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130 lines
7.0 KiB
Python
130 lines
7.0 KiB
Python
import time
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import pytest
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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', 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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for node in [node1, node2]:
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node.query('''
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CREATE TABLE replicated_mt(date Date, id UInt32, value Int32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/replicated_mt', '{replica}') PARTITION BY toYYYYMM(date) ORDER BY id;
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'''.format(replica=node.name))
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node1.query('''
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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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''')
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yield cluster
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finally:
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cluster.shutdown()
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def corrupt_data_part_on_disk(node, table, part_name):
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part_path = node.query("SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(table, part_name)).strip()
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node.exec_in_container(['bash', '-c', 'cd {p} && ls *.bin | head -n 1 | xargs -I{{}} sh -c \'echo "1" >> $1\' -- {{}}'.format(p=part_path)], privileged=True)
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def remove_checksums_on_disk(node, table, part_name):
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part_path = node.query("SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(table, part_name)).strip()
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node.exec_in_container(['bash', '-c', 'rm -r {p}/checksums.txt'.format(p=part_path)], privileged=True)
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def remove_part_from_disk(node, table, part_name):
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part_path = node.query("SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(table, part_name)).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(['bash', '-c', 'rm -r {p}/*'.format(p=part_path)], privileged=True)
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def test_check_normal_table_corruption(started_cluster):
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node1.query("INSERT INTO non_replicated_mt VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)")
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assert node1.query("CHECK TABLE non_replicated_mt PARTITION 201902", settings={"check_query_single_value_result": 0}) == "201902_1_1_0\t1\t\n"
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remove_checksums_on_disk(node1, "non_replicated_mt", "201902_1_1_0")
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assert node1.query("CHECK TABLE non_replicated_mt", settings={"check_query_single_value_result": 0}).strip() == "201902_1_1_0\t1\tChecksums recounted and written to disk."
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assert node1.query("SELECT COUNT() FROM non_replicated_mt") == "2\n"
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remove_checksums_on_disk(node1, "non_replicated_mt", "201902_1_1_0")
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assert node1.query("CHECK TABLE non_replicated_mt PARTITION 201902", settings={"check_query_single_value_result": 0}).strip() == "201902_1_1_0\t1\tChecksums recounted and written to disk."
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assert node1.query("SELECT COUNT() FROM non_replicated_mt") == "2\n"
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corrupt_data_part_on_disk(node1, "non_replicated_mt", "201902_1_1_0")
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assert node1.query("CHECK TABLE non_replicated_mt", settings={"check_query_single_value_result": 0}).strip() == "201902_1_1_0\t0\tCannot read all data. Bytes read: 2. Bytes expected: 16."
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assert node1.query("CHECK TABLE non_replicated_mt", settings={"check_query_single_value_result": 0}).strip() == "201902_1_1_0\t0\tCannot read all data. Bytes read: 2. Bytes expected: 16."
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node1.query("INSERT INTO non_replicated_mt VALUES (toDate('2019-01-01'), 1, 10), (toDate('2019-01-01'), 2, 12)")
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assert node1.query("CHECK TABLE non_replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "201901_2_2_0\t1\t\n"
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corrupt_data_part_on_disk(node1, "non_replicated_mt", "201901_2_2_0")
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remove_checksums_on_disk(node1, "non_replicated_mt", "201901_2_2_0")
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assert node1.query("CHECK TABLE non_replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "201901_2_2_0\t0\tCheck of part finished with error: \\'Cannot read all data. Bytes read: 2. Bytes expected: 16.\\'\n"
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def test_check_replicated_table_simple(started_cluster):
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node1.query("TRUNCATE TABLE replicated_mt")
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node2.query("SYSTEM SYNC REPLICA replicated_mt")
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node1.query("INSERT INTO replicated_mt VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)")
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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 node1.query("CHECK TABLE replicated_mt", settings={"check_query_single_value_result": 0}) == "201902_0_0_0\t1\t\n"
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assert node2.query("CHECK TABLE replicated_mt", settings={"check_query_single_value_result": 0}) == "201902_0_0_0\t1\t\n"
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node2.query("INSERT INTO replicated_mt VALUES (toDate('2019-01-02'), 3, 10), (toDate('2019-01-02'), 4, 12)")
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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 node1.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "201901_0_0_0\t1\t\n"
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assert node2.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "201901_0_0_0\t1\t\n"
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def test_check_replicated_table_corruption(started_cluster):
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node1.query("TRUNCATE TABLE replicated_mt")
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node2.query("SYSTEM SYNC REPLICA replicated_mt")
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node1.query("INSERT INTO replicated_mt VALUES (toDate('2019-02-01'), 1, 10), (toDate('2019-02-01'), 2, 12)")
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node1.query("INSERT INTO replicated_mt VALUES (toDate('2019-01-02'), 3, 10), (toDate('2019-01-02'), 4, 12)")
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node2.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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part_name = node1.query("SELECT name from system.parts where table = 'replicated_mt' and partition_id = '201901' and active = 1").strip()
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corrupt_data_part_on_disk(node1, "replicated_mt", part_name)
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assert node1.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "{p}\t0\tPart {p} looks broken. Removing it and queueing a fetch.\n".format(p=part_name)
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node1.query("SYSTEM SYNC REPLICA replicated_mt")
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assert node1.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "{}\t1\t\n".format(part_name)
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assert node1.query("SELECT count() from replicated_mt") == "4\n"
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remove_part_from_disk(node2, "replicated_mt", part_name)
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assert node2.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "{p}\t0\tPart {p} looks broken. Removing it and queueing a fetch.\n".format(p=part_name)
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node1.query("SYSTEM SYNC REPLICA replicated_mt")
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assert node1.query("CHECK TABLE replicated_mt PARTITION 201901", settings={"check_query_single_value_result": 0}) == "{}\t1\t\n".format(part_name)
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assert node1.query("SELECT count() from replicated_mt") == "4\n"
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