X-Git-Url: http://git.vrable.net/?p=bluesky.git;a=blobdiff_plain;f=cloudbench%2Fparalleltest.py;fp=cloudbench%2Fparalleltest.py;h=f1b0be2418ec2da3015009d6bcacea4a98a997bc;hp=0000000000000000000000000000000000000000;hb=7902607f424c9b68f16adf56bab03fedb599c4ef;hpb=de29305e79cb926f58dd83c37f32b32fca231d55

diff --git a/cloudbench/paralleltest.py b/cloudbench/paralleltest.py
new file mode 100755
index 0000000..f1b0be2
--- /dev/null
+++ b/cloudbench/paralleltest.py
@@ -0,0 +1,77 @@
+#!/usr/bin/python
+#
+# Run a series of simple test requests against S3 for gathering some basic
+# performance numbers.
+
+import boto, time
+from boto.s3.connection import SubdomainCallingFormat
+from boto.s3.key import Key
+import sys, threading, time
+import azure
+
+BUCKET_NAME = 'mvrable-benchmark-west'
+SIZES = [64, 4096, 32 << 10, 256 << 10, 1 << 20, 4 << 20, 32 << 20]
+
+class S3TestConnection:
+    def __init__(self):
+        self.conn = boto.connect_s3(is_secure=False,
+                                    calling_format=SubdomainCallingFormat())
+        self.bucket = self.conn.get_bucket(BUCKET_NAME)
+
+    def put_object(self, name, size):
+        buf = 'A' * size
+        k = Key(self.bucket, name)
+        start_time = time.time()
+        k.set_contents_from_string(buf)
+        print "%s: %f" % (name, time.time() - start_time)
+
+    def get_object(self, name):
+        k = Key(self.bucket, name)
+        start_time = time.time()
+        buf = k.get_contents_as_string()
+        print "%s: %f" % (name, time.time() - start_time)
+
+def parallel_get(name, connections, delay1=0.0):
+    print "Get: %s x %d" % (name, len(connections))
+    threads = []
+    for i in range(len(connections)):
+        c = connections[i]
+        threads.append(threading.Thread(target=c.get_object, args=(name,)))
+    for i in range(len(threads)):
+        threads[i].start()
+        if i == 0: time.sleep(delay1)
+    for t in threads: t.join()
+    time.sleep(1.0)
+
+def run_test():
+    print "==== S3 ===="
+    c = S3TestConnection()
+    for repeat in range(4):
+        for size in SIZES:
+            #c.put_object('file-%d-%d' % (size, repeat), size)
+            pass
+
+    c = S3TestConnection()
+    for repeat in range(4):
+        for size in SIZES:
+            c.get_object('file-%d-%d' % (size, repeat))
+
+if __name__ == '__main__':
+    # Pass 1: Identical downloads in parallel
+    connections = [S3TestConnection() for _ in range(8)]
+    SIZES = [4096, 32 << 10, 256 << 10, 1 << 20, 4 << 20]
+    PRIME = (1 << 20) + (1 << 10)
+    c = S3TestConnection()
+    for size in SIZES:
+        for i in range(32):
+            parallel_get('file-%d-%d' % (size, i), connections)
+
+    # Pass 1: Downloads in parallel, but downloads staggered so one request
+    # arrives earlier
+    connections = [S3TestConnection() for _ in range(8)]
+    SIZES = [4096, 32 << 10, 256 << 10, 1 << 20, 4 << 20]
+    PRIME = (1 << 20) + (1 << 10)
+    c = S3TestConnection()
+    for size in SIZES:
+        for i in range(32):
+            parallel_get('file-%d-%d' % (size, i), connections, delay1=1.0)