thekevinbot · Oct 16, 2026 · Oct 15, 2026 · Oct 15, 2026 · Oct 15, 2026 · Oct 15, 2026
diff --git a/packages/python/e2e-attestations/bot-1483-fm-speed-1015.json b/packages/python/e2e-attestations/bot-1483-fm-speed-1015.json
@@ -0,0 +1,7 @@
+{
+  "command": "uv run python -m pytest tests/e2e/frontmatter_parse_speed_test.py tests/e2e/jsonl_parse_speed_test.py tests/e2e/on_file_query_test.py tests/e2e/fanout_test.py tests/e2e/declared_table_name_test.py tests/e2e/query_contract_test.py tests/e2e/use_case_notebook_test.py tests/e2e/use_case_transcripts_test.py tests/e2e/sigint_interrupt_test.py -x -q -s",
+  "ran_at": 1792073709,
+  "exit_code": 0,
+  "commit": "fe211d95faa7bcae8234f897ce0d9c657072ecca",
+  "branch": "bot/1483-fm-speed-1015"
+}
diff --git a/packages/rust/changelog.d/2026-10-15-config-scan-bookkeeping-off-main-thread.md b/packages/rust/changelog.d/2026-10-15-config-scan-bookkeeping-off-main-thread.md
@@ -0,0 +1,3 @@
+**Changed**
+
+- **A config table's startup scan builds each file's relative path on the walk thread that found it, and inserts an `on-file` command's rows while the scanned files are still being grouped.** A config over many files, such as a notes vault with a frontmatter parser, starts faster. Query results are unchanged.
diff --git a/packages/rust/migrations.d/2026-10-15-config-scan-bookkeeping-off-main-thread.md b/packages/rust/migrations.d/2026-10-15-config-scan-bookkeeping-off-main-thread.md
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+### Faster config-table startup
+
+#### Summary
+
+A config table's startup scan does less per-file work on one thread: the walk threads build each file's relative path, and an `on-file` command's rows are inserted while the scanned files are grouped. Query results are unchanged; nothing breaks.
+
+#### Required changes
+
+_None._
+
+#### Deprecations removed
+
+_None._
+
+#### Behavior changes without code changes
+
+_None._
+
+#### Verification
+
+```bash
+dirsql query "SELECT count(*) FROM notes" -c .dirsql.toml
+```
+
+Prints the same count as before, sooner.
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		Changed

		- A config table's startup scan builds each file's relative path on the walk thread that found it, and inserts an `on-file` command's rows while the scanned files are still being grouped. A config over many files, such as a notes vault with a frontmatter parser, starts faster. Query results are unchanged.