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#! /usr/bin/python3
# -*- coding: utf-8 -*-
#--------------------------------------------------------------------------------------------------
# Performance tests
#
# Copyright 2020 Google LLC
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of the License at
# https://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software distributed under the
# License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
# either express or implied. See the License for the specific language governing permissions
# and limitations under the License.
#--------------------------------------------------------------------------------------------------
import argparse
import asyncio
import os
import re
import random
import shutil
import sys
import threading
import time
from tkrzw import *
# main routine
def main(argv):
ap = argparse.ArgumentParser(
prog="perf.py", description="Performance Checker",
formatter_class=argparse.RawDescriptionHelpFormatter)
ap.add_argument("--path", default="")
ap.add_argument("--params", default="")
ap.add_argument("--iter", type=int, default=10000)
ap.add_argument("--threads", type=int, default=1)
ap.add_argument("--async_threads", type=int, default=0)
ap.add_argument("--random", action='store_true', default=False)
args = ap.parse_args(argv)
path = args.path
open_params = {}
open_params_exprs = []
for field in args.params.split(","):
columns = field.split("=", 1)
if len(columns) == 2:
open_params[columns[0]] = columns[1]
open_params_exprs.append(columns[0] + "=" + columns[1])
num_iterations = args.iter
num_threads = args.threads
is_random = args.random
print("path: {}".format(path))
print("params: {}".format(",".join(open_params_exprs)))
print("num_iterations: {}".format(num_iterations))
print("num_threads: {}".format(num_threads))
print("is_random: {}".format(is_random))
print("")
open_params["truncate"] = True
start_mem_usage = Utility.GetMemoryUsage()
dbm = DBM()
dbm.Open(path, True, **open_params).OrDie()
adbm = None
if args.async_threads > 0:
adbm = AsyncDBM(dbm, args.async_threads)
class Setter(threading.Thread):
def __init__(self, thid):
threading.Thread.__init__(self)
self.thid = thid
def run(self):
rnd_state = random.Random(self.thid)
for i in range(0, num_iterations):
if is_random:
key_num = rnd_state.randint(1, num_iterations * num_threads)
else:
key_num = self.thid * num_iterations + i
key = "{:08d}".format(key_num)
if adbm:
adbm.Set(key, key).Get().OrDie()
else:
dbm.Set(key, key).OrDie()
seq = i + 1
if self.thid == 0 and seq % (num_iterations / 500) == 0:
print(".", end="")
if seq % (num_iterations / 10) == 0:
print(" ({:08d})".format(seq))
sys.stdout.flush()
print("Setting:")
start_time = time.time()
threads = []
for thid in range(0, num_threads):
th = Setter(thid)
th.start()
threads.append(th)
for th in threads:
th.join()
dbm.Synchronize(False).OrDie()
end_time = time.time()
elapsed = end_time - start_time
mem_usage = Utility.GetMemoryUsage() - start_mem_usage
print("Setting done: num_records={:d} file_size={:d} time={:.3f} qps={:.0f} mem={:d}".format(
dbm.Count(), dbm.GetFileSize() or -1,
elapsed, num_iterations * num_threads / elapsed, mem_usage))
print("")
class Getter(threading.Thread):
def __init__(self, thid):
threading.Thread.__init__(self)
self.thid = thid
def run(self):
rnd_state = random.Random(self.thid)
for i in range(0, num_iterations):
if is_random:
key_num = rnd_state.randint(1, num_iterations * num_threads)
else:
key_num = self.thid * num_iterations + i
key = "{:08d}".format(key_num)
if adbm:
status, value = adbm.Get(key).Get()
else:
status = Status()
value = dbm.Get(key, status)
if status != Status.SUCCESS and status != Status.NOT_FOUND_ERROR:
raise RuntimeError("Get failed: " + str(status))
seq = i + 1
if self.thid == 0 and seq % (num_iterations / 500) == 0:
print(".", end="")
if seq % (num_iterations / 10) == 0:
print(" ({:08d})".format(seq))
sys.stdout.flush()
print("Getting:")
start_time = time.time()
threads = []
for thid in range(0, num_threads):
th = Getter(thid)
th.start()
threads.append(th)
for th in threads:
th.join()
end_time = time.time()
elapsed = end_time - start_time
mem_usage = Utility.GetMemoryUsage() - start_mem_usage
print("Getting done: num_records={:d} file_size={:d} time={:.3f} qps={:.0f} mem={:d}".format(
dbm.Count(), dbm.GetFileSize() or -1,
elapsed, num_iterations * num_threads / elapsed, mem_usage))
print("")
class Remover(threading.Thread):
def __init__(self, thid):
threading.Thread.__init__(self)
self.thid = thid
def run(self):
rnd_state = random.Random(self.thid)
for i in range(0, num_iterations):
if is_random:
key_num = rnd_state.randint(1, num_iterations * num_threads)
else:
key_num = self.thid * num_iterations + i
key = "{:08d}".format(key_num)
if adbm:
status = adbm.Remove(key).Get()
else:
status = dbm.Remove(key)
if status != Status.SUCCESS and status != Status.NOT_FOUND_ERROR:
raise RuntimeError("Remove failed: " + str(status))
seq = i + 1
if self.thid == 0 and seq % (num_iterations / 500) == 0:
print(".", end="")
if seq % (num_iterations / 10) == 0:
print(" ({:08d})".format(seq))
sys.stdout.flush()
print("Removing:")
start_time = time.time()
threads = []
for thid in range(0, num_threads):
th = Remover(thid)
th.start()
threads.append(th)
for th in threads:
th.join()
dbm.Synchronize(False).OrDie()
end_time = time.time()
elapsed = end_time - start_time
mem_usage = Utility.GetMemoryUsage() - start_mem_usage
print("Removing done: num_records={:d} file_size={:d} time={:.3f} qps={:.0f} mem={:d}".format(
dbm.Count(), dbm.GetFileSize() or -1,
elapsed, num_iterations * num_threads / elapsed, mem_usage))
print("")
dbm.Close().OrDie()
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))
# END OF FILE
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