From: Brian Warner Date: Fri, 21 Sep 2007 01:52:44 +0000 (-0700) Subject: check_speed: do both upload and download tests X-Git-Tag: allmydata-tahoe-0.6.0~35 X-Git-Url: https://git.rkrishnan.org/specifications/something?a=commitdiff_plain;h=d58d7947576a409d8053ea571c86eecb302da70c;p=tahoe-lafs%2Ftahoe-lafs.git check_speed: do both upload and download tests --- diff --git a/src/allmydata/control.py b/src/allmydata/control.py index 39289638..5d0c75e8 100644 --- a/src/allmydata/control.py +++ b/src/allmydata/control.py @@ -47,14 +47,36 @@ class ControlServer(Referenceable, service.Service, testutil.PollMixin): d.addCallback(lambda res: filename) return d - def remote_upload_speed_test(self, count, size): + def remote_speed_test(self, count, size): assert size > 8 - basedir = os.path.join(self.parent.basedir, "_speed_test_data") log.msg("speed_test: count=%d, size=%d" % (count, size)) - fileutil.make_dirs(basedir) - for i in range(count): - s = size - fn = os.path.join(basedir, str(i)) + st = SpeedTest(self.parent, count, size) + return st.run() + + def remote_get_memory_usage(self): + return get_memory_usage() + +class SpeedTest: + def __init__(self, parent, count, size): + self.parent = parent + self.count = count + self.size = size + self.uris = {} + self.basedir = os.path.join(self.parent.basedir, "_speed_test_data") + + def run(self): + self.create_data() + d = self.do_upload() + d.addCallback(lambda res: self.do_download()) + d.addBoth(self.do_cleanup) + d.addCallback(lambda res: (self.upload_time, self.download_time)) + return d + + def create_data(self): + fileutil.make_dirs(self.basedir) + for i in range(self.count): + s = self.size + fn = os.path.join(self.basedir, str(i)) if os.path.exists(fn): os.unlink(fn) f = open(fn, "w") @@ -65,28 +87,53 @@ class ControlServer(Referenceable, service.Service, testutil.PollMixin): f.write("\x00" * chunk) s -= chunk f.close() + + def do_upload(self): uploader = self.parent.getServiceNamed("uploader") start = time.time() d = defer.succeed(None) - def _do_one_file(uri, i): - if i >= count: + def _record_uri(uri, i): + self.uris[i] = uri + def _upload_one_file(ignored, i): + if i >= self.count: return - fn = os.path.join(basedir, str(i)) + fn = os.path.join(self.basedir, str(i)) d1 = uploader.upload_filename(fn) - d1.addCallback(_do_one_file, i+1) + d1.addCallback(_record_uri, i) + d1.addCallback(_upload_one_file, i+1) return d1 - d.addCallback(_do_one_file, 0) - def _done(ignored): + d.addCallback(_upload_one_file, 0) + def _upload_done(ignored): stop = time.time() - return stop - start - d.addCallback(_done) - def _cleanup(res): - for i in range(count): - fn = os.path.join(basedir, str(i)) - os.unlink(fn) - return res - d.addBoth(_cleanup) + self.upload_time = stop - start + d.addCallback(_upload_done) return d - def remote_get_memory_usage(self): - return get_memory_usage() + def do_download(self): + downloader = self.parent.getServiceNamed("downloader") + start = time.time() + d = defer.succeed(None) + def _download_one_file(ignored, i): + if i >= self.count: + return + d1 = downloader.download_to_filehandle(self.uris[i], Discard()) + d1.addCallback(_download_one_file, i+1) + return d1 + d.addCallback(_download_one_file, 0) + def _download_done(ignored): + stop = time.time() + self.download_time = stop - start + d.addCallback(_download_done) + return d + + def do_cleanup(self, res): + for i in range(self.count): + fn = os.path.join(self.basedir, str(i)) + os.unlink(fn) + return res + +class Discard: + def write(self, data): + pass + def close(self): + pass diff --git a/src/allmydata/interfaces.py b/src/allmydata/interfaces.py index 47de6857..efd6962f 100644 --- a/src/allmydata/interfaces.py +++ b/src/allmydata/interfaces.py @@ -1054,8 +1054,11 @@ class RIControlClient(RemoteInterface): measuring memory consupmtion in bytes.""" return DictOf(str, int) - def upload_speed_test(count=int, size=int): + def speed_test(count=int, size=int): """Write 'count' tempfiles to disk, all of the given size. Measure how long (in seconds) it takes to upload them all to the servers. + Then measure how long it takes to download all of them. + + Returns a tuple of (upload_time, download_time). """ - return float + return (float, float) diff --git a/src/allmydata/test/check_speed.py b/src/allmydata/test/check_speed.py index fe162349..11aceab5 100644 --- a/src/allmydata/test/check_speed.py +++ b/src/allmydata/test/check_speed.py @@ -17,7 +17,8 @@ class SpeedTest: f.close() self.base_service = service.MultiService() self.failed = None - self.times = {} + self.upload_times = {} + self.download_times = {} def run(self): print "STARTING" @@ -57,41 +58,47 @@ class SpeedTest: reactor.callLater(delay, d.callback, result) return d - def record_time(self, time, key): - print "TIME (%s): %s" % (key, time) - self.times[key] = time + def record_times(self, times, key): + print "TIME (%s): %s up, %s down" % (key, times[0], times[1]) + self.upload_times[key], self.download_times[key] = times def one_test(self, res, name, count, size): - d = self.client_rref.callRemote("upload_speed_test", count, size) - d.addCallback(self.record_time, name) + d = self.client_rref.callRemote("speed_test", count, size) + d.addCallback(self.record_times, name) return d def do_test(self): print "doing test" rr = self.client_rref - d = rr.callRemote("get_memory_usage") - def _got(res): - print "MEMORY USAGE:", res - d.addCallback(_got) + d = defer.succeed(None) d.addCallback(self.one_test, "startup", 1, 1000) # ignore this one d.addCallback(self.one_test, "1x 200B", 1, 200) d.addCallback(self.one_test, "10x 200B", 10, 200) #d.addCallback(self.one_test, "100x 200B", 100, 200) d.addCallback(self.one_test, "1MB", 1, 1*MB) d.addCallback(self.one_test, "10MB", 1, 10*MB) - d.addCallback(self.calculate_speed) + d.addCallback(self.calculate_speeds) return d - def calculate_speed(self, res): - perfile = self.times["1x 200B"] + def calculate_speeds(self, res): # time = A*size+B # we assume that A*200bytes is negligible - B = self.times["10x 200B"] / 10 - print "per-file time: %.3fs" % B - A1 = 1*MB / (self.times["1MB"] - B) # in bytes per second - print "speed (1MB):", self.number(A1, "Bps") - A2 = 10*MB / (self.times["10MB"] - B) - print "speed (10MB):", self.number(A2, "Bps") + + # upload + B = self.upload_times["10x 200B"] / 10 + print "upload per-file time: %.3fs" % B + A1 = 1*MB / (self.upload_times["1MB"] - B) # in bytes per second + print "upload speed (1MB):", self.number(A1, "Bps") + A2 = 10*MB / (self.upload_times["10MB"] - B) + print "upload speed (10MB):", self.number(A2, "Bps") + + # download + B = self.download_times["10x 200B"] / 10 + print "download per-file time: %.3fs" % B + A1 = 1*MB / (self.download_times["1MB"] - B) # in bytes per second + print "download speed (1MB):", self.number(A1, "Bps") + A2 = 10*MB / (self.download_times["10MB"] - B) + print "download speed (10MB):", self.number(A2, "Bps") def number(self, value, suffix=""): scaling = 1