[Zodb-checkins] CVS: ZODB3/Tools - create.py:1.1.2.1

[Jeremy Hylton]

Update of /cvs-repository/ZODB3/Tools
In directory cvs.zope.org:/tmp/cvs-serv16263

Added Files:
      Tag: ZODB3-fast-restart-branch
	create.py 
Log Message:
Create a large Data.fs at a storage server on guido's machine


=== Added File ZODB3/Tools/create.py ===
#! /usr/bin/env python2.1

"""Create a large Data.fs"""

import random

import ZODB
from ZODB.tests.MinPO import MinPO
from ZEO.ClientStorage import ClientStorage
from BTrees.OOBTree import OOBTree

SERVER = "guido", 9000
MB = 1024**2
CACHE_SIZE = 200 * MB
CLIENT = "cache"
RECONNECT_TIMEOUT = 10

MAX_OBJ_SIZE = 10000
NUM_OBJS = 10000

def main():
    cs = ClientStorage(SERVER, cache_size=CACHE_SIZE, client=CLIENT,
                       max_disconnect_poll=RECONNECT_TIMEOUT)
    db = ZODB.DB(cs)
    cn = db.open()
    rt = cn.root()
    objs = rt["objects"] = OOBTree()
    get_transaction().commit()

    i = 0
    for j in xrange(NUM_OBJS):
        size = 2 ** random.randint(1, 20)
        po = MinPO("x" * size)
        objs[i] = po
        print "object", i, "size", size
        i += 1
        if i % 100 == 0:
            get_transaction().commit()

if __name__ == "__main__":
    main()