mirror of
https://github.com/ClickHouse/ClickHouse.git
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151 lines
4.1 KiB
Python
151 lines
4.1 KiB
Python
import pytest
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import random
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import string
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import threading
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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NUM_WORKERS = 5
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MAX_ROWS = 1000
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def gen_insert_values(size):
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return ",".join(
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f"({i},'{''.join(random.choices(string.ascii_lowercase, k=5))}')"
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for i in range(size)
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)
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insert_values = ",".join(
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f"({i},'{''.join(random.choices(string.ascii_lowercase, k=5))}')" for i in range(10)
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)
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@pytest.fixture(scope="module", autouse=True)
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def start_cluster():
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for i in range(NUM_WORKERS):
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cluster.add_instance(
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f"node{i + 1}",
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main_configs=["configs/storage_conf.xml"],
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with_minio=True,
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env_variables={"ENDPOINT_SUBPATH": f"node{i + 1}"},
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stay_alive=True,
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# Override ENDPOINT_SUBPATH.
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instance_env_variables=i > 0,
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)
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.mark.parametrize(
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"storage_policy",
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[
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pytest.param("s3_plain_rewritable"),
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pytest.param("cache_s3_plain_rewritable"),
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],
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)
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def test(storage_policy):
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def create_insert(node, insert_values):
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node.query(
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"""
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CREATE TABLE test (
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id Int64,
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data String
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) ENGINE=MergeTree()
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ORDER BY id
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SETTINGS storage_policy='{}'
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""".format(
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storage_policy
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)
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)
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node.query("INSERT INTO test VALUES {}".format(insert_values))
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insert_values_arr = [
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gen_insert_values(random.randint(1, MAX_ROWS)) for _ in range(0, NUM_WORKERS)
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]
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threads = []
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assert len(cluster.instances) == NUM_WORKERS
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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t = threading.Thread(target=create_insert, args=(node, insert_values_arr[i]))
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threads.append(t)
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t.start()
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for t in threads:
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t.join()
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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assert (
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node.query("SELECT * FROM test ORDER BY id FORMAT Values")
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== insert_values_arr[i]
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)
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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node.query("ALTER TABLE test MODIFY SETTING old_parts_lifetime = 59")
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assert (
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node.query(
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"SELECT engine_full from system.tables WHERE database = currentDatabase() AND name = 'test'"
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).find("old_parts_lifetime = 59")
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!= -1
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)
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node.query("ALTER TABLE test RESET SETTING old_parts_lifetime")
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assert (
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node.query(
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"SELECT engine_full from system.tables WHERE database = currentDatabase() AND name = 'test'"
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).find("old_parts_lifetime")
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== -1
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)
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node.query("ALTER TABLE test MODIFY COMMENT 'new description'")
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assert (
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node.query(
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"SELECT comment from system.tables WHERE database = currentDatabase() AND name = 'test'"
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).find("new description")
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!= -1
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)
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insert_values_arr = []
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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insert_values_arr.append(
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node.query("SELECT * FROM test ORDER BY id FORMAT Values")
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)
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def restart(node):
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node.restart_clickhouse()
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threads = []
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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t = threading.Thread(target=restart, args=(node,))
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threads.append(t)
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t.start()
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for t in threads:
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t.join()
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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assert (
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node.query("SELECT * FROM test ORDER BY id FORMAT Values")
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== insert_values_arr[i]
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)
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for i in range(NUM_WORKERS):
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node = cluster.instances[f"node{i + 1}"]
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node.query("DROP TABLE IF EXISTS test SYNC")
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it = cluster.minio_client.list_objects(
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cluster.minio_bucket, "data/", recursive=True
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)
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assert len(list(it)) == 0
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