108 lines
3.2 KiB
Python
108 lines
3.2 KiB
Python
# coding: utf-8
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"""BigQMT Redis RPC latency benchmark.
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Measures end-to-end latency for ping (no QMT API call) and get_full_tick
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(real ContextInfo call) to separate transport cost from API cost.
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"""
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import os
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import statistics
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import time
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import redis
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from bigqmt_signal_trader.redis_rpc import call_redis_rpc
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def _load_redis_config():
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"""Pull connection details from the local client config or env vars.
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Never hardcode secrets in the repo.
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"""
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try:
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from bigqmt_signal_trader.xtquant_compat import load_client_config
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cfg = load_client_config()
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rc = dict(cfg.get("redis_config") or {})
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rc.setdefault("host", os.environ.get("BIGQMT_REDIS_HOST", "127.0.0.1"))
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rc.setdefault("port", int(os.environ.get("BIGQMT_REDIS_PORT", "6379")))
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rc.setdefault("db", int(os.environ.get("BIGQMT_REDIS_DB", "5")))
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return {
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"host": rc.get("host"),
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"port": int(rc.get("port")),
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"db": int(rc.get("db")),
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"username": rc.get("username") or None,
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"password": rc.get("password") or None,
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"socket_timeout": 8,
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}
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except Exception:
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return {
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"host": os.environ.get("BIGQMT_REDIS_HOST", "127.0.0.1"),
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"port": int(os.environ.get("BIGQMT_REDIS_PORT", "6379")),
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"db": int(os.environ.get("BIGQMT_REDIS_DB", "5")),
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"socket_timeout": 8,
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}
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ACCOUNT = os.environ.get("BIGQMT_ACCOUNT_ID", "")
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REDIS = _load_redis_config()
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def bench(r, method, params, n=20, timeout=6):
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lats = []
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errors = 0
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for i in range(n):
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t0 = time.time()
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try:
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resp = call_redis_rpc(r, ACCOUNT, method, params, timeout_seconds=timeout)
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dt = (time.time() - t0) * 1000
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if resp.get("ok"):
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lats.append(dt)
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else:
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errors += 1
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if errors <= 2:
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print(" %s #%d error: %s" % (method, i, resp.get("error", "")[:120]))
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except Exception as e:
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errors += 1
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if errors <= 2:
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print(" %s #%d exc: %s" % (method, i, e))
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if not lats:
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print("%-18s: ALL FAILED (%d errors)" % (method, errors))
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return
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lats.sort()
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p50 = statistics.median(lats)
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p95 = lats[int(len(lats) * 0.95)] if len(lats) >= 20 else lats[-1]
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print(
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"%-18s: n=%d ok=%d fail=%d min=%.0f p50=%.0f p95=%.0f max=%.0f avg=%.0f ms"
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% (
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method,
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len(lats),
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len(lats),
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errors,
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min(lats),
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p50,
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p95,
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max(lats),
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statistics.mean(lats),
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)
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)
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def main():
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r = redis.Redis(**REDIS)
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# warmup
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try:
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call_redis_rpc(r, ACCOUNT, "ping", {}, timeout_seconds=6)
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print("warmup ping ok\n")
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except Exception as e:
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print("warmup FAILED: %s\n" % e)
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return
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print("=== latency benchmark (20 calls each) ===")
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bench(r, "ping", {}, n=20)
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bench(r, "get_full_tick", {"codes": ["000001.SZ"]}, n=20)
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bench(r, "get_full_tick", {"codes": ["000001.SZ", "600000.SH", "000333.SZ"]}, n=20)
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bench(r, "get_instrument", {"code": "000001.SZ"}, n=20)
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if __name__ == "__main__":
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main()
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