From 1491e20a07483a4c28fbcc3a605c22a1711412c0 Mon Sep 17 00:00:00 2001
From: Michael Vrable <mvrable@cs.ucsd.edu>
Date: Thu, 3 Jun 2010 15:25:31 -0700
Subject: [PATCH] Updates to script for testing multiple parallel fetches.
---
cloudbench/paralleltest.py | 25 +++++++++++++++++++------
1 file changed, 19 insertions(+), 6 deletions(-)
diff --git a/cloudbench/paralleltest.py b/cloudbench/paralleltest.py
index 5084b62..b447938 100755
--- a/cloudbench/paralleltest.py
+++ b/cloudbench/paralleltest.py
@@ -10,7 +10,7 @@ import sys, threading, time, Queue
import azure
BUCKET_NAME = 'mvrable-benchmark'
-SIZES = [64, 4096, 32 << 10, 256 << 10, 1 << 20, 4 << 20, 32 << 20]
+SIZES = [(1 << s) for s in range(12, 23)]
class S3TestConnection:
def __init__(self):
@@ -48,16 +48,29 @@ def parallel_get(name, connections, delay1=0.0):
res = []
while not q.empty():
res.append(q.get())
- return res
-def run_test(size, threads, num):
+ if len(res) == len(connections):
+ return res
+
+def run_test(size, threads, num, logfile=sys.stdout, delay=1.0):
connections = [S3TestConnection() for _ in range(threads)]
for i in range(num):
+ print " ...test", i
res = parallel_get('file-%d-%d' % (size, i), connections)
- print res
- time.sleep(1.0)
+ if res is not None:
+ logfile.write(str(min(res)) + "\n")
+ if delay > 0:
+ time.sleep(delay)
+
+for s in SIZES:
+ print "Priming objects: %d-byte objects" % (s,)
+ logfile = open('/dev/null', 'w')
+ run_test(s, 1, 100, logfile, 0.0)
-run_test(32768, 4, 500)
+ for t in [4, 2, 1]:
+ print "Running tests: %d-byte objects, %d parallel fetches" % (s, t)
+ logfile = open('parallel-%d-%d.data' % (s, t), 'w')
+ run_test(s, t, 100, logfile)
sys.exit(0)
if __name__ == '__main__':
--
2.20.1