import timeit
from cassandra.cluster import Cluster

cluster = Cluster()
session = cluster.connect()

session.execute("CREATE KEYSPACE IF NOT EXISTS demodb WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };");
session.set_keyspace('demodb');

session.execute("CREATE TABLE IF NOT EXISTS TMCR (p1 int, c1 int, r1 text, PRIMARY KEY (p1, c1));")

bigstring = 'x' * 64 * 1024
prepared = session.prepare("INSERT INTO TMCR (p1, c1, r1) values (1, ?, '{}')".format(bigstring))
for i in range(32 * 1000):
    if i % 100 == 0:
        print("Now inserting", i)
    session.execute(prepared, [i])

x = timeit.Timer(lambda: session.execute("SELECT * FROM TMCR WHERE p1 = 1"))
print("Timeit", x.timeit(number=100))