mirror of https://github.com/facebook/rocksdb.git
74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
#! /usr/bin/env python
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import subprocess
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import argparse
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import random
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import time
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import sys
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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 = range(1, 10) + 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 "Going to execute write stress for " + str(runtimes)
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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=' + \
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("-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("Running write_stress for %d seconds (%s): %s" %
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(runtime, ("kill-mode" if kill else "clean-shutdown-mode"),
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cmd))
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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("ERROR: write_stress died with exitcode=%d\n"
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% child.returncode)
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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(description="This script runs and kills \
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write_stress multiple times")
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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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