fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
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83 lines
2.5 KiB
83 lines
2.5 KiB
#!/usr/bin/env python3
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# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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from __future__ import absolute_import, division, print_function, unicode_literals
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import argparse
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import random
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import subprocess
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import sys
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import time
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def generate_runtimes(total_runtime):
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# combination of short runtimes and long runtimes, with heavier
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# weight on short runtimes
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possible_runtimes_sec = list(range(1, 10)) + list(range(1, 20)) + [100, 1000]
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runtimes = []
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while total_runtime > 0:
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chosen = random.choice(possible_runtimes_sec)
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chosen = min(chosen, total_runtime)
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runtimes.append(chosen)
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total_runtime -= chosen
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return runtimes
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def main(args):
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runtimes = generate_runtimes(int(args.runtime_sec))
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print(
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"Going to execute write stress for " + str(runtimes)
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) # noqa: E999 T25377293 Grandfathered in
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first_time = True
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for runtime in runtimes:
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kill = random.choice([False, True])
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cmd = "./write_stress --runtime_sec=" + ("-1" if kill else str(runtime))
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if len(args.db) > 0:
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cmd = cmd + " --db=" + args.db
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if first_time:
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first_time = False
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else:
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# use current db
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cmd = cmd + " --destroy_db=false"
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if random.choice([False, True]):
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cmd = cmd + " --delete_obsolete_files_with_fullscan=true"
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if random.choice([False, True]):
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cmd = cmd + " --low_open_files_mode=true"
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print(
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"Running write_stress for %d seconds (%s): %s"
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% (runtime, ("kill-mode" if kill else "clean-shutdown-mode"), cmd)
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)
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child = subprocess.Popen([cmd], shell=True)
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killtime = time.time() + runtime
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while not kill or time.time() < killtime:
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time.sleep(1)
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if child.poll() is not None:
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if child.returncode == 0:
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break
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else:
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print(
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"ERROR: write_stress died with exitcode=%d\n" % child.returncode
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)
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sys.exit(1)
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if kill:
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child.kill()
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# breathe
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time.sleep(3)
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if __name__ == "__main__":
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random.seed(time.time())
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parser = argparse.ArgumentParser(
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description="This script runs and kills \
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write_stress multiple times"
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)
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parser.add_argument("--runtime_sec", default="1000")
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parser.add_argument("--db", default="")
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args = parser.parse_args()
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main(args)
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