import wiredtiger
import os

wt = wiredtiger.wiredtiger_open("wt", "create,log=(enabled=true)")
session = wt.open_session()
session.create("table:test", "key_format=u,value_format=u")
cursor = session.open_cursor("table:test")index = 0
while True:
    index += 1
    print('transaction', index)
    session.begin_transaction()
    # 3 000 000 octet big transaction, with data mostly in keys
    for i in range(20000):
        key = os.urandom(150)
        cursor.set_key(key)
        cursor.set_value(b"\x01")
        cursor.insert()
    session.commit_transaction()