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@Viicos
Created February 16, 2026 14:39
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web-framework-performance
curl -X POST http://localhost:9000/test \
-H "Content-Type: application/json" \
-d '{
"customer": {
"id": 1,
"name": "John Doe",
"status": "active",
"addresses": [
{"street": "123 Main St", "city": "Springfield", "country": "US", "postal_code": "62701", "coordinates": [39.7817, -89.6501]},
{"street": "456 Oak Ave", "city": "Chicago", "country": "US", "postal_code": "60601", "coordinates": [41.8781, -87.6298]},
{"street": "789 Pine Rd", "city": "Austin", "country": "US", "postal_code": "73301", "coordinates": [30.2672, -97.7431]},
{"street": "101 Maple Dr", "city": "Denver", "country": "US", "postal_code": "80201", "coordinates": [39.7392, -104.9903]},
{"street": "202 Elm St", "city": "Seattle", "country": "US", "postal_code": "98101", "coordinates": [47.6062, -122.3321]},
{"street": "303 Birch Ln", "city": "Portland", "country": "US", "postal_code": "97201", "coordinates": [45.5152, -122.6784]},
{"street": "404 Cedar Ct", "city": "Miami", "country": "US", "postal_code": "33101", "coordinates": [25.7617, -80.1918]},
{"street": "505 Walnut Blvd", "city": "Boston", "country": "US", "postal_code": "02101", "coordinates": [42.3601, -71.0589]},
{"street": "606 Spruce Way", "city": "Atlanta", "country": "US", "postal_code": "30301", "coordinates": [33.7490, -84.3880]},
{"street": "707 Willow Pl", "city": "San Francisco", "country": "US", "postal_code": "94101", "coordinates": [37.7749, -122.4194]}
],
"contacts": [
{"email": "john@example.com", "phone": "+1234567890", "preferred": true},
{"email": "john.doe@work.com", "phone": "+1234567891", "preferred": false},
{"email": "jdoe@personal.net", "phone": "+1234567892", "preferred": false},
{"email": "john.d@startup.io", "phone": "+1234567893", "preferred": false},
{"email": "johndoe@mail.org", "phone": "+1234567894", "preferred": false},
{"email": "j.doe@corp.com", "phone": "+1234567895", "preferred": false},
{"email": "john.doe@uni.edu", "phone": "+1234567896", "preferred": false},
{"email": "jd@freelance.dev", "phone": "+1234567897", "preferred": false},
{"email": "johnd@shop.co", "phone": "+1234567898", "preferred": false},
{"email": "doe.john@cloud.com", "phone": "+1234567899", "preferred": false}
],
"created_at": "2024-01-15T10:30:00",
"birth_date": "1990-05-20"
},
"items": [
{"product_id": 42, "name": "Widget Pro", "order_date": "2024-06-15T14:00:00", "quantity": 3, "unit_price": "29.99", "discount": 0.1, "tags": ["electronics", "sale"], "metadata": {"warehouse": "A1", "weight": 1.5}},
{"product_id": 43, "name": "Gadget Plus", "order_date": "2024-06-15T14:05:00", "quantity": 1, "unit_price": "49.99", "discount": 0.0, "tags": ["electronics", "new"], "metadata": {"warehouse": "B2", "weight": 0.8}},
{"product_id": 44, "name": "Sensor Max", "order_date": "2024-06-15T14:10:00", "quantity": 5, "unit_price": "15.50", "discount": 0.15, "tags": ["industrial", "bulk"], "metadata": {"warehouse": "C3", "weight": 0.3}},
{"product_id": 45, "name": "Cable Ultra", "order_date": "2024-06-16T09:00:00", "quantity": 10, "unit_price": "8.99", "discount": 0.2, "tags": ["accessories", "sale", "popular"], "metadata": {"warehouse": "A1", "weight": 0.1}},
{"product_id": 46, "name": "Battery Pack XL", "order_date": "2024-06-16T09:30:00", "quantity": 2, "unit_price": "34.99", "discount": 0.05, "tags": ["power", "portable"], "metadata": {"warehouse": "D4", "weight": 2.0}},
{"product_id": 47, "name": "Screen Guard HD", "order_date": "2024-06-16T10:00:00", "quantity": 8, "unit_price": "12.49", "discount": 0.0, "tags": ["accessories", "protection"], "metadata": {"warehouse": "B2", "weight": 0.05}},
{"product_id": 48, "name": "Dock Station Pro", "order_date": "2024-06-16T11:00:00", "quantity": 1, "unit_price": "89.99", "discount": 0.1, "tags": ["electronics", "premium", "office"], "metadata": {"warehouse": "E5", "weight": 3.5}},
{"product_id": 49, "name": "Wireless Mouse", "order_date": "2024-06-17T08:00:00", "quantity": 4, "unit_price": "24.99", "discount": 0.0, "tags": ["peripherals", "wireless"], "metadata": {"warehouse": "A1", "weight": 0.2}},
{"product_id": 50, "name": "USB Hub 7-Port", "order_date": "2024-06-17T08:30:00", "quantity": 2, "unit_price": "19.99", "discount": 0.25, "tags": ["accessories", "connectivity"], "metadata": {"warehouse": "C3", "weight": 0.4}},
{"product_id": 51, "name": "Keyboard Mech RGB", "order_date": "2024-06-17T09:00:00", "quantity": 1, "unit_price": "129.99", "discount": 0.05, "tags": ["peripherals", "gaming", "rgb"], "metadata": {"warehouse": "D4", "weight": 1.2}}
],
"payments": [
{"method": "credit_card", "amount": "80.97", "currency": "USD", "processed_at": "2024-06-15T14:05:00"},
{"method": "debit_card", "amount": "49.99", "currency": "USD", "processed_at": "2024-06-15T14:10:00"},
{"method": "paypal", "amount": "65.88", "currency": "USD", "processed_at": "2024-06-15T14:15:00"},
{"method": "credit_card", "amount": "89.90", "currency": "EUR", "processed_at": "2024-06-16T09:05:00"},
{"method": "bank_transfer", "amount": "69.98", "currency": "USD", "processed_at": "2024-06-16T09:35:00"},
{"method": "credit_card", "amount": "99.92", "currency": "USD", "processed_at": "2024-06-16T10:05:00"},
{"method": "apple_pay", "amount": "80.99", "currency": "GBP", "processed_at": "2024-06-16T11:05:00"},
{"method": "google_pay", "amount": "99.96", "currency": "USD", "processed_at": "2024-06-17T08:05:00"},
{"method": "credit_card", "amount": "29.99", "currency": "USD", "processed_at": "2024-06-17T08:35:00"},
{"method": "crypto", "amount": "129.99", "currency": "BTC", "processed_at": "2024-06-17T09:05:00"}
],
"notes": [
"Rush order", "Gift wrap requested", "Handle with care", "Leave at door",
"Signature required", "Insure shipment", "Include receipt", "No plastic packaging",
"Deliver before noon", "Call before delivery", "Fragile items inside", "Stack upright only",
"Temperature sensitive", "Do not bend", "Priority customer", "Loyalty member discount applied",
"Back-ordered item included", "Partial shipment OK", "Consolidate packages", "Return label included"
],
"priority": 9,
"scheduled_time": "14:30:00",
"total_amount": "797.57",
"is_express": true,
"extra_data": {
"shipping": [
{"zone": 3, "carrier": "FedEx", "cost": 12.5},
{"zone": 1, "carrier": "UPS", "cost": 8.99},
{"zone": 5, "carrier": "DHL", "cost": 22.0},
{"zone": 2, "carrier": "USPS", "cost": 5.99},
{"zone": 4, "carrier": "FedEx", "cost": 18.75}
],
"promotions": [
{"code": "SUMMER24", "discount_pct": 10, "min_order": 50.0},
{"code": "WELCOME", "discount_pct": 15, "min_order": 0.0},
{"code": "BULK20", "discount_pct": 20, "min_order": 200.0}
],
"warehouse_notes": [
{"facility": "East", "priority": 1, "handler": "Team A"},
{"facility": "West", "priority": 2, "handler": "Team B"}
]
},
"nested_lists": [
[[1, 2], [3, 4]], [[5, 6]], [[7, 8, 9], [10]],
[[11, 12], [13, 14, 15]], [[16], [17, 18]], [[19, 20]],
[[21, 22, 23]], [[24, 25], [26, 27, 28], [29, 30]],
[[31, 32]], [[33, 34, 35, 36]]
],
"tags_map": {
"category": ["electronics", "gadgets", "peripherals", "accessories"],
"priority": ["express", "rush", "fragile"],
"warehouse": ["east", "west", "central"],
"shipping": ["ground", "air", "overnight", "two-day"],
"customer_type": ["premium", "loyalty", "wholesale"]
}
}'
curl -X POST http://localhost:9000/test-light \
-H "Content-Type: application/json" \
-d '{
"customer": {
"id": 1,
"name": "John Doe",
"status": "active",
"addresses": [
{"street": "123 Main St", "city": "Springfield", "country": "US", "postal_code": "62701", "coordinates": [39.7817, -89.6501]}
],
"contacts": [
{"email": "john@example.com", "phone": "+1234567890", "preferred": true}
],
"created_at": "2024-01-15T10:30:00"
},
"total_amount": "80.97"
}'
# /// script
# requires-python = ">=3.14"
# dependencies = [
# "fastapi>=0.129.0",
# "logfire[fastapi,sqlite3]>=4.22.0",
# "pydantic[email]>=2.12.5",
# "uvicorn>=0.40.0",
# ]
# ///
import sqlite3
from datetime import date, datetime, time
from decimal import Decimal
from enum import Enum
from pathlib import Path
from typing import Annotated
import logfire
import uvicorn
from fastapi import Body, FastAPI
from pydantic import BaseModel, EmailStr, Field
logfire.configure()
app = FastAPI()
logfire.instrument_fastapi(app)
logfire.instrument_sqlite3()
logfire.instrument_pydantic(include={"fastapi"})
class Status(str, Enum):
active = "active"
inactive = "inactive"
pending = "pending"
class Address(BaseModel):
street: str
city: str
country: str
postal_code: str
coordinates: tuple[float, float]
class Contact(BaseModel):
email: EmailStr
phone: str | None = None
preferred: bool = False
class OrderItem(BaseModel):
product_id: int
name: str
order_date: datetime
quantity: int = Field(ge=1)
unit_price: Decimal
discount: float = Field(ge=0, le=1)
tags: list[str] = []
metadata: dict[str, str | int | float] = {}
class Payment(BaseModel):
method: str
amount: Decimal
currency: str = "USD"
processed_at: datetime | None = None
class Customer(BaseModel):
id: int
name: str
status: Status
addresses: list[Address]
contacts: list[Contact]
created_at: datetime
birth_date: date | None = None
class Data(BaseModel):
customer: Customer
items: list[OrderItem]
payments: list[Payment]
notes: list[str] = []
priority: int = Field(ge=1, le=10, default=5)
scheduled_time: time | None = None
total_amount: Decimal
is_express: bool = False
extra_data: dict[str, list[dict[str, int | str | float]]] = {}
nested_lists: list[list[list[int]]] = []
tags_map: dict[str, list[str]] = {}
def _init_connection() -> sqlite3.Connection:
"""Create tables and populate data in an in-memory SQLite database."""
init_db = not Path("blog_post.db").is_file()
conn = sqlite3.connect("blog_post.db", check_same_thread=False)
if init_db:
with logfire.suppress_instrumentation():
cursor = conn.cursor()
# Create tables
cursor.execute("""
CREATE TABLE customers (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
email TEXT,
created_at TEXT
)
""")
cursor.execute("""
CREATE TABLE products (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
category_id INTEGER,
price REAL
)
""")
cursor.execute("""
CREATE TABLE categories (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
parent_id INTEGER
)
""")
cursor.execute("""
CREATE TABLE orders (
id INTEGER PRIMARY KEY,
customer_id INTEGER,
order_date TEXT,
status TEXT,
FOREIGN KEY (customer_id) REFERENCES customers(id)
)
""")
cursor.execute("""
CREATE TABLE order_items (
id INTEGER PRIMARY KEY,
order_id INTEGER,
product_id INTEGER,
quantity INTEGER,
unit_price REAL,
FOREIGN KEY (order_id) REFERENCES orders(id),
FOREIGN KEY (product_id) REFERENCES products(id)
)
""")
cursor.execute("""
CREATE TABLE reviews (
id INTEGER PRIMARY KEY,
product_id INTEGER,
customer_id INTEGER,
rating INTEGER,
comment TEXT,
FOREIGN KEY (product_id) REFERENCES products(id),
FOREIGN KEY (customer_id) REFERENCES customers(id)
)
""")
# Insert sample data
for i in range(1, 101):
cursor.execute(
"INSERT INTO customers VALUES (?, ?, ?, ?)",
(i, f"Customer {i}", f"customer{i}@example.com", "2024-01-01"),
)
for i in range(1, 21):
cursor.execute(
"INSERT INTO categories VALUES (?, ?, ?)",
(i, f"Category {i}", i - 1 if i > 1 else None),
)
for i in range(1, 501):
cursor.execute(
"INSERT INTO products VALUES (?, ?, ?, ?)",
(i, f"Product {i}", (i % 20) + 1, 10.0 + (i % 100)),
)
for i in range(1, 1001):
cursor.execute(
"INSERT INTO orders VALUES (?, ?, ?, ?)",
(
i,
(i % 100) + 1,
"2024-06-15",
"completed" if i % 3 == 0 else "pending",
),
)
for i in range(1, 5001):
cursor.execute(
"INSERT INTO order_items VALUES (?, ?, ?, ?, ?)",
(i, (i % 1000) + 1, (i % 500) + 1, (i % 10) + 1, 15.0 + (i % 50)),
)
for i in range(1, 2001):
cursor.execute(
"INSERT INTO reviews VALUES (?, ?, ?, ?, ?)",
(
i,
(i % 500) + 1,
(i % 100) + 1,
(i % 5) + 1,
f"Review comment {i}",
),
)
conn.commit()
return conn
_db_conn = _init_connection()
# Programmatically register 1000 routes with varying paths and methods
_resources = [
"users",
"products",
"orders",
"reviews",
"categories",
"invoices",
"shipments",
"payments",
"refunds",
"coupons",
"warehouses",
"suppliers",
"employees",
"departments",
"reports",
"tickets",
"comments",
"tags",
"notifications",
"settings",
]
_actions = [
"list",
"search",
"export",
"import",
"validate",
"archive",
"restore",
"sync",
"analyze",
"preview",
]
_methods = ["GET", "POST", "PUT", "PATCH", "DELETE"]
_route_counter = 0
for _resource in _resources:
for _action in _actions:
for _method in _methods:
_path = f"/api/{_resource}/{_action}"
_route_id = _route_counter
async def _handler(
request_id: int = _route_id,
) -> dict:
return {"route_id": request_id, "status": "ok"}
app.add_api_route(
_path,
_handler,
methods=[_method],
name=f"{_resource}_{_action}_{_method.lower()}_{_route_id}",
)
_route_counter += 1
def run_sqlite_heavy_query():
"""Run a query with multiple joins on the pre-initialized SQLite database."""
cursor = _db_conn.cursor()
# Complex query with multiple joins
cursor.execute("""
SELECT
c.id AS customer_id,
c.name AS customer_name,
COUNT(DISTINCT o.id) AS total_orders,
SUM(oi.quantity * oi.unit_price) AS total_spent,
AVG(r.rating) AS avg_rating_given,
cat.name AS most_ordered_category
FROM customers c
LEFT JOIN orders o ON c.id = o.customer_id
LEFT JOIN order_items oi ON o.id = oi.order_id
LEFT JOIN products p ON oi.product_id = p.id
LEFT JOIN categories cat ON p.category_id = cat.id
LEFT JOIN reviews r ON c.id = r.customer_id
GROUP BY c.id, c.name
HAVING total_orders > 0
ORDER BY total_spent DESC
LIMIT 50
""")
columns = [description[0] for description in cursor.description]
results = [dict(zip(columns, row)) for row in cursor.fetchall()]
return results
@app.post("/test", response_model=Data)
async def test(body: Annotated[Data, Body()]):
# Run heavy SQLite query
run_sqlite_heavy_query()
# Store the count in the response for visibility
return body
class DataLight(BaseModel):
customer: Customer
total_amount: Decimal
def run_sqlite_light_query():
"""Run a simpler query on the pre-initialized SQLite database.
Only one join is performed.
"""
cursor = _db_conn.cursor()
# Simple query with a single join
cursor.execute("""
SELECT
c.id AS customer_id,
c.name AS customer_name,
COUNT(o.id) AS total_orders
FROM customers c
LEFT JOIN orders o ON c.id = o.customer_id
GROUP BY c.id, c.name
HAVING total_orders > 0
ORDER BY total_orders DESC
LIMIT 50
""")
columns = [description[0] for description in cursor.description]
results = [dict(zip(columns, row)) for row in cursor.fetchall()]
return results
@app.post("/test-light", response_model=DataLight)
async def test_light(body: Annotated[DataLight, Body()]):
# Run light SQLite query
run_sqlite_light_query()
# Store the count in the response for visibility
return body
uvicorn.run(app, port=9000)
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