mirror of https://github.com/facebook/rocksdb.git
137 lines
4.3 KiB
Python
137 lines
4.3 KiB
Python
#! /usr/bin/env python
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import os
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import re
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import sys
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import time
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import random
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import getopt
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import logging
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import tempfile
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import subprocess
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# This script runs and kills db_stress multiple times. It checks consistency
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# in case of unsafe crashes in Rocksdb.
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def main(argv):
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try:
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opts, args = getopt.getopt(argv, "hd:t:i:o:b:")
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except getopt.GetoptError:
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print("db_crashtest.py -d <duration_test> -t <#threads> "
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"-i <interval for one run> -o <ops_per_thread> "
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"-b <write_buffer_size>\n")
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sys.exit(2)
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# default values, will be overridden by cmdline args
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interval = 120 # time for one db_stress instance to run
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duration = 6000 # total time for this script to test db_stress
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threads = 32
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# since we will be killing anyway, use large value for ops_per_thread
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ops_per_thread = 100000000
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write_buf_size = 4 * 1024 * 1024
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for opt, arg in opts:
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if opt == '-h':
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print("db_crashtest.py -d <duration_test>"
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" -t <#threads> -i <interval for one run>"
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" -o <ops_per_thread> -b <write_buffer_size>\n")
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sys.exit()
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elif opt == "-d":
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duration = int(arg)
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elif opt == "-t":
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threads = int(arg)
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elif opt == "-i":
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interval = int(arg)
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elif opt == "-o":
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ops_per_thread = int(arg)
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elif opt == "-b":
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write_buf_size = int(arg)
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else:
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print("db_crashtest.py -d <duration_test>"
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" -t <#threads> -i <interval for one run>"
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" -o <ops_per_thread> -b <write_buffer_size>\n")
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sys.exit(2)
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exit_time = time.time() + duration
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print("Running blackbox-crash-test with \ninterval_between_crash="
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+ str(interval) + "\ntotal-duration=" + str(duration)
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+ "\nthreads=" + str(threads) + "\nops_per_thread="
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+ str(ops_per_thread) + "\nwrite_buffer_size="
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+ str(write_buf_size) + "\n")
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while time.time() < exit_time:
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run_had_errors = False
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killtime = time.time() + interval
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cmd = re.sub('\s+', ' ', """
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./db_stress
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--test_batches_snapshots=1
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--ops_per_thread=%s
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--threads=%s
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--write_buffer_size=%s
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--destroy_db_initially=0
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--reopen=0
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--readpercent=45
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--prefixpercent=5
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--writepercent=35
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--delpercent=5
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--iterpercent=10
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--db=%s
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--max_key=100000000
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--disable_seek_compaction=%s
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--mmap_read=%s
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--block_size=16384
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--cache_size=1048576
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--open_files=500000
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--verify_checksum=1
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--sync=%s
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--disable_wal=0
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--disable_data_sync=%s
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--target_file_size_base=2097152
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--target_file_size_multiplier=2
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--max_write_buffer_number=3
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--max_background_compactions=20
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--max_bytes_for_level_base=10485760
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--filter_deletes=%s
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""" % (ops_per_thread,
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threads,
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write_buf_size,
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tempfile.mkdtemp(),
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random.randint(0, 1),
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random.randint(0, 1),
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random.randint(0, 1),
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random.randint(0, 1),
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random.randint(0, 1)))
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child = subprocess.Popen([cmd],
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stderr=subprocess.PIPE, shell=True)
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print("Running db_stress with pid=%d: %s\n\n"
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% (child.pid, cmd))
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while time.time() < killtime:
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time.sleep(10)
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if child.poll() is not None:
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print("WARNING: db_stress ended before kill: exitcode=%d\n"
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% child.returncode)
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else:
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child.kill()
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print("KILLED %d\n" % child.pid)
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time.sleep(1) # time to stabilize after a kill
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while True:
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line = child.stderr.readline().strip()
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if line != '':
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run_had_errors = True
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print('***' + line + '^')
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else:
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break
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if run_had_errors:
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sys.exit(2)
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time.sleep(1) # time to stabilize before the next run
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if __name__ == "__main__":
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sys.exit(main(sys.argv[1:]))
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