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fix conc_latency_p99 calculation; add conc_latency_avg metric; conc_t…
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Signed-off-by: min.tian <[email protected]>
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alwayslove2013 authored and XuanYang-cn committed Nov 26, 2024
1 parent 49bccd1 commit 840a028
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Showing 5 changed files with 40 additions and 16 deletions.
9 changes: 6 additions & 3 deletions vectordb_bench/backend/runner/mp_runner.py
Original file line number Diff line number Diff line change
Expand Up @@ -89,11 +89,12 @@ def get_mp_context():



def _run_all_concurrencies_mem_efficient(self) -> float:
def _run_all_concurrencies_mem_efficient(self):
max_qps = 0
conc_num_list = []
conc_qps_list = []
conc_latency_p99_list = []
conc_latency_avg_list = []
try:
for conc in self.concurrencies:
with mp.Manager() as m:
Expand All @@ -113,13 +114,15 @@ def _run_all_concurrencies_mem_efficient(self) -> float:
start = time.perf_counter()
all_count = sum([r.result()[0] for r in future_iter])
latencies = sum([r.result()[2] for r in future_iter], start=[])
latency_p99 = np.percentile(latencies, 0.99)
latency_p99 = np.percentile(latencies, 99)
latency_avg = np.mean(latencies)
cost = time.perf_counter() - start

qps = round(all_count / cost, 4)
conc_num_list.append(conc)
conc_qps_list.append(qps)
conc_latency_p99_list.append(latency_p99)
conc_latency_avg_list.append(latency_avg)
log.info(f"End search in concurrency {conc}: dur={cost}s, total_count={all_count}, qps={qps}")

if qps > max_qps:
Expand All @@ -136,7 +139,7 @@ def _run_all_concurrencies_mem_efficient(self) -> float:
finally:
self.stop()

return max_qps, conc_num_list, conc_qps_list, conc_latency_p99_list
return max_qps, conc_num_list, conc_qps_list, conc_latency_p99_list, conc_latency_avg_list

def run(self) -> float:
"""
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6 changes: 3 additions & 3 deletions vectordb_bench/backend/task_runner.py
Original file line number Diff line number Diff line change
Expand Up @@ -176,16 +176,16 @@ def _run_perf_case(self, drop_old: bool = True) -> Metric:
or TaskStage.SEARCH_CONCURRENT in self.config.stages
):
self._init_search_runner()
if TaskStage.SEARCH_CONCURRENT in self.config.stages:
search_results = self._conc_search()
m.qps, m.conc_num_list, m.conc_qps_list, m.conc_latency_p99_list, m.conc_latency_avg_list = search_results
if TaskStage.SEARCH_SERIAL in self.config.stages:
search_results = self._serial_search()
'''
m.recall = search_results.recall
m.serial_latencies = search_results.serial_latencies
'''
m.recall, m.ndcg, m.serial_latency_p99 = search_results
if TaskStage.SEARCH_CONCURRENT in self.config.stages:
search_results = self._conc_search()
m.qps, m.conc_num_list, m.conc_qps_list, m.conc_latency_p99_list = search_results

except Exception as e:
log.warning(f"Failed to run performance case, reason = {e}")
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34 changes: 25 additions & 9 deletions vectordb_bench/frontend/components/concurrent/charts.py
Original file line number Diff line number Diff line change
Expand Up @@ -6,23 +6,32 @@
from vectordb_bench.frontend.config.styles import COLOR_MAP


def drawChartsByCase(allData, showCaseNames: list[str], st):
def drawChartsByCase(allData, showCaseNames: list[str], st, latency_type: str):
initMainExpanderStyle(st)
for caseName in showCaseNames:
chartContainer = st.expander(caseName, True)
caseDataList = [data for data in allData if data["case_name"] == caseName]
data = [
{
"conc_num": caseData["conc_num_list"][i],
"qps": caseData["conc_qps_list"][i],
"latency_p99": caseData["conc_latency_p99_list"][i] * 1000,
"qps": caseData["conc_qps_list"][i]
if 0 <= i < len(caseData["conc_qps_list"])
else 0,
"latency_p99": caseData["conc_latency_p99_list"][i] * 1000
if 0 <= i < len(caseData["conc_latency_p99_list"])
else 0,
"latency_avg": caseData["conc_latency_avg_list"][i] * 1000
if 0 <= i < len(caseData["conc_latency_avg_list"])
else 0,
"db_name": caseData["db_name"],
"db": caseData["db"],
}
for caseData in caseDataList
for i in range(len(caseData["conc_num_list"]))
]
drawChart(data, chartContainer, key=f"{caseName}-qps-p99")
drawChart(
data, chartContainer, key=f"{caseName}-qps-p99", x_metric=latency_type
)


def getRange(metric, data, padding_multipliers):
Expand All @@ -36,14 +45,21 @@ def getRange(metric, data, padding_multipliers):
return rangeV


def drawChart(data, st, key: str):
def gen_title(s: str) -> str:
if "latency" in s:
return f'{s.replace("_", " ").title()} (ms)'
else:
return s.upper()


def drawChart(data, st, key: str, x_metric: str = "latency_p99", y_metric: str = "qps"):
if len(data) == 0:
return

x = "latency_p99"
x = x_metric
xrange = getRange(x, data, [0.05, 0.1])

y = "qps"
y = y_metric
yrange = getRange(y, data, [0.2, 0.1])

color = "db"
Expand All @@ -69,8 +85,8 @@ def drawChart(data, st, key: str):
},
height=720,
)
fig.update_xaxes(range=xrange, title_text="Latency P99 (ms)")
fig.update_yaxes(range=yrange, title_text="QPS")
fig.update_xaxes(range=xrange, title_text=gen_title(x_metric))
fig.update_yaxes(range=yrange, title_text=gen_title(y_metric))
fig.update_traces(textposition="bottom right", texttemplate="conc-%{text:,.4~r}")

st.plotly_chart(fig, use_container_width=True, key=key)
6 changes: 5 additions & 1 deletion vectordb_bench/frontend/pages/concurrent.py
Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,11 @@ def check_conc_data(res: TestResult):
resultesContainer = st.sidebar.container()
getResults(resultesContainer, "vectordb_bench_concurrent")

drawChartsByCase(shownData, showCaseNames, st.container())
# main
latency_type = st.radio("Latency Type", options=["latency_p99", "latency_avg"])
drawChartsByCase(
shownData, showCaseNames, st.container(), latency_type=latency_type
)

# footer
footer(st.container())
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1 change: 1 addition & 0 deletions vectordb_bench/metric.py
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ class Metric:
conc_num_list: list[int] = field(default_factory=list)
conc_qps_list: list[float] = field(default_factory=list)
conc_latency_p99_list: list[float] = field(default_factory=list)
conc_latency_avg_list: list[float] = field(default_factory=list)


QURIES_PER_DOLLAR_METRIC = "QP$ (Quries per Dollar)"
Expand Down

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