Drop box parallel upload and sequence upload analysis

100mb files

Uploading 2 files of size 104857600
in sequence time taken (seconds): 54.40421
in parallel time taken (seconds): 46.30641
Uploading 4 files of size 104857600
in sequence time taken (seconds): 109.19875
in parallel time taken (seconds): 81.90215
Uploading 8 files of size 104857600
in sequence time taken (seconds): 227.43679
in parallel time taken (seconds): 154.61778

db.py

#!/usr/bin/python -u
 
"""
Dropbox File Transfer Comparison - POC

This program compares the speed of uploading multiple files to dropbox using
both queued and parallel connections per file.
"""
 
import time
import threading
import dropbox
import sys
 
 
app_key = 'fdftzwseyoqxzx1'
app_secret = 'mffquu98zosmk45'
 
 
class UploadThread(threading.Thread):
    def __init__(self, client, file, n):
        threading.Thread.__init__(self)
        self.client = client
        self.file = file
        self.n = n
        self.retry = False
 
    def run(self):
        while True:
            f = open(self.file, 'rb')
            try:
                response = self.client.put_file('/tmp/p%s.jpg' % self.n, f)
                self.retry=False
                break
            except Exception as e:
                print 'EXCEPTION %s' % e
                self.retry=True
 
def create_file(i, fileSize):
    with open("files/" + str(i), "wb") as out:
            out.truncate(fileSize)
    return "files/" + str(i)
 
def upload_in_sequence(client, files):
    start_time = time.time()
    for (i, file) in enumerate(files):
        f = open(file, 'rb')
        response = client.put_file('/tmp/' + str(i), f)
 
    time_taken = time.time() - start_time
    print 'in sequence time taken (seconds): %s' % round(time_taken, 5)
 
 
def upload_in_parallel(client, files):
    retry = True 
    start_time = 0 
    while retry:
        start_time = time.time()
        retry = False
        threads = []
        for (i, file) in enumerate(files):
            threads.append(UploadThread(client, file, i))
        for thread in threads:
            thread.start()
        for thread in threads:
            thread.join()
            if thread.retry:
                retry = True
                print 'RETRY'
 
    time_taken = time.time() - start_time
    print 'in parallel time taken (seconds): %s' % round(time_taken, 5)
 
 
if __name__ == "__main__":
    flow = dropbox.client.DropboxOAuth2FlowNoRedirect(app_key, app_secret)
 
    authorize_url = flow.start()
    if len(sys.argv) == 2:
        code = sys.argv[1]
    else:
        print '1. Go to: ' + authorize_url
        print '2. Click "Allow" (you might have to log in first)'
        print '3. Copy the authorization code.'
        code = raw_input("Enter the authorization code here: ").strip()
 
    try:
        access_token, user_id = flow.finish(code)
 
        client = dropbox.client.DropboxClient(access_token)
        print 'linked account: ', client.account_info()['display_name']
 
        fileCounts = [2,4,8,16,32,64,128]
        sizes = [1024]
        for size in sizes:
            for count in fileCounts:
                print 'Uploading ' + str(count) +  ' files of size ' + str(size)
                files = []
                for i in range(count):
                    files.append(create_file(i, size))
                upload_in_sequence(client, files)
                time.sleep(1)
                upload_in_parallel(client, files)
                time.sleep(1)

    except dropbox.rest.ErrorResponse:
        print 'invalid authorization code.'
 

out.txt

linked account:  a a
Uploading 2 files of size 1024
in sequence time taken (seconds): 2.12261
in parallel time taken (seconds): 1.40005
Uploading 4 files of size 1024
in sequence time taken (seconds): 3.81405
in parallel time taken (seconds): 2.26893
Uploading 8 files of size 1024
in sequence time taken (seconds): 9.85585
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
in parallel time taken (seconds): 4.45894
Uploading 16 files of size 1024
in sequence time taken (seconds): 12.86545
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
in parallel time taken (seconds): 8.11385
Uploading 32 files of size 1024
in sequence time taken (seconds): 25.59079
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
in parallel time taken (seconds): 11.43258
Uploading 64 files of size 1024
in sequence time taken (seconds): 51.64646
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

 EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
 EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'

EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
EXCEPTION [503] u'Failed to grab locks for 252538249, please re-issue request.'
in parallel time taken (seconds): 21.5774
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