docs(benchmarks): capture 2026-05-15 remaining-benches results — postgres backend#78
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…gres backend 5 of 9 mempalace benchmark suites that had not run after the postgres cutover, re-run against ``disks:5433`` (273k drawers, mempalace_2026_05_13). Suites: ``test_ingest_bench``, ``test_knowledge_graph_bench``, ``test_layers_bench``, ``test_mcp_bench``, ``test_memory_profile``. Skipped: ``test_chromadb_stress`` (chromadb-specific, we're on postgres). Already captured separately: ``test_search_bench``, ``test_recall_threshold``, ``test_palace_boost`` (2026-05-14). Result: **64 / 64 passed in 1h 24m 25s** at ``--bench-scale=small``. Headlines from the JSON: * ingest 100-file batch: 6.5 files/s, 15.3 drawers/s, peak RSS 389 MB (Δ 25.5 MB) * knowledge-graph stats latency stable from 500 → 5000 scale points * layer-1 unbounded fetch RSS growth stays sub-linear through 5000 * MCP tool-status repeated-call RSS profile clean (no leak signal) * heap top allocators on search consistent with prior chromadb-era numbers — no regression on the hot path Probe results from a previous bench run (search/recall/boost) are at ``docs/benchmarks/2026-05-14-search-bench-hybrid-cutover.json``. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Captures the 5 of 9 mempalace benchmark suites that hadn't been re-run after the postgres cutover. Result: 64 / 64 passed in 1h 24m.
Already captured 2026-05-14: `test_search_bench`, `test_recall_threshold`, `test_palace_boost` (`docs/benchmarks/2026-05-14-search-bench-hybrid-cutover.json`).
Headlines from the JSON
Postgres backend (`disks:5433`, 273k-drawer `mempalace_2026_05_13` database) used as TEST_POSTGRES_DSN.
Test plan
🤖 Generated with Claude Code