ClickHouse/tests/integration/test_s3_zero_copy_replication/test.py
2021-04-01 16:40:52 +03:00

137 lines
5.2 KiB
Python

import logging
import time
import pytest
from helpers.cluster import ClickHouseCluster
logging.getLogger().setLevel(logging.INFO)
logging.getLogger().addHandler(logging.StreamHandler())
@pytest.fixture(scope="module")
def cluster():
try:
cluster = ClickHouseCluster(__file__)
cluster.add_instance("node1", main_configs=["configs/config.d/s3.xml"], macros={'replica': '1'},
with_minio=True,
with_zookeeper=True)
cluster.add_instance("node2", main_configs=["configs/config.d/s3.xml"], macros={'replica': '2'},
with_minio=True,
with_zookeeper=True)
logging.info("Starting cluster...")
cluster.start()
logging.info("Cluster started")
yield cluster
finally:
cluster.shutdown()
def get_large_objects_count(cluster, size=100):
minio = cluster.minio_client
counter = 0
for obj in minio.list_objects(cluster.minio_bucket, 'data/'):
if obj.size >= size:
counter = counter + 1
return counter
@pytest.mark.parametrize(
"policy", ["s3"]
)
def test_s3_zero_copy_replication(cluster, policy):
node1 = cluster.instances["node1"]
node2 = cluster.instances["node2"]
node1.query(
"""
CREATE TABLE s3_test ON CLUSTER test_cluster (id UInt32, value String)
ENGINE=ReplicatedMergeTree('/clickhouse/tables/s3_test', '{}')
ORDER BY id
SETTINGS storage_policy='{}'
"""
.format('{replica}', policy)
)
node1.query("INSERT INTO s3_test VALUES (0,'data'),(1,'data')")
time.sleep(1)
assert node1.query("SELECT * FROM s3_test order by id FORMAT Values") == "(0,'data'),(1,'data')"
assert node2.query("SELECT * FROM s3_test order by id FORMAT Values") == "(0,'data'),(1,'data')"
# Based on version 20.x - should be only one file with size 100+ (checksums.txt), used by both nodes
assert get_large_objects_count(cluster) == 1
node2.query("INSERT INTO s3_test VALUES (2,'data'),(3,'data')")
time.sleep(1)
assert node2.query("SELECT * FROM s3_test order by id FORMAT Values") == "(0,'data'),(1,'data'),(2,'data'),(3,'data')"
assert node1.query("SELECT * FROM s3_test order by id FORMAT Values") == "(0,'data'),(1,'data'),(2,'data'),(3,'data')"
# Based on version 20.x - two parts
assert get_large_objects_count(cluster) == 2
node1.query("OPTIMIZE TABLE s3_test")
time.sleep(1)
# Based on version 20.x - after merge, two old parts and one merged
assert get_large_objects_count(cluster) == 3
# Based on version 20.x - after cleanup - only one merged part
countdown = 60
while countdown > 0:
if get_large_objects_count(cluster) == 1:
break
time.sleep(1)
countdown -= 1
assert get_large_objects_count(cluster) == 1
node1.query("DROP TABLE IF EXISTS s3_test NO DELAY")
node2.query("DROP TABLE IF EXISTS s3_test NO DELAY")
def test_s3_zero_copy_on_hybrid_storage(cluster):
node1 = cluster.instances["node1"]
node2 = cluster.instances["node2"]
node1.query(
"""
CREATE TABLE hybrid_test ON CLUSTER test_cluster (id UInt32, value String)
ENGINE=ReplicatedMergeTree('/clickhouse/tables/hybrid_test', '{}')
ORDER BY id
SETTINGS storage_policy='hybrid'
"""
.format('{replica}')
)
node1.query("INSERT INTO hybrid_test VALUES (0,'data'),(1,'data')")
time.sleep(1)
assert node1.query("SELECT * FROM hybrid_test ORDER BY id FORMAT Values") == "(0,'data'),(1,'data')"
assert node2.query("SELECT * FROM hybrid_test ORDER BY id FORMAT Values") == "(0,'data'),(1,'data')"
assert node1.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','default')"
assert node2.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','default')"
node1.query("ALTER TABLE hybrid_test MOVE PARTITION ID 'all' TO DISK 's31'")
assert node1.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','s31')"
assert node2.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','default')"
# Total objects in S3
s3_objects = get_large_objects_count(cluster, 0)
node2.query("ALTER TABLE hybrid_test MOVE PARTITION ID 'all' TO DISK 's31'")
assert node1.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','s31')"
assert node2.query("SELECT partition_id,disk_name FROM system.parts WHERE table='hybrid_test' FORMAT Values") == "('all','s31')"
# Check that after moving partition on node2 no new obects on s3
assert get_large_objects_count(cluster, 0) == s3_objects
assert node1.query("SELECT * FROM hybrid_test ORDER BY id FORMAT Values") == "(0,'data'),(1,'data')"
assert node2.query("SELECT * FROM hybrid_test ORDER BY id FORMAT Values") == "(0,'data'),(1,'data')"
node1.query("DROP TABLE IF EXISTS hybrid_test NO DELAY")
node2.query("DROP TABLE IF EXISTS hybrid_test NO DELAY")