generated from coulomb/repo-seed
tegwick
94c7817339
Replace the fixed 15s TTL on GET /state/summary with per-table revision watermarks, stale-while-revalidate background refresh, and a progress-tail section split. SQLAlchemy write hooks invalidate core or progress sections on mutation. Adds tests, benchmark script, and operator docs.
40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#!/usr/bin/env python3
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"""Quick benchmark for /state/summary revision cache (STATE-WP-0066)."""
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from __future__ import annotations
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import argparse
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import statistics
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import sys
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import time
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import urllib.request
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--base-url", default="http://127.0.0.1:8000")
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parser.add_argument("--requests", type=int, default=10)
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args = parser.parse_args()
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url = f"{args.base_url.rstrip('/')}/state/summary"
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timings: list[float] = []
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last_cache = ""
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# Prime cache
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with urllib.request.urlopen(url, timeout=30) as resp:
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resp.read()
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last_cache = resp.headers.get("X-StateHub-Cache", "")
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for _ in range(args.requests):
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started = time.perf_counter()
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with urllib.request.urlopen(url, timeout=30) as resp:
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resp.read()
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last_cache = resp.headers.get("X-StateHub-Cache", "")
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timings.append(time.perf_counter() - started)
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p95 = statistics.quantiles(timings, n=20)[18] if len(timings) >= 2 else timings[0]
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print(f"requests={args.requests} p50={statistics.median(timings):.3f}s p95={p95:.3f}s last_cache={last_cache}")
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return 0 if last_cache == "hit-revision" else 1
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if __name__ == "__main__":
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sys.exit(main()) |