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https://github.com/ClickHouse/ClickHouse.git
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365 lines
12 KiB
Python
365 lines
12 KiB
Python
import concurrent
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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.corrupt_part_data_on_disk import corrupt_part_data_on_disk
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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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@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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yield cluster
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finally:
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cluster.shutdown()
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def remove_checksums_on_disk(node, database, table, part_name):
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part_path = node.query(
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f"SELECT path FROM system.parts WHERE database = '{database}' AND table = '{table}' AND name = '{part_name}'"
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).strip()
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node.exec_in_container(
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["bash", "-c", "rm -r {p}/checksums.txt".format(p=part_path)], privileged=True
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)
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def remove_part_from_disk(node, table, part_name):
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part_path = node.query(
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"SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(
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table, part_name
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)
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).strip()
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if not part_path:
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raise Exception("Part " + part_name + "doesn't exist")
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node.exec_in_container(
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["bash", "-c", "rm -r {p}/*".format(p=part_path)], privileged=True
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)
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@pytest.mark.parametrize("merge_tree_settings", [""])
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def test_check_normal_table_corruption(started_cluster, merge_tree_settings):
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node1.query("DROP TABLE IF EXISTS non_replicated_mt")
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node1.query(
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f"""
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CREATE TABLE non_replicated_mt(date Date, id UInt32, value Int32)
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ENGINE = MergeTree() PARTITION BY toYYYYMM(date) ORDER BY id
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{merge_tree_settings};
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"""
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)
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node1.query(
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"INSERT INTO non_replicated_mt VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)"
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)
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assert (
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node1.query(
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"CHECK TABLE non_replicated_mt PARTITION 201902",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201902_1_1_0\t1\t\n"
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)
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remove_checksums_on_disk(node1, "default", "non_replicated_mt", "201902_1_1_0")
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assert (
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node1.query(
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"CHECK TABLE non_replicated_mt",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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).strip()
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== "201902_1_1_0\t1\tChecksums recounted and written to disk."
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)
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assert node1.query("SELECT COUNT() FROM non_replicated_mt") == "2\n"
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remove_checksums_on_disk(node1, "default", "non_replicated_mt", "201902_1_1_0")
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assert (
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node1.query(
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"CHECK TABLE non_replicated_mt PARTITION 201902",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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).strip()
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== "201902_1_1_0\t1\tChecksums recounted and written to disk."
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)
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assert node1.query("SELECT COUNT() FROM non_replicated_mt") == "2\n"
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corrupt_part_data_on_disk(
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node1, "non_replicated_mt", "201902_1_1_0", database="default"
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)
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assert node1.query(
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"CHECK TABLE non_replicated_mt",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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).strip().split("\t")[0:2] == ["201902_1_1_0", "0"]
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assert node1.query(
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"CHECK TABLE non_replicated_mt",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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).strip().split("\t")[0:2] == ["201902_1_1_0", "0"]
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node1.query(
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"INSERT INTO non_replicated_mt VALUES (toDate('2019-01-01'), 1, 10), (toDate('2019-01-01'), 2, 12)"
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)
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assert (
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node1.query(
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"CHECK TABLE non_replicated_mt PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201901_2_2_0\t1\t\n"
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)
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corrupt_part_data_on_disk(
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node1, "non_replicated_mt", "201901_2_2_0", database="default"
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)
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remove_checksums_on_disk(node1, "default", "non_replicated_mt", "201901_2_2_0")
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assert node1.query(
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"CHECK TABLE non_replicated_mt PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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).strip().split("\t")[0:2] == ["201901_2_2_0", "0"]
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@pytest.mark.parametrize("merge_tree_settings, zk_path_suffix", [("", "_0")])
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def test_check_replicated_table_simple(
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started_cluster, merge_tree_settings, zk_path_suffix
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):
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for node in [node1, node2]:
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node.query("DROP TABLE IF EXISTS replicated_mt SYNC")
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node.query(
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"""
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CREATE TABLE replicated_mt(date Date, id UInt32, value Int32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/replicated_mt_{zk_path_suffix}', '{replica}')
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PARTITION BY toYYYYMM(date) ORDER BY id
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{merge_tree_settings}
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""".format(
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replica=node.name,
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zk_path_suffix=zk_path_suffix,
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merge_tree_settings=merge_tree_settings,
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)
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)
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node1.query(
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"INSERT INTO replicated_mt VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)"
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)
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node2.query("SYSTEM SYNC REPLICA replicated_mt")
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assert node1.query("SELECT count() from replicated_mt") == "2\n"
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assert node2.query("SELECT count() from replicated_mt") == "2\n"
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assert (
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node1.query(
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"CHECK TABLE replicated_mt",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201902_0_0_0\t1\t\n"
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)
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assert (
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node2.query(
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"CHECK TABLE replicated_mt",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201902_0_0_0\t1\t\n"
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)
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node2.query(
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"INSERT INTO replicated_mt VALUES (toDate('2019-01-02'), 3, 10), (toDate('2019-01-02'), 4, 12)"
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)
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node1.query("SYSTEM SYNC REPLICA replicated_mt")
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assert node1.query("SELECT count() from replicated_mt") == "4\n"
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assert node2.query("SELECT count() from replicated_mt") == "4\n"
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assert (
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node1.query(
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"CHECK TABLE replicated_mt PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201901_0_0_0\t1\t\n"
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)
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assert (
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node2.query(
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"CHECK TABLE replicated_mt PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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)
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== "201901_0_0_0\t1\t\n"
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)
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assert sorted(
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node2.query(
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"CHECK TABLE replicated_mt",
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settings={"check_query_single_value_result": 0},
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).split("\n")
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) == ["", "201901_0_0_0\t1\t", "201902_0_0_0\t1\t"]
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with pytest.raises(QueryRuntimeException) as exc:
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node2.query(
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"CHECK TABLE replicated_mt PART '201801_0_0_0'",
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settings={"check_query_single_value_result": 0},
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)
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assert "NO_SUCH_DATA_PART" in str(exc.value)
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assert (
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node2.query(
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"CHECK TABLE replicated_mt PART '201902_0_0_0'",
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settings={"check_query_single_value_result": 0},
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)
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== "201902_0_0_0\t1\t\n"
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)
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@pytest.mark.parametrize(
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"merge_tree_settings, zk_path_suffix, part_file_ext",
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[
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(
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"",
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"_0",
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".bin",
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)
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],
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)
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def test_check_replicated_table_corruption(
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started_cluster, merge_tree_settings, zk_path_suffix, part_file_ext
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):
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for node in [node1, node2]:
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node.query_with_retry("DROP TABLE IF EXISTS replicated_mt_1 SYNC")
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node.query_with_retry(
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"""
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CREATE TABLE replicated_mt_1(date Date, id UInt32, value Int32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/replicated_mt_1_{zk_path_suffix}', '{replica}')
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PARTITION BY toYYYYMM(date) ORDER BY id
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{merge_tree_settings}
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""".format(
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replica=node.name,
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merge_tree_settings=merge_tree_settings,
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zk_path_suffix=zk_path_suffix,
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)
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)
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node1.query(
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"INSERT INTO replicated_mt_1 VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)"
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)
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node1.query(
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"INSERT INTO replicated_mt_1 VALUES (toDate('2019-01-02'), 3, 10), (toDate('2019-01-02'), 4, 12)"
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)
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node2.query("SYSTEM SYNC REPLICA replicated_mt_1")
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assert node1.query("SELECT count() from replicated_mt_1") == "4\n"
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assert node2.query("SELECT count() from replicated_mt_1") == "4\n"
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part_name = node1.query_with_retry(
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"SELECT name from system.parts where table = 'replicated_mt_1' and partition_id = '201901' and active = 1"
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).strip()
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corrupt_part_data_on_disk(
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node1, "replicated_mt_1", part_name, part_file_ext, database="default"
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)
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assert node1.query(
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"CHECK TABLE replicated_mt_1 PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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) == "{p}\t0\tPart {p} looks broken. Removing it and will try to fetch.\n".format(
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p=part_name
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)
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node1.query_with_retry("SYSTEM SYNC REPLICA replicated_mt_1")
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assert node1.query(
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"CHECK TABLE replicated_mt_1 PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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) == "{}\t1\t\n".format(part_name)
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assert node1.query("SELECT count() from replicated_mt_1") == "4\n"
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remove_part_from_disk(node2, "replicated_mt_1", part_name)
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assert node2.query(
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"CHECK TABLE replicated_mt_1 PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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) == "{p}\t0\tPart {p} looks broken. Removing it and will try to fetch.\n".format(
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p=part_name
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)
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node1.query("SYSTEM SYNC REPLICA replicated_mt_1")
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assert node1.query(
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"CHECK TABLE replicated_mt_1 PARTITION 201901",
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settings={"check_query_single_value_result": 0, "max_threads": 1},
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) == "{}\t1\t\n".format(part_name)
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assert node1.query("SELECT count() from replicated_mt_1") == "4\n"
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def test_check_all_tables(started_cluster):
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def _create_table(database, table, engine=None):
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if engine is None:
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engine = "MergeTree() PARTITION BY toYYYYMM(date) ORDER BY id SETTINGS min_bytes_for_wide_part=0"
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node1.query(
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f"CREATE TABLE {database}.{table} (date Date, id UInt32, value Int32) ENGINE = {engine}"
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)
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node1.query(
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f"INSERT INTO {database}.{table} VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)"
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)
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node1.query(f"SYSTEM STOP MERGES {database}.{table}")
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for database in ["db1", "db2", "db3"]:
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node1.query(f"CREATE DATABASE {database}")
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for table in ["table1", "table2"]:
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_create_table(database, table)
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remove_checksums_on_disk(node1, "db1", "table2", "201902_1_1_0")
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# These tables should not be checked
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_create_table("db1", "table_memory", "Memory()")
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_create_table("db1", "table_log", "TinyLog()")
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node1.query("SYSTEM ENABLE FAILPOINT check_table_query_delay_for_part")
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with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
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futures = []
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check_future = executor.submit(
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lambda: node1.query(
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"CHECK ALL TABLES",
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settings={"check_query_single_value_result": 0, "max_threads": 16},
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)
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)
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futures.append(executor.submit(lambda: node1.query("DROP TABLE db3.table2")))
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futures.append(executor.submit(lambda: node1.query("DROP DATABASE db2")))
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for future in concurrent.futures.as_completed(futures):
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future.result()
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check_result = check_future.result()
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# Do not check databases created in other tests
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check_result = [
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res.split("\t")
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for res in check_result.split("\n")
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if res and not res.startswith("default")
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]
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checked_tables = {f"{res[0]}.{res[1]}" for res in check_result}
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assert all(
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table in checked_tables for table in ["db1.table1", "db1.table2", "db3.table1"]
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), checked_tables
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for check_result_row in check_result:
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assert len(check_result_row) == 5, check_result_row
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db, table, part, flag, message = check_result_row
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if db == "db1" and table == "table2" and part == "201902_1_1_0":
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assert flag == "1"
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assert message == "Checksums recounted and written to disk."
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else:
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assert flag == "1"
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assert message == ""
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