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Add load test notebook #18

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0c841c8
Add load test notebook
pydanny Jan 14, 2025
e735f37
Add timeit
pydanny Jan 14, 2025
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274 changes: 274 additions & 0 deletions nbs/load_tests.ipynb
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Original file line number Diff line number Diff line change
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{
"cells": [
{
"cell_type": "markdown",
"id": "0446d834",
"metadata": {},
"source": [
"# Load tests\n",
"\n",
"> Performance testing for apswutils using different configuration"
]
},
{
"cell_type": "markdown",
"id": "03c8fc1f",
"metadata": {},
"source": [
"Plan: \n",
"\n",
"1. Create a single db load test that uses threading to perform a high volume of writes and some reads to replicate behavior under load by many users. Lock errors will be append to a simple text file called 'lock-errors.txt'\n",
"2. Extract that from the cell and feed that into timeit and/or cProfile in another cell"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "c28db89e",
"metadata": {},
"outputs": [],
"source": [
"import threading\n",
"import random\n",
"from string import ascii_letters\n",
"from apswutils.db import Database, Table\n",
"import timeit\n",
"import inspect"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "686289a0",
"metadata": {},
"outputs": [],
"source": [
"def get_table(reset=False):\n",
" db = Database(\"load.db\")\n",
" if reset:\n",
" for t in db.tables: t.drop()\n",
" users = Table(db, 'Users')\n",
" users.create(columns=dict(id=int, name=str), transform=True, pk='id')\n",
" return users"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "a6eaa87e",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"<Table Users (id, name)>"
]
},
"execution_count": null,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"users = get_table(reset=False)\n",
"users"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f1476bfb",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'SCyFLvRxqC'"
]
},
"execution_count": null,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def get_random_name(length=10):\n",
" return ''.join(random.choice(ascii_letters) for _ in range(length))\n",
"get_random_name()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "117629a1",
"metadata": {},
"outputs": [],
"source": [
"def get_user(id): return users.get(id)\n",
"def set_user(id,name): return users.insert({'name':name},pk='id')"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "1976b770",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"{'id': 1, 'name': 'BqjlFTjvLU', 'type': 'write'}"
]
},
"execution_count": null,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def db_worker():\n",
" record = set_user(random.randint(1,1000), get_random_name()).result[0]\n",
" record['type'] = 'write'\n",
" return record\n",
"db_worker()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4ff89700",
"metadata": {},
"outputs": [],
"source": [
"def db_worker_batch(size=100):\n",
" for i in range(size): db_worker()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "d36eb83a",
"metadata": {},
"outputs": [],
"source": [
"def run_concurrent_workers(n_threads=10):\n",
" print(users.count)\n",
" threads = []\n",
" for _ in range(n_threads):\n",
" t = threading.Thread(target=db_worker_batch)\n",
" threads.append(t)\n",
" t.start()\n",
" \n",
" for t in threads:\n",
" t.join()\n",
" print(users.count)\n",
" print('-------')"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "86ab4bd7",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"555201\n",
"555301\n",
"-------\n"
]
}
],
"source": [
"run_concurrent_workers(1)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "8d418750",
"metadata": {},
"outputs": [],
"source": [
"setup = \"\"\"\n",
"import threading\n",
"import random\n",
"from string import ascii_letters\n",
"from apswutils.db import Database, Table\n",
"\"\"\"\n",
"setup += f'\\n{inspect.getsource(get_table)}'\n",
"setup += f'\\nusers = get_table()'\n",
"setup += f'\\n{inspect.getsource(get_random_name)}'\n",
"setup += f'\\n{inspect.getsource(get_user)}'\n",
"setup += f'\\n{inspect.getsource(set_user)}'\n",
"setup += f'\\n{inspect.getsource(db_worker)}'\n",
"setup += f'\\n{inspect.getsource(db_worker_batch)}'\n",
"setup += f'\\n{inspect.getsource(run_concurrent_workers)}'\n",
"\n",
"# print(setup)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "60d38c66",
"metadata": {},
"outputs": [],
"source": [
"test_code = \"\"\"run_concurrent_workers(1000)\"\"\""
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "5b656178",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"555301\n",
"655301\n",
"-------\n",
"655301\n",
"755301\n",
"-------\n",
"755301\n",
"855301\n",
"-------\n",
"855301\n",
"955301\n",
"-------\n",
"955301\n",
"1055301\n",
"-------\n",
"[291.8241256250185, 300.83988204202615, 285.32696783400024, 269.2562499170017, 268.16414191701915]\n"
]
}
],
"source": [
"print(timeit.repeat(stmt=test_code, setup=setup, number=1))"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "ccd6594e",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "python3",
"language": "python",
"name": "python3"
}
},
"nbformat": 4,
"nbformat_minor": 5
}