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103 lines
4.1 KiB
Python
103 lines
4.1 KiB
Python
#!/usr/bin/env python3
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import pytest
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from helpers.cluster import ClickHouseCluster
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from multiprocessing.dummy import Pool
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from helpers.network import PartitionManager
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from helpers.client import QueryRuntimeException
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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", with_zookeeper=True)
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node2 = cluster.add_instance("node2", with_zookeeper=True)
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node3 = cluster.add_instance("node3", with_zookeeper=True)
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@pytest.fixture(scope="module")
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def started_cluster():
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global cluster
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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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def test_parallel_quorum_actually_parallel(started_cluster):
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settings = {"insert_quorum": "3", "insert_quorum_parallel": "1"}
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for i, node in enumerate([node1, node2, node3]):
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node.query("CREATE TABLE r (a UInt64, b String) ENGINE=ReplicatedMergeTree('/test/r', '{num}') ORDER BY tuple()".format(num=i))
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p = Pool(10)
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def long_insert(node):
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node.query("INSERT INTO r SELECT number, toString(number) FROM numbers(5) where sleepEachRow(1) == 0", settings=settings)
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job = p.apply_async(long_insert, (node1,))
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node2.query("INSERT INTO r VALUES (6, '6')", settings=settings)
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assert node1.query("SELECT COUNT() FROM r") == "1\n"
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assert node2.query("SELECT COUNT() FROM r") == "1\n"
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assert node3.query("SELECT COUNT() FROM r") == "1\n"
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node1.query("INSERT INTO r VALUES (7, '7')", settings=settings)
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assert node1.query("SELECT COUNT() FROM r") == "2\n"
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assert node2.query("SELECT COUNT() FROM r") == "2\n"
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assert node3.query("SELECT COUNT() FROM r") == "2\n"
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job.get()
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assert node1.query("SELECT COUNT() FROM r") == "7\n"
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assert node2.query("SELECT COUNT() FROM r") == "7\n"
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assert node3.query("SELECT COUNT() FROM r") == "7\n"
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p.close()
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p.join()
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def test_parallel_quorum_actually_quorum(started_cluster):
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for i, node in enumerate([node1, node2, node3]):
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node.query("CREATE TABLE q (a UInt64, b String) ENGINE=ReplicatedMergeTree('/test/q', '{num}') ORDER BY tuple()".format(num=i))
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with PartitionManager() as pm:
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pm.partition_instances(node2, node1, port=9009)
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pm.partition_instances(node2, node3, port=9009)
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with pytest.raises(QueryRuntimeException):
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node1.query("INSERT INTO q VALUES(1, 'Hello')", settings={"insert_quorum": "3", "insert_quorum_parallel": "1", "insert_quorum_timeout": "3000"})
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assert_eq_with_retry(node1, "SELECT COUNT() FROM q", "1")
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assert_eq_with_retry(node2, "SELECT COUNT() FROM q", "0")
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assert_eq_with_retry(node3, "SELECT COUNT() FROM q", "1")
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node1.query("INSERT INTO q VALUES(2, 'wlrd')", settings={"insert_quorum": "2", "insert_quorum_parallel": "1", "insert_quorum_timeout": "3000"})
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assert_eq_with_retry(node1, "SELECT COUNT() FROM q", "2")
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assert_eq_with_retry(node2, "SELECT COUNT() FROM q", "0")
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assert_eq_with_retry(node3, "SELECT COUNT() FROM q", "2")
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def insert_value_to_node(node, settings):
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node.query("INSERT INTO q VALUES(3, 'Hi')", settings=settings)
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p = Pool(2)
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res = p.apply_async(insert_value_to_node, (node1, {"insert_quorum": "3", "insert_quorum_parallel": "1", "insert_quorum_timeout": "60000"}))
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assert_eq_with_retry(node1, "SELECT COUNT() FROM system.parts WHERE table == 'q' and active == 1", "3")
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assert_eq_with_retry(node3, "SELECT COUNT() FROM system.parts WHERE table == 'q' and active == 1", "3")
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assert_eq_with_retry(node2, "SELECT COUNT() FROM system.parts WHERE table == 'q' and active == 1", "0")
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# Insert to the second to satisfy quorum
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insert_value_to_node(node2, {"insert_quorum": "3", "insert_quorum_parallel": "1"})
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res.get()
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assert_eq_with_retry(node1, "SELECT COUNT() FROM q", "3")
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assert_eq_with_retry(node2, "SELECT COUNT() FROM q", "1")
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assert_eq_with_retry(node3, "SELECT COUNT() FROM q", "3")
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p.close()
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p.join()
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node2.query("SYSTEM SYNC REPLICA q", timeout=10)
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assert_eq_with_retry(node2, "SELECT COUNT() FROM q", "3")
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