0f78fad9f5
Summary: As title, now that db_stress supports --map_read properly Test Plan: make crash_test Reviewers: vamsi, emayanke, dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D11391
122 lines
4.7 KiB
Python
122 lines
4.7 KiB
Python
#! /usr/bin/env python
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import os
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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 python script runs and kills db_stress multiple times with
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# test-batches-snapshot ON,
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# total operations much less than the total keys, and
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# a high read percentage.
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# This checks consistency 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>\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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dirpath = tempfile.mkdtemp()
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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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additional_opts = ' --disable_seek_compaction=' + \
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str(random.randint(0, 1)) + \
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' --mmap_read=' + str(random.randint(0, 1)) + \
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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=' + str(random.randint(0, 1)) + \
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' --disable_wal=0 ' + \
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' --disable_data_sync=' + \
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str(random.randint(0, 1)) + \
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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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killtime = time.time() + interval
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child = subprocess.Popen(['./db_stress \
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--test_batches_snapshots=1 \
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--ops_per_thread=0' + str(ops_per_thread) + ' \
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--threads=0' + str(threads) + ' \
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--write_buffer_size=' + str(write_buf_size) + '\
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--destroy_db_initially=0 \
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--reopen=0 \
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--readpercent=50 \
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--db=' + dirpath + '\
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--max_key=100000000 ' + additional_opts],
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stderr=subprocess.PIPE, shell=True)
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print("Running db_stress with pid=%d and additional options=\n"
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% child.pid + additional_opts + "\n")
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time.sleep(interval)
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while True:
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if time.time() > killtime:
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if child.poll() is not None:
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print("WARNING: db_stress ended before kill\n")
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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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break
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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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