ClickHouse/tests/integration/test_s3_zero_copy_replication/test.py
2021-12-13 16:34:04 +03:00

312 lines
12 KiB
Python

import datetime
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, folder='data'):
minio = cluster.minio_client
counter = 0
for obj in minio.list_objects(cluster.minio_bucket, '{}/'.format(folder)):
if obj.size >= size:
counter = counter + 1
return counter
def wait_for_large_objects_count(cluster, expected, size=100, timeout=30):
while timeout > 0:
if get_large_objects_count(cluster, size=size) == expected:
return
timeout -= 1
time.sleep(1)
assert get_large_objects_count(cluster, size=size) == expected
def wait_for_active_parts(node, num_expected_parts, table_name, timeout=30):
deadline = time.monotonic() + timeout
num_parts = 0
while time.monotonic() < deadline:
num_parts_str = node.query("select count() from system.parts where table = '{}' and active".format(table_name))
num_parts = int(num_parts_str.strip())
if num_parts == num_expected_parts:
return
time.sleep(0.2)
assert num_parts == num_expected_parts
@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')")
node2.query("SYSTEM SYNC REPLICA s3_test")
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')")
node1.query("SYSTEM SYNC REPLICA s3_test")
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
wait_for_large_objects_count(cluster, 2)
node1.query("OPTIMIZE TABLE s3_test FINAL")
# Based on version 20.x - after merge, two old parts and one merged
wait_for_large_objects_count(cluster, 3)
# Based on version 20.x - after cleanup - only one merged part
wait_for_large_objects_count(cluster, 1, timeout=60)
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')")
node2.query("SYSTEM SYNC REPLICA hybrid_test")
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, size=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
wait_for_large_objects_count(cluster, s3_objects, size=0)
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")
def insert_data_time(node, table, number_of_mb, time, start=0):
values = ','.join(f"({x},{time})" for x in range(start, int((1024 * 1024 * number_of_mb) / 8) + start + 1))
node.query(f"INSERT INTO {table} VALUES {values}")
def insert_large_data(node, table):
tm = time.mktime((datetime.date.today() - datetime.timedelta(days=7)).timetuple())
insert_data_time(node, table, 1, tm, 0)
tm = time.mktime((datetime.date.today() - datetime.timedelta(days=3)).timetuple())
insert_data_time(node, table, 1, tm, 1024*1024)
tm = time.mktime(datetime.date.today().timetuple())
insert_data_time(node, table, 10, tm, 1024*1024*2)
@pytest.mark.parametrize(
("storage_policy", "large_data", "iterations"),
[
("tiered", False, 10),
("tiered_copy", False, 10),
("tiered", True, 3),
("tiered_copy", True, 3),
]
)
def test_s3_zero_copy_with_ttl_move(cluster, storage_policy, large_data, iterations):
node1 = cluster.instances["node1"]
node2 = cluster.instances["node2"]
node1.query("DROP TABLE IF EXISTS ttl_move_test NO DELAY")
node2.query("DROP TABLE IF EXISTS ttl_move_test NO DELAY")
for i in range(iterations):
node1.query(
"""
CREATE TABLE ttl_move_test ON CLUSTER test_cluster (d UInt64, d1 DateTime)
ENGINE=ReplicatedMergeTree('/clickhouse/tables/ttl_move_test', '{}')
ORDER BY d
TTL d1 + INTERVAL 2 DAY TO VOLUME 'external'
SETTINGS storage_policy='{}'
"""
.format('{replica}', storage_policy)
)
if large_data:
insert_large_data(node1, 'ttl_move_test')
else:
node1.query("INSERT INTO ttl_move_test VALUES (10, now() - INTERVAL 3 DAY)")
node1.query("INSERT INTO ttl_move_test VALUES (11, now() - INTERVAL 1 DAY)")
node1.query("OPTIMIZE TABLE ttl_move_test FINAL")
node2.query("SYSTEM SYNC REPLICA ttl_move_test")
if large_data:
assert node1.query("SELECT count() FROM ttl_move_test FORMAT Values") == "(1572867)"
assert node2.query("SELECT count() FROM ttl_move_test FORMAT Values") == "(1572867)"
else:
assert node1.query("SELECT count() FROM ttl_move_test FORMAT Values") == "(2)"
assert node2.query("SELECT count() FROM ttl_move_test FORMAT Values") == "(2)"
assert node1.query("SELECT d FROM ttl_move_test ORDER BY d FORMAT Values") == "(10),(11)"
assert node2.query("SELECT d FROM ttl_move_test ORDER BY d FORMAT Values") == "(10),(11)"
node1.query("DROP TABLE IF EXISTS ttl_move_test NO DELAY")
node2.query("DROP TABLE IF EXISTS ttl_move_test NO DELAY")
@pytest.mark.parametrize(
("large_data", "iterations"),
[
(False, 10),
(True, 3),
]
)
def test_s3_zero_copy_with_ttl_delete(cluster, large_data, iterations):
node1 = cluster.instances["node1"]
node2 = cluster.instances["node2"]
node1.query("DROP TABLE IF EXISTS ttl_delete_test NO DELAY")
node2.query("DROP TABLE IF EXISTS ttl_delete_test NO DELAY")
for i in range(iterations):
node1.query(
"""
CREATE TABLE ttl_delete_test ON CLUSTER test_cluster (d UInt64, d1 DateTime)
ENGINE=ReplicatedMergeTree('/clickhouse/tables/ttl_delete_test', '{}')
ORDER BY d
TTL d1 + INTERVAL 2 DAY
SETTINGS storage_policy='tiered'
"""
.format('{replica}')
)
if large_data:
insert_large_data(node1, 'ttl_delete_test')
else:
node1.query("INSERT INTO ttl_delete_test VALUES (10, now() - INTERVAL 3 DAY)")
node1.query("INSERT INTO ttl_delete_test VALUES (11, now() - INTERVAL 1 DAY)")
node1.query("OPTIMIZE TABLE ttl_delete_test FINAL")
node2.query("SYSTEM SYNC REPLICA ttl_delete_test")
if large_data:
assert node1.query("SELECT count() FROM ttl_delete_test FORMAT Values") == "(1310721)"
assert node2.query("SELECT count() FROM ttl_delete_test FORMAT Values") == "(1310721)"
else:
assert node1.query("SELECT count() FROM ttl_delete_test FORMAT Values") == "(1)"
assert node2.query("SELECT count() FROM ttl_delete_test FORMAT Values") == "(1)"
assert node1.query("SELECT d FROM ttl_delete_test ORDER BY d FORMAT Values") == "(11)"
assert node2.query("SELECT d FROM ttl_delete_test ORDER BY d FORMAT Values") == "(11)"
node1.query("DROP TABLE IF EXISTS ttl_delete_test NO DELAY")
node2.query("DROP TABLE IF EXISTS ttl_delete_test NO DELAY")
def test_s3_zero_copy_concurrent_merge(cluster):
node1 = cluster.instances["node1"]
node2 = cluster.instances["node2"]
node1.query("DROP TABLE IF EXISTS concurrent_merge NO DELAY")
node2.query("DROP TABLE IF EXISTS concurrent_merge NO DELAY")
for node in (node1, node2):
node.query(
"""
CREATE TABLE concurrent_merge (id UInt64)
ENGINE=ReplicatedMergeTree('/clickhouse/tables/concurrent_merge', '{replica}')
ORDER BY id
SETTINGS index_granularity=2, storage_policy='s3', remote_fs_execute_merges_on_single_replica_time_threshold=1
"""
)
node1.query("system stop merges")
node2.query("system stop merges")
# This will generate two parts with 20 granules each
node1.query("insert into concurrent_merge select number from numbers(40)")
node1.query("insert into concurrent_merge select number + 1 from numbers(40)")
wait_for_active_parts(node2, 2, 'concurrent_merge')
# Merge will materialize default column, it should sleep every granule and take 20 * 2 * 0.1 = 4 sec.
node1.query("alter table concurrent_merge add column x UInt32 default sleep(0.1)")
node1.query("system start merges")
node2.query("system start merges")
# Now, the merge should start.
# Because of remote_fs_execute_merges_on_single_replica_time_threshold=1,
# only one replica will start merge instantly.
# The other replica should wait for 1 sec and also start it.
# That should probably cause a data race at s3 storage.
# For now, it does not happen (every blob has a random name, and we just have a duplicating data)
node1.query("optimize table concurrent_merge final")
wait_for_active_parts(node1, 1, 'concurrent_merge')
wait_for_active_parts(node2, 1, 'concurrent_merge')
for node in (node1, node2):
assert node.query('select sum(id) from concurrent_merge').strip() == '1600'