This is an old revision of the document!
apt-get install contest dbench stress tiobench
Unix Benchmarking
see: http://www.webhostingtalk.com/showthread.php?s=&threadid=308055
Download: UnixBench v4.1.0 - WHT Variant
# gunzip -dvc unixbench-4.1.0-wht.tar.gz | tar xvf - # cd unixbench-4.1.0-wht # make # ./Run
Please download and run it on your dedicated or VPS. Then post your result here for discussion. Thanks!
IO test
- script available here, mirrored copy is down below.
/--(a@tbox)-(Tue Oct 21 15:28:24 CEST 2008)-(0)-- \--(#!:~/src)-- python iotest-2008-10-15 /dev/sda3 /dev/sda3, 23 GB, 512B blocks: 66.1 IOs/s, 33 kB/s /dev/sda3, 23 GB, 1024B blocks: 65.7 IOs/s, 65 kB/s /dev/sda3, 23 GB, 2 kB blocks: 64.9 IOs/s, 129 kB/s ...
f iotest-2008-10-15.py
#!/usr/bin/env python # # Copyright (c) 2008 Benjamin Schweizer. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the # distribution. # * Neither the name of Benjamin Schweizer nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS # IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # # Abstract # ~~~~~~~~ # Benchmark disk IOs # # Authors # ~~~~~~~ # Benjamin Schweizer, http://benjamin-schweizer.de/contact # # Changes # ~~~~~~~ # 2008-10-16, benjamin: initial release # # Todo # ~~~~ # - we'll see # import sys import random import time def usage(): print """Copyright (c) 2008 Benjamin Schweizer. All rights reserved. usage: iostat <device> [time] device := some block device time := time in seconds example: iostat /dev/sda """ def greek(size): """Return a string representing the greek/metric suffix of a size""" # Copyright (c) 1999 Martin Pohl, copied from # http://mail.python.org/pipermail/python-list/1999-December/018519.html _abbrevs = [ (1<<50L, ' P'), (1<<40L, ' T'), (1<<30L, ' G'), (1<<20L, ' M'), (1<<10L, ' k'), (1, '') ] for factor, suffix in _abbrevs: if size > factor: break return `int(size/factor)` + suffix def iotest(dev, blocksize=512, t=10): """io test""" fh = open(dev, 'r') bof = 0 fh.seek(0,2) eof = fh.tell() io_num = 0 start_ts = time.time() while time.time() < start_ts+t: io_num += 1 pos = random.randint(bof,eof) fh.seek(pos) blockdata = fh.read(blocksize) end_ts = time.time() total_ts = end_ts - start_ts print "%s, %sB, %sB blocks: %.1f IOs/s, %sB/s" % (dev, greek(eof), greek(blocksize), io_num/total_ts, greek(int(blocksize*io_num/total_ts))) return io_num/total_ts if __name__ == '__main__': if len(sys.argv) < 2: usage() raise SystemExit device = sys.argv[1] t = 10 if len(sys.argv) == 3: t = int(sys.argv[2]) blocksize = 512 try: iops = 2 while iops > 1: iops = iotest(device, blocksize, t) blocksize *= 2 except IOError, (err_no, err_str): raise SystemExit(err_str) except KeyboardInterrupt: print "caught ctrl-c, bye." # eof.