376 lines
14 KiB
Python
Executable File
376 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2021 Memgraph Ltd.
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#
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# Use of this software is governed by the Business Source License
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# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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# License, and you may not use this file except in compliance with the Business Source License.
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#
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# As of the Change Date specified in that file, in accordance with
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# the Business Source License, use of this software will be governed
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# by the Apache License, Version 2.0, included in the file
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# licenses/APL.txt.
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import argparse
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import collections
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import copy
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import fnmatch
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import inspect
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import json
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import multiprocessing
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import random
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import sys
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import datasets
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import log
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import helpers
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import runners
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WITH_FINE_GRAINED_AUTHORIZATION = "with_fine_grained_authorization"
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WITHOUT_FINE_GRAINED_AUTHORIZATION = "without_fine_grained_authorization"
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def get_queries(gen, count):
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# Make the generator deterministic.
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random.seed(gen.__name__)
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# Generate queries.
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ret = []
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for i in range(count):
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ret.append(gen())
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return ret
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def match_patterns(dataset, variant, group, test, is_default_variant, patterns):
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for pattern in patterns:
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verdict = [fnmatch.fnmatchcase(dataset, pattern[0])]
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if pattern[1] != "":
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verdict.append(fnmatch.fnmatchcase(variant, pattern[1]))
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else:
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verdict.append(is_default_variant)
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verdict.append(fnmatch.fnmatchcase(group, pattern[2]))
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verdict.append(fnmatch.fnmatchcase(test, pattern[3]))
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if all(verdict):
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return True
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return False
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def filter_benchmarks(generators, patterns):
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patterns = copy.deepcopy(patterns)
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for i in range(len(patterns)):
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pattern = patterns[i].split("/")
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if len(pattern) > 4 or len(pattern) == 0:
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raise Exception("Invalid benchmark description '" + pattern + "'!")
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pattern.extend(["", "*", "*"][len(pattern) - 1 :])
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patterns[i] = pattern
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filtered = []
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for dataset in sorted(generators.keys()):
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generator, tests = generators[dataset]
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for variant in generator.VARIANTS:
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is_default_variant = variant == generator.DEFAULT_VARIANT
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current = collections.defaultdict(list)
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for group in tests:
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for test_name, test_func in tests[group]:
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if match_patterns(dataset, variant, group, test_name, is_default_variant, patterns):
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current[group].append((test_name, test_func))
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if len(current) > 0:
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filtered.append((generator(variant), dict(current)))
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return filtered
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# Parse options.
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parser = argparse.ArgumentParser(
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description="Memgraph benchmark executor.",
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formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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)
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parser.add_argument(
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"benchmarks",
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nargs="*",
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default="",
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help="descriptions of benchmarks that should be run; "
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"multiple descriptions can be specified to run multiple "
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"benchmarks; the description is specified as "
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"dataset/variant/group/test; Unix shell-style wildcards "
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"can be used in the descriptions; variant, group and test "
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"are optional and they can be left out; the default "
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"variant is '' which selects the default dataset variant; "
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"the default group is '*' which selects all groups; the "
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"default test is '*' which selects all tests",
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)
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parser.add_argument(
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"--memgraph-binary",
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default=helpers.get_binary_path("memgraph"),
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help="Memgraph binary used for benchmarking",
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)
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parser.add_argument(
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"--client-binary",
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default=helpers.get_binary_path("tests/mgbench/client"),
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help="client binary used for benchmarking",
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)
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parser.add_argument(
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"--num-workers-for-import",
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type=int,
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default=multiprocessing.cpu_count() // 2,
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help="number of workers used to import the dataset",
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)
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parser.add_argument(
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"--num-workers-for-benchmark",
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type=int,
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default=1,
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help="number of workers used to execute the benchmark",
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)
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parser.add_argument(
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"--single-threaded-runtime-sec",
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type=int,
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default=10,
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help="single threaded duration of each test",
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)
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parser.add_argument(
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"--no-load-query-counts",
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action="store_true",
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help="disable loading of cached query counts",
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)
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parser.add_argument(
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"--no-save-query-counts",
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action="store_true",
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help="disable storing of cached query counts",
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)
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parser.add_argument(
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"--export-results",
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default="",
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help="file path into which results should be exported",
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)
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parser.add_argument(
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"--temporary-directory",
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default="/tmp",
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help="directory path where temporary data should " "be stored",
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)
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parser.add_argument("--no-properties-on-edges", action="store_true", help="disable properties on edges")
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parser.add_argument("--bolt-port", default=7687, help="memgraph bolt port")
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args = parser.parse_args()
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# Detect available datasets.
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generators = {}
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for key in dir(datasets):
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if key.startswith("_"):
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continue
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dataset = getattr(datasets, key)
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if not inspect.isclass(dataset) or dataset == datasets.Dataset or not issubclass(dataset, datasets.Dataset):
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continue
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tests = collections.defaultdict(list)
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for funcname in dir(dataset):
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if not funcname.startswith("benchmark__"):
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continue
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group, test = funcname.split("__")[1:]
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tests[group].append((test, funcname))
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generators[dataset.NAME] = (dataset, dict(tests))
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if dataset.PROPERTIES_ON_EDGES and args.no_properties_on_edges:
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raise Exception(
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'The "{}" dataset requires properties on edges, ' "but you have disabled them!".format(dataset.NAME)
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)
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# List datasets if there is no specified dataset.
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if len(args.benchmarks) == 0:
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log.init("Available tests")
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for name in sorted(generators.keys()):
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print("Dataset:", name)
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dataset, tests = generators[name]
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print(
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" Variants:",
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", ".join(dataset.VARIANTS),
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"(default: " + dataset.DEFAULT_VARIANT + ")",
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)
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for group in sorted(tests.keys()):
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print(" Group:", group)
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for test_name, test_func in tests[group]:
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print(" Test:", test_name)
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sys.exit(0)
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# Create cache, config and results objects.
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cache = helpers.Cache()
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if not args.no_load_query_counts:
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config = cache.load_config()
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else:
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config = helpers.RecursiveDict()
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results = helpers.RecursiveDict()
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# Filter out the generators.
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benchmarks = filter_benchmarks(generators, args.benchmarks)
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# Run all specified benchmarks.
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for dataset, tests in benchmarks:
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log.init("Preparing", dataset.NAME + "/" + dataset.get_variant(), "dataset")
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dataset.prepare(cache.cache_directory("datasets", dataset.NAME, dataset.get_variant()))
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# Prepare runners and import the dataset.
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memgraph = runners.Memgraph(
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args.memgraph_binary,
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args.temporary_directory,
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not args.no_properties_on_edges,
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args.bolt_port,
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)
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client = runners.Client(args.client_binary, args.temporary_directory, args.bolt_port)
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memgraph.start_preparation()
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ret = client.execute(file_path=dataset.get_file(), num_workers=args.num_workers_for_import)
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usage = memgraph.stop()
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# Display import statistics.
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print()
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for row in ret:
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print(
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"Executed",
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row["count"],
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"queries in",
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row["duration"],
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"seconds using",
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row["num_workers"],
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"workers with a total throughput of",
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row["throughput"],
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"queries/second.",
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)
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print()
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print(
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"The database used",
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usage["cpu"],
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"seconds of CPU time and peaked at",
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usage["memory"] / 1024 / 1024,
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"MiB of RAM.",
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)
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# Save import results.
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import_key = [dataset.NAME, dataset.get_variant(), "__import__"]
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results.set_value(*import_key, value={"client": ret, "database": usage})
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# TODO: cache import data
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# Run all benchmarks in all available groups.
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for with_fine_grained_authorization in [False, True]:
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if with_fine_grained_authorization:
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memgraph.start_preparation()
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client.execute(file_path=dataset.get_file(), num_workers=args.num_workers_for_import)
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client.execute(
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queries=[
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("CREATE USER user IDENTIFIED BY 'test';", {}),
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("GRANT ALL PRIVILEGES TO user;", {}),
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("GRANT CREATE_DELETE ON EDGE_TYPES * TO user;", {}),
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("GRANT CREATE_DELETE ON LABELS * TO user;", {}),
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]
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)
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client = runners.Client(
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args.client_binary,
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args.temporary_directory,
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args.bolt_port,
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username="user",
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password="test",
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)
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memgraph.stop()
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test_type = (
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WITH_FINE_GRAINED_AUTHORIZATION if with_fine_grained_authorization else WITHOUT_FINE_GRAINED_AUTHORIZATION
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)
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for group in sorted(tests.keys()):
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for test, funcname in tests[group]:
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log.info("Running test:", "{}/{}/{}".format(group, test, test_type))
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func = getattr(dataset, funcname)
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# Get number of queries to execute.
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# TODO: implement minimum number of queries, `max(10, num_workers)`
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config_key = [dataset.NAME, dataset.get_variant(), group, test, test_type]
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cached_count = config.get_value(*config_key)
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if cached_count is None:
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print(
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"Determining the number of queries necessary for",
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args.single_threaded_runtime_sec,
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"seconds of single-threaded runtime...",
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)
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# First run to prime the query caches.
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memgraph.start_benchmark()
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client.execute(queries=get_queries(func, 1), num_workers=1)
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# Get a sense of the runtime.
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count = 1
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while True:
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ret = client.execute(queries=get_queries(func, count), num_workers=1)
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duration = ret[0]["duration"]
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should_execute = int(args.single_threaded_runtime_sec / (duration / count))
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print(
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"executed_queries={}, total_duration={}, "
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"query_duration={}, estimated_count={}".format(
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count, duration, duration / count, should_execute
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)
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)
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# We don't have to execute the next iteration when
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# `should_execute` becomes the same order of magnitude as
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# `count * 10`.
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if should_execute / (count * 10) < 10:
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count = should_execute
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break
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else:
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count = count * 10
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memgraph.stop()
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config.set_value(
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*config_key,
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value={
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"count": count,
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"duration": args.single_threaded_runtime_sec,
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},
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)
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else:
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print(
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"Using cached query count of",
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cached_count["count"],
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"queries for",
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cached_count["duration"],
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"seconds of single-threaded runtime.",
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)
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count = int(cached_count["count"] * args.single_threaded_runtime_sec / cached_count["duration"])
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# Benchmark run.
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print("Sample query:", get_queries(func, 1)[0][0])
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print(
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"Executing benchmark with",
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count,
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"queries that should " "yield a single-threaded runtime of",
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args.single_threaded_runtime_sec,
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"seconds.",
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)
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print(
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"Queries are executed using",
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args.num_workers_for_benchmark,
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"concurrent clients.",
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)
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memgraph.start_benchmark()
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ret = client.execute(
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queries=get_queries(func, count),
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num_workers=args.num_workers_for_benchmark,
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)[0]
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usage = memgraph.stop()
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ret["database"] = usage
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# Output summary.
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print()
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print("Executed", ret["count"], "queries in", ret["duration"], "seconds.")
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print("Queries have been retried", ret["retries"], "times.")
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print("Database used {:.3f} seconds of CPU time.".format(usage["cpu"]))
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print("Database peaked at {:.3f} MiB of memory.".format(usage["memory"] / 1024.0 / 1024.0))
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print("{:<31} {:>20} {:>20} {:>20}".format("Metadata:", "min", "avg", "max"))
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metadata = ret["metadata"]
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for key in sorted(metadata.keys()):
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print(
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"{name:>30}: {minimum:>20.06f} {average:>20.06f} "
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"{maximum:>20.06f}".format(name=key, **metadata[key])
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)
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log.success("Throughput: {:02f} QPS".format(ret["throughput"]))
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# Save results.
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results_key = [dataset.NAME, dataset.get_variant(), group, test, test_type]
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results.set_value(*results_key, value=ret)
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# Save configuration.
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if not args.no_save_query_counts:
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cache.save_config(config)
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# Export results.
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if args.export_results:
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with open(args.export_results, "w") as f:
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json.dump(results.get_data(), f)
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