b8986
review: document MemoryUsage contract, tighten shrink threshold, precise metric help
IgorOhrimenko
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b8958d8
docs: trim MemoryUsage contract to the essentials
IgorOhrimenko
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26a3522
test: single-line asserts so coverage does not count panic-branch lines
IgorOhrimenko
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cd8862b
test: assertions without panic-branch message lines
IgorOhrimenko
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bfd1527
review: O(1) memory reporting for the global cache, shrink_to_fit
IgorOhrimenko
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fa5f598
Match insert_row_description's by-value signature in the test
IgorOhrimenko
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7b78c7e