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82 lines
4.9 KiB
Python
82 lines
4.9 KiB
Python
import time
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import pytest
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from helpers.client import QueryRuntimeException
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', user_configs=['configs/users_on_cluster.xml'])
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node2 = cluster.add_instance('node2', user_configs=['configs/users_on_cluster.xml'])
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distributed = cluster.add_instance('distributed', main_configs=['configs/remote_servers.xml'], user_configs=['configs/users_on_distributed.xml'])
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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for node in [node1, node2]:
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node.query("CREATE TABLE sometable(date Date, id UInt32, value Int32) ENGINE = MergeTree() ORDER BY id;")
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node.query("INSERT INTO sometable VALUES (toDate('2020-01-20'), 1, 1)")
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distributed.query("CREATE TABLE proxy (date Date, id UInt32, value Int32) ENGINE = Distributed(test_cluster, default, sometable);")
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distributed.query("CREATE TABLE sysproxy (name String, value String) ENGINE = Distributed(test_cluster, system, settings);")
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yield cluster
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finally:
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cluster.shutdown()
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def test_shard_doesnt_throw_on_constraint_violation(started_cluster):
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query = "SELECT COUNT() FROM proxy"
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assert distributed.query(query) == '2\n'
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assert distributed.query(query, user = 'normal') == '2\n'
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assert distributed.query(query, user = 'wasteful') == '2\n'
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assert distributed.query(query, user = 'readonly') == '2\n'
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assert distributed.query(query, settings={"max_memory_usage": 40000000, "readonly": 2}) == '2\n'
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assert distributed.query(query, settings={"max_memory_usage": 3000000000, "readonly": 2}) == '2\n'
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query = "SELECT COUNT() FROM remote('node{1,2}', 'default', 'sometable')"
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assert distributed.query(query) == '2\n'
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assert distributed.query(query, user = 'normal') == '2\n'
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assert distributed.query(query, user = 'wasteful') == '2\n'
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def test_shard_clamps_settings(started_cluster):
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query = "SELECT hostName() as host, name, value FROM sysproxy WHERE name = 'max_memory_usage' OR name = 'readonly' ORDER BY host, name, value"
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assert distributed.query(query) == 'node1\tmax_memory_usage\t99999999\n'\
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'node1\treadonly\t0\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, user = 'normal') == 'node1\tmax_memory_usage\t80000000\n'\
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'node1\treadonly\t0\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, user = 'wasteful') == 'node1\tmax_memory_usage\t99999999\n'\
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'node1\treadonly\t0\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, user = 'readonly') == 'node1\tmax_memory_usage\t99999999\n'\
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'node1\treadonly\t1\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, settings={"max_memory_usage": 1}) == 'node1\tmax_memory_usage\t11111111\n'\
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'node1\treadonly\t0\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, settings={"max_memory_usage": 40000000, "readonly": 2}) == 'node1\tmax_memory_usage\t40000000\n'\
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'node1\treadonly\t2\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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assert distributed.query(query, settings={"max_memory_usage": 3000000000, "readonly": 2}) == 'node1\tmax_memory_usage\t99999999\n'\
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'node1\treadonly\t2\n'\
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'node2\tmax_memory_usage\t10000000000\n'\
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'node2\treadonly\t1\n'
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