mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-23 16:12:01 +00:00
98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
# pylint: disable=unused-argument
|
|
# pylint: disable=redefined-outer-name
|
|
# pylint: disable=line-too-long
|
|
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
n1 = cluster.add_instance("n1", main_configs=["configs/remote_servers.xml"])
|
|
n2 = cluster.add_instance("n2", main_configs=["configs/remote_servers.xml"])
|
|
|
|
params = pytest.mark.parametrize(
|
|
"cluster,q",
|
|
[
|
|
("internal_replication", 0),
|
|
("no_internal_replication", 1),
|
|
],
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module", autouse=True)
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def create_tables(cluster):
|
|
n1.query("DROP TABLE IF EXISTS data")
|
|
n2.query("DROP TABLE IF EXISTS data")
|
|
n1.query("DROP TABLE IF EXISTS dist")
|
|
|
|
n1.query("CREATE TABLE data (key Int) Engine=Memory()")
|
|
n2.query("CREATE TABLE data (key Int) Engine=Memory()")
|
|
n1.query(
|
|
"""
|
|
CREATE TABLE dist AS data
|
|
Engine=Distributed(
|
|
{cluster},
|
|
currentDatabase(),
|
|
data,
|
|
rand()
|
|
)
|
|
""".format(
|
|
cluster=cluster
|
|
)
|
|
)
|
|
|
|
|
|
def insert_data(cluster, **settings):
|
|
create_tables(cluster)
|
|
n1.query("INSERT INTO dist SELECT * FROM numbers(10)", settings=settings)
|
|
n1.query("SYSTEM FLUSH DISTRIBUTED dist")
|
|
|
|
|
|
@params
|
|
def test_prefer_localhost_replica_1(cluster, q):
|
|
insert_data(cluster)
|
|
assert int(n1.query("SELECT count() FROM data")) == 10
|
|
assert int(n2.query("SELECT count() FROM data")) == 10 * q
|
|
|
|
|
|
@params
|
|
def test_prefer_localhost_replica_1_load_balancing_in_order(cluster, q):
|
|
insert_data(cluster, load_balancing="in_order")
|
|
assert int(n1.query("SELECT count() FROM data")) == 10
|
|
assert int(n2.query("SELECT count() FROM data")) == 10 * q
|
|
|
|
|
|
@params
|
|
def test_prefer_localhost_replica_0_load_balancing_nearest_hostname(cluster, q):
|
|
insert_data(cluster, load_balancing="nearest_hostname", prefer_localhost_replica=0)
|
|
assert int(n1.query("SELECT count() FROM data")) == 10
|
|
assert int(n2.query("SELECT count() FROM data")) == 10 * q
|
|
|
|
|
|
@params
|
|
def test_prefer_localhost_replica_0_load_balancing_in_order(cluster, q):
|
|
insert_data(cluster, load_balancing="in_order", prefer_localhost_replica=0)
|
|
assert int(n1.query("SELECT count() FROM data")) == 10 * q
|
|
assert int(n2.query("SELECT count() FROM data")) == 10
|
|
|
|
|
|
@params
|
|
def test_prefer_localhost_replica_0_load_balancing_in_order_sync(cluster, q):
|
|
insert_data(
|
|
cluster,
|
|
load_balancing="in_order",
|
|
prefer_localhost_replica=0,
|
|
insert_distributed_sync=1,
|
|
)
|
|
assert int(n1.query("SELECT count() FROM data")) == 10 * q
|
|
assert int(n2.query("SELECT count() FROM data")) == 10
|