# load test of connection pool import thread, time from sqlalchemy import * import sqlalchemy.pool as pool from sqlalchemy.test import testing db = create_engine(testing.db.url, pool_timeout=30, echo_pool=True) metadata = MetaData(db) users_table = Table('users', metadata, Column('user_id', Integer, primary_key=True), Column('user_name', String(40)), Column('password', String(10))) metadata.drop_all() metadata.create_all() users_table.insert().execute([{'user_name':'user#%d' % i, 'password':'pw#%d' % i} for i in range(1000)]) def runfast(): while True: c = db.pool.connect() time.sleep(.5) c.close() # result = users_table.select(limit=100).execute() # d = {} # for row in result: # for col in row.keys(): # d[col] = row[col] # time.sleep(.005) # result.close() print "runfast cycle complete" #thread.start_new_thread(runslow, ()) for x in xrange(0,50): thread.start_new_thread(runfast, ()) time.sleep(100)