ClickHouse/tests/integration/test_quorum_inserts/test.py
2022-03-22 17:39:58 +01:00

396 lines
14 KiB
Python

import time
import pytest
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import TSV
cluster = ClickHouseCluster(__file__)
zero = cluster.add_instance(
"zero",
user_configs=["configs/users.d/settings.xml"],
main_configs=["configs/config.d/remote_servers.xml"],
macros={"cluster": "anime", "shard": "0", "replica": "zero"},
with_zookeeper=True,
)
first = cluster.add_instance(
"first",
user_configs=["configs/users.d/settings.xml"],
main_configs=["configs/config.d/remote_servers.xml"],
macros={"cluster": "anime", "shard": "0", "replica": "first"},
with_zookeeper=True,
)
second = cluster.add_instance(
"second",
user_configs=["configs/users.d/settings.xml"],
main_configs=["configs/config.d/remote_servers.xml"],
macros={"cluster": "anime", "shard": "0", "replica": "second"},
with_zookeeper=True,
)
@pytest.fixture(scope="module")
def started_cluster():
global cluster
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_simple_add_replica(started_cluster):
zero.query("DROP TABLE IF EXISTS test_simple ON CLUSTER cluster")
create_query = (
"CREATE TABLE test_simple "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree('/clickhouse/tables/{shard}/{table}', '{replica}') "
"PARTITION BY d ORDER BY a"
)
zero.query(create_query)
first.query(create_query)
first.query("SYSTEM STOP FETCHES test_simple")
zero.query(
"INSERT INTO test_simple VALUES (1, '2011-01-01')",
settings={"insert_quorum": 1},
)
assert "1\t2011-01-01\n" == zero.query("SELECT * from test_simple")
assert "" == first.query("SELECT * from test_simple")
first.query("SYSTEM START FETCHES test_simple")
first.query("SYSTEM SYNC REPLICA test_simple", timeout=20)
assert "1\t2011-01-01\n" == zero.query("SELECT * from test_simple")
assert "1\t2011-01-01\n" == first.query("SELECT * from test_simple")
second.query(create_query)
second.query("SYSTEM SYNC REPLICA test_simple", timeout=20)
assert "1\t2011-01-01\n" == zero.query("SELECT * from test_simple")
assert "1\t2011-01-01\n" == first.query("SELECT * from test_simple")
assert "1\t2011-01-01\n" == second.query("SELECT * from test_simple")
zero.query("DROP TABLE IF EXISTS test_simple ON CLUSTER cluster")
def test_drop_replica_and_achieve_quorum(started_cluster):
zero.query(
"DROP TABLE IF EXISTS test_drop_replica_and_achieve_quorum ON CLUSTER cluster"
)
create_query = (
"CREATE TABLE test_drop_replica_and_achieve_quorum "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree('/clickhouse/tables/{shard}/{table}', '{replica}') "
"PARTITION BY d ORDER BY a"
)
print("Create Replicated table with two replicas")
zero.query(create_query)
first.query(create_query)
print("Stop fetches on one replica. Since that, it will be isolated.")
first.query("SYSTEM STOP FETCHES test_drop_replica_and_achieve_quorum")
print("Insert to other replica. This query will fail.")
quorum_timeout = zero.query_and_get_error(
"INSERT INTO test_drop_replica_and_achieve_quorum(a,d) VALUES (1, '2011-01-01')",
settings={"insert_quorum_timeout": 5000},
)
assert "Timeout while waiting for quorum" in quorum_timeout, "Query must fail."
assert TSV("1\t2011-01-01\n") == TSV(
zero.query(
"SELECT * FROM test_drop_replica_and_achieve_quorum",
settings={"select_sequential_consistency": 0},
)
)
assert TSV("") == TSV(
zero.query(
"SELECT * FROM test_drop_replica_and_achieve_quorum",
settings={"select_sequential_consistency": 1},
)
)
# TODO:(Mikhaylov) begin; maybe delete this lines. I want clickhouse to fetch parts and update quorum.
print("START FETCHES first replica")
first.query("SYSTEM START FETCHES test_drop_replica_and_achieve_quorum")
print("SYNC first replica")
first.query("SYSTEM SYNC REPLICA test_drop_replica_and_achieve_quorum", timeout=20)
# TODO:(Mikhaylov) end
print("Add second replica")
second.query(create_query)
print("SYNC second replica")
second.query("SYSTEM SYNC REPLICA test_drop_replica_and_achieve_quorum", timeout=20)
print("Quorum for previous insert achieved.")
assert TSV("1\t2011-01-01\n") == TSV(
second.query(
"SELECT * FROM test_drop_replica_and_achieve_quorum",
settings={"select_sequential_consistency": 1},
)
)
print("Now we can insert some other data.")
zero.query(
"INSERT INTO test_drop_replica_and_achieve_quorum(a,d) VALUES (2, '2012-02-02')"
)
assert TSV("1\t2011-01-01\n2\t2012-02-02\n") == TSV(
zero.query("SELECT * FROM test_drop_replica_and_achieve_quorum ORDER BY a")
)
assert TSV("1\t2011-01-01\n2\t2012-02-02\n") == TSV(
first.query("SELECT * FROM test_drop_replica_and_achieve_quorum ORDER BY a")
)
assert TSV("1\t2011-01-01\n2\t2012-02-02\n") == TSV(
second.query("SELECT * FROM test_drop_replica_and_achieve_quorum ORDER BY a")
)
zero.query(
"DROP TABLE IF EXISTS test_drop_replica_and_achieve_quorum ON CLUSTER cluster"
)
@pytest.mark.parametrize(("add_new_data"), [False, True])
def test_insert_quorum_with_drop_partition(started_cluster, add_new_data):
zero.query(
"DROP TABLE IF EXISTS test_quorum_insert_with_drop_partition ON CLUSTER cluster"
)
create_query = (
"CREATE TABLE test_quorum_insert_with_drop_partition ON CLUSTER cluster "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree "
"PARTITION BY d ORDER BY a "
)
print("Create Replicated table with three replicas")
zero.query(create_query)
print("Stop fetches for test_quorum_insert_with_drop_partition at first replica.")
first.query("SYSTEM STOP FETCHES test_quorum_insert_with_drop_partition")
print("Insert with quorum. (zero and second)")
zero.query(
"INSERT INTO test_quorum_insert_with_drop_partition(a,d) VALUES(1, '2011-01-01')"
)
print("Drop partition.")
zero.query(
"ALTER TABLE test_quorum_insert_with_drop_partition DROP PARTITION '2011-01-01'"
)
if add_new_data:
print("Insert to deleted partition")
zero.query(
"INSERT INTO test_quorum_insert_with_drop_partition(a,d) VALUES(2, '2011-01-01')"
)
print("Resume fetches for test_quorum_insert_with_drop_partition at first replica.")
first.query("SYSTEM START FETCHES test_quorum_insert_with_drop_partition")
print("Sync first replica with others.")
first.query("SYSTEM SYNC REPLICA test_quorum_insert_with_drop_partition")
assert "20110101" not in first.query(
"""
WITH (SELECT toString(uuid) FROM system.tables WHERE name = 'test_quorum_insert_with_drop_partition') AS uuid,
'/clickhouse/tables/' || uuid || '/0/quorum/last_part' AS p
SELECT * FROM system.zookeeper WHERE path = p FORMAT Vertical
"""
)
print("Select from updated partition.")
if add_new_data:
assert TSV("2\t2011-01-01\n") == TSV(
zero.query("SELECT * FROM test_quorum_insert_with_drop_partition")
)
assert TSV("2\t2011-01-01\n") == TSV(
second.query("SELECT * FROM test_quorum_insert_with_drop_partition")
)
else:
assert TSV("") == TSV(
zero.query("SELECT * FROM test_quorum_insert_with_drop_partition")
)
assert TSV("") == TSV(
second.query("SELECT * FROM test_quorum_insert_with_drop_partition")
)
zero.query(
"DROP TABLE IF EXISTS test_quorum_insert_with_drop_partition ON CLUSTER cluster"
)
@pytest.mark.parametrize(("add_new_data"), [False, True])
def test_insert_quorum_with_move_partition(started_cluster, add_new_data):
zero.query(
"DROP TABLE IF EXISTS test_insert_quorum_with_move_partition_source ON CLUSTER cluster"
)
zero.query(
"DROP TABLE IF EXISTS test_insert_quorum_with_move_partition_destination ON CLUSTER cluster"
)
create_source = (
"CREATE TABLE test_insert_quorum_with_move_partition_source ON CLUSTER cluster "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree "
"PARTITION BY d ORDER BY a "
)
create_destination = (
"CREATE TABLE test_insert_quorum_with_move_partition_destination ON CLUSTER cluster "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree "
"PARTITION BY d ORDER BY a "
)
print("Create source Replicated table with three replicas")
zero.query(create_source)
print("Create destination Replicated table with three replicas")
zero.query(create_destination)
print(
"Stop fetches for test_insert_quorum_with_move_partition_source at first replica."
)
first.query("SYSTEM STOP FETCHES test_insert_quorum_with_move_partition_source")
print("Insert with quorum. (zero and second)")
zero.query(
"INSERT INTO test_insert_quorum_with_move_partition_source(a,d) VALUES(1, '2011-01-01')"
)
print("Drop partition.")
zero.query(
"ALTER TABLE test_insert_quorum_with_move_partition_source MOVE PARTITION '2011-01-01' TO TABLE test_insert_quorum_with_move_partition_destination"
)
if add_new_data:
print("Insert to deleted partition")
zero.query(
"INSERT INTO test_insert_quorum_with_move_partition_source(a,d) VALUES(2, '2011-01-01')"
)
print(
"Resume fetches for test_insert_quorum_with_move_partition_source at first replica."
)
first.query("SYSTEM START FETCHES test_insert_quorum_with_move_partition_source")
print("Sync first replica with others.")
first.query("SYSTEM SYNC REPLICA test_insert_quorum_with_move_partition_source")
assert "20110101" not in first.query(
"""
WITH (SELECT toString(uuid) FROM system.tables WHERE name = 'test_insert_quorum_with_move_partition_source') AS uuid,
'/clickhouse/tables/' || uuid || '/0/quorum/last_part' AS p
SELECT * FROM system.zookeeper WHERE path = p FORMAT Vertical
"""
)
print("Select from updated partition.")
if add_new_data:
assert TSV("2\t2011-01-01\n") == TSV(
zero.query("SELECT * FROM test_insert_quorum_with_move_partition_source")
)
assert TSV("2\t2011-01-01\n") == TSV(
second.query("SELECT * FROM test_insert_quorum_with_move_partition_source")
)
else:
assert TSV("") == TSV(
zero.query("SELECT * FROM test_insert_quorum_with_move_partition_source")
)
assert TSV("") == TSV(
second.query("SELECT * FROM test_insert_quorum_with_move_partition_source")
)
zero.query(
"DROP TABLE IF EXISTS test_insert_quorum_with_move_partition_source ON CLUSTER cluster"
)
zero.query(
"DROP TABLE IF EXISTS test_insert_quorum_with_move_partition_destination ON CLUSTER cluster"
)
def test_insert_quorum_with_ttl(started_cluster):
zero.query("DROP TABLE IF EXISTS test_insert_quorum_with_ttl ON CLUSTER cluster")
create_query = (
"CREATE TABLE test_insert_quorum_with_ttl "
"(a Int8, d Date) "
"Engine = ReplicatedMergeTree('/clickhouse/tables/{table}', '{replica}') "
"PARTITION BY d ORDER BY a "
"TTL d + INTERVAL 5 second DELETE WHERE toYear(d) = 2011 "
"SETTINGS merge_with_ttl_timeout=2 "
)
print("Create Replicated table with two replicas")
zero.query(create_query)
first.query(create_query)
print("Stop fetches for test_insert_quorum_with_ttl at first replica.")
first.query("SYSTEM STOP FETCHES test_insert_quorum_with_ttl")
print("Insert should fail since it can not reach the quorum.")
quorum_timeout = zero.query_and_get_error(
"INSERT INTO test_insert_quorum_with_ttl(a,d) VALUES(1, '2011-01-01')",
settings={"insert_quorum_timeout": 5000},
)
assert "Timeout while waiting for quorum" in quorum_timeout, "Query must fail."
print(
"Wait 10 seconds and TTL merge have to be executed. But it won't delete data."
)
time.sleep(10)
assert TSV("1\t2011-01-01\n") == TSV(
zero.query(
"SELECT * FROM test_insert_quorum_with_ttl",
settings={"select_sequential_consistency": 0},
)
)
print("Resume fetches for test_insert_quorum_with_ttl at first replica.")
first.query("SYSTEM START FETCHES test_insert_quorum_with_ttl")
print("Sync first replica.")
first.query("SYSTEM SYNC REPLICA test_insert_quorum_with_ttl")
zero.query(
"INSERT INTO test_insert_quorum_with_ttl(a,d) VALUES(1, '2011-01-01')",
settings={"insert_quorum_timeout": 5000},
)
print("Inserts should resume.")
zero.query("INSERT INTO test_insert_quorum_with_ttl(a, d) VALUES(2, '2012-02-02')")
first.query("OPTIMIZE TABLE test_insert_quorum_with_ttl")
first.query("SYSTEM SYNC REPLICA test_insert_quorum_with_ttl")
zero.query("SYSTEM SYNC REPLICA test_insert_quorum_with_ttl")
assert TSV("2\t2012-02-02\n") == TSV(
first.query(
"SELECT * FROM test_insert_quorum_with_ttl",
settings={"select_sequential_consistency": 0},
)
)
assert TSV("2\t2012-02-02\n") == TSV(
first.query(
"SELECT * FROM test_insert_quorum_with_ttl",
settings={"select_sequential_consistency": 1},
)
)
zero.query("DROP TABLE IF EXISTS test_insert_quorum_with_ttl ON CLUSTER cluster")