import json import pytest import random import re import string import threading import time from multiprocessing.dummy import Pool from helpers.client import QueryRuntimeException from helpers.cluster import ClickHouseCluster from helpers.test_tools import TSV cluster = ClickHouseCluster(__file__) node1 = cluster.add_instance('node1', config_dir='configs', main_configs=['configs/logs_config.xml'], with_zookeeper=True, stay_alive=True, tmpfs=['/jbod1:size=40M', '/jbod2:size=40M', '/external:size=200M'], macros={"shard": 0, "replica": 1} ) node2 = cluster.add_instance('node2', config_dir='configs', main_configs=['configs/logs_config.xml'], with_zookeeper=True, stay_alive=True, tmpfs=['/jbod1:size=40M', '/jbod2:size=40M', '/external:size=200M'], macros={"shard": 0, "replica": 2} ) @pytest.fixture(scope="module") def start_cluster(): try: cluster.start() yield cluster finally: cluster.shutdown() def test_system_tables(start_cluster): expected_disks_data = [ { "name": "default", "path": "/var/lib/clickhouse/", "keep_free_space": '1024', }, { "name": "jbod1", "path": "/jbod1/", "keep_free_space": '0', }, { "name": "jbod2", "path": "/jbod2/", "keep_free_space": '10485760', }, { "name": "external", "path": "/external/", "keep_free_space": '0', } ] click_disk_data = json.loads(node1.query("SELECT name, path, keep_free_space FROM system.disks FORMAT JSON"))["data"] assert sorted(click_disk_data, key=lambda x: x["name"]) == sorted(expected_disks_data, key=lambda x: x["name"]) expected_policies_data = [ { "policy_name": "small_jbod_with_external", "volume_name": "main", "volume_priority": "1", "disks": ["jbod1"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "small_jbod_with_external", "volume_name": "external", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "one_more_small_jbod_with_external", "volume_name": "m", "volume_priority": "1", "disks": ["jbod1"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "one_more_small_jbod_with_external", "volume_name": "e", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "jbods_with_external", "volume_name": "main", "volume_priority": "1", "disks": ["jbod1", "jbod2"], "max_data_part_size": "10485760", "move_factor": 0.1, }, { "policy_name": "jbods_with_external", "volume_name": "external", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "moving_jbod_with_external", "volume_name": "main", "volume_priority": "1", "disks": ["jbod1"], "max_data_part_size": "0", "move_factor": 0.7, }, { "policy_name": "moving_jbod_with_external", "volume_name": "external", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "0", "move_factor": 0.7, }, { "policy_name": "default_disk_with_external", "volume_name": "small", "volume_priority": "1", "disks": ["default"], "max_data_part_size": "2097152", "move_factor": 0.1, }, { "policy_name": "default_disk_with_external", "volume_name": "big", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "20971520", "move_factor": 0.1, }, { "policy_name": "special_warning_policy", "volume_name": "special_warning_zero_volume", "volume_priority": "1", "disks": ["default"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "special_warning_policy", "volume_name": "special_warning_default_volume", "volume_priority": "2", "disks": ["external"], "max_data_part_size": "0", "move_factor": 0.1, }, { "policy_name": "special_warning_policy", "volume_name": "special_warning_small_volume", "volume_priority": "3", "disks": ["jbod1"], "max_data_part_size": "1024", "move_factor": 0.1, }, { "policy_name": "special_warning_policy", "volume_name": "special_warning_big_volume", "volume_priority": "4", "disks": ["jbod2"], "max_data_part_size": "1024000000", "move_factor": 0.1, }, ] clickhouse_policies_data = json.loads(node1.query("SELECT * FROM system.storage_policies WHERE policy_name != 'default' FORMAT JSON"))["data"] def key(x): return (x["policy_name"], x["volume_name"], x["volume_priority"]) assert sorted(clickhouse_policies_data, key=key) == sorted(expected_policies_data, key=key) def test_query_parser(start_cluster): try: with pytest.raises(QueryRuntimeException): node1.query(""" CREATE TABLE table_with_absent_policy ( d UInt64 ) ENGINE = MergeTree() ORDER BY d SETTINGS storage_policy='very_exciting_policy' """) with pytest.raises(QueryRuntimeException): node1.query(""" CREATE TABLE table_with_absent_policy ( d UInt64 ) ENGINE = MergeTree() ORDER BY d SETTINGS storage_policy='jbod1' """) node1.query(""" CREATE TABLE table_with_normal_policy ( d UInt64 ) ENGINE = MergeTree() ORDER BY d SETTINGS storage_policy='default' """) node1.query("INSERT INTO table_with_normal_policy VALUES (5)") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE table_with_normal_policy MOVE PARTITION 'all' TO VOLUME 'some_volume'") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE table_with_normal_policy MOVE PARTITION 'all' TO DISK 'some_volume'") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE table_with_normal_policy MOVE PART 'xxxxx' TO DISK 'jbod1'") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE table_with_normal_policy MOVE PARTITION 'yyyy' TO DISK 'jbod1'") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE table_with_normal_policy MODIFY SETTING storage_policy='moving_jbod_with_external'") finally: node1.query("DROP TABLE IF EXISTS table_with_normal_policy") @pytest.mark.parametrize("name,engine", [ ("test_alter_policy","MergeTree()"), ("replicated_test_alter_policy","ReplicatedMergeTree('/clickhouse/test_alter_policy', '1')",), ]) def test_alter_policy(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( d UInt64 ) ENGINE = {engine} ORDER BY d SETTINGS storage_policy='small_jbod_with_external' """.format(name=name, engine=engine)) assert node1.query("""SELECT storage_policy FROM system.tables WHERE name = '{name}'""".format(name=name)) == "small_jbod_with_external\n" with pytest.raises(QueryRuntimeException): node1.query("""ALTER TABLE {name} MODIFY SETTING storage_policy='one_more_small_jbod_with_external'""".format(name=name)) assert node1.query("""SELECT storage_policy FROM system.tables WHERE name = '{name}'""".format(name=name)) == "small_jbod_with_external\n" node1.query("""ALTER TABLE {name} MODIFY SETTING storage_policy='jbods_with_external'""".format(name=name)) assert node1.query("""SELECT storage_policy FROM system.tables WHERE name = '{name}'""".format(name=name)) == "jbods_with_external\n" with pytest.raises(QueryRuntimeException): node1.query("""ALTER TABLE {name} MODIFY SETTING storage_policy='small_jbod_with_external'""".format(name=name)) assert node1.query("""SELECT storage_policy FROM system.tables WHERE name = '{name}'""".format(name=name)) == "jbods_with_external\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) def get_random_string(length): return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(length)) def get_used_disks_for_table(node, table_name): return node.query("select disk_name from system.parts where table == '{}' and active=1 order by modification_time".format(table_name)).strip().split('\n') def test_no_warning_about_zero_max_data_part_size(start_cluster): def get_log(node): return node.exec_in_container(["bash", "-c", "cat /var/log/clickhouse-server/clickhouse-server.log"]) for node in (node1, node2): node.query(""" CREATE TABLE default.test_warning_table ( s String ) ENGINE = MergeTree ORDER BY tuple() SETTINGS storage_policy='small_jbod_with_external' """) node.query(""" DROP TABLE default.test_warning_table """) log = get_log(node) assert not re.search("Warning.*Volume.*special_warning_zero_volume", log) assert not re.search("Warning.*Volume.*special_warning_default_volume", log) assert re.search("Warning.*Volume.*special_warning_small_volume", log) assert not re.search("Warning.*Volume.*special_warning_big_volume", log) @pytest.mark.parametrize("name,engine", [ ("mt_on_jbod","MergeTree()"), ("replicated_mt_on_jbod","ReplicatedMergeTree('/clickhouse/replicated_mt_on_jbod', '1')",), ]) def test_round_robin(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( d UInt64 ) ENGINE = {engine} ORDER BY d SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) # first should go to the jbod1 node1.query("insert into {} select * from numbers(10000)".format(name)) used_disk = get_used_disks_for_table(node1, name) assert len(used_disk) == 1, 'More than one disk used for single insert' node1.query("insert into {} select * from numbers(10000, 10000)".format(name)) used_disks = get_used_disks_for_table(node1, name) assert len(used_disks) == 2, 'Two disks should be used for two parts' assert used_disks[0] != used_disks[1], "Should write to different disks" node1.query("insert into {} select * from numbers(20000, 10000)".format(name)) used_disks = get_used_disks_for_table(node1, name) # jbod1 -> jbod2 -> jbod1 -> jbod2 ... etc assert len(used_disks) == 3 assert used_disks[0] != used_disks[1] assert used_disks[2] == used_disks[0] finally: node1.query("DROP TABLE IF EXISTS {}".format(name)) @pytest.mark.parametrize("name,engine", [ ("mt_with_huge_part","MergeTree()"), ("replicated_mt_with_huge_part","ReplicatedMergeTree('/clickhouse/replicated_mt_with_huge_part', '1')",), ]) def test_max_data_part_size(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) data = [] # 10MB in total for i in range(10): data.append(get_random_string(1024 * 1024)) # 1MB row node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) used_disks = get_used_disks_for_table(node1, name) assert len(used_disks) == 1 assert used_disks[0] == 'external' finally: node1.query("DROP TABLE IF EXISTS {}".format(name)) @pytest.mark.skip(reason="Flappy test") @pytest.mark.parametrize("name,engine", [ ("mt_with_overflow","MergeTree()"), ("replicated_mt_with_overflow","ReplicatedMergeTree('/clickhouse/replicated_mt_with_overflow', '1')",), ]) def test_jbod_overflow(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='small_jbod_with_external' """.format(name=name, engine=engine)) node1.query("SYSTEM STOP MERGES") # small jbod size is 40MB, so lets insert 5MB batch 7 times for i in range(7): data = [] # 5MB in total for i in range(5): data.append(get_random_string(1024 * 1024)) # 1MB row node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) used_disks = get_used_disks_for_table(node1, name) assert all(disk == 'jbod1' for disk in used_disks) # should go to the external disk (jbod is overflown) data = [] # 10MB in total for i in range(10): data.append(get_random_string(1024 * 1024)) # 1MB row node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) used_disks = get_used_disks_for_table(node1, name) assert used_disks[-1] == 'external' node1.query("SYSTEM START MERGES") time.sleep(1) node1.query("OPTIMIZE TABLE {} FINAL".format(name)) time.sleep(2) disks_for_merges = node1.query("SELECT disk_name FROM system.parts WHERE table == '{}' AND level >= 1 and active = 1 ORDER BY modification_time".format(name)).strip().split('\n') assert all(disk == 'external' for disk in disks_for_merges) finally: node1.query("DROP TABLE IF EXISTS {}".format(name)) @pytest.mark.parametrize("name,engine", [ ("moving_mt","MergeTree()"), ("moving_replicated_mt","ReplicatedMergeTree('/clickhouse/moving_replicated_mt', '1')",), ]) def test_background_move(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external' """.format(name=name, engine=engine)) for i in range(5): data = [] # 5MB in total for i in range(5): data.append(get_random_string(1024 * 1024)) # 1MB row # small jbod size is 40MB, so lets insert 5MB batch 5 times node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) used_disks = get_used_disks_for_table(node1, name) retry = 20 i = 0 while not sum(1 for x in used_disks if x == 'jbod1') <= 2 and i < retry: time.sleep(0.5) used_disks = get_used_disks_for_table(node1, name) i += 1 assert sum(1 for x in used_disks if x == 'jbod1') <= 2 # first (oldest) part was moved to external assert used_disks[0] == 'external' path = node1.query("SELECT path_on_disk FROM system.part_log WHERE table = '{}' AND event_type='MovePart' ORDER BY event_time LIMIT 1".format(name)) # first (oldest) part was moved to external assert path.startswith("/external") finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.skip(reason="Flappy test") @pytest.mark.parametrize("name,engine", [ ("stopped_moving_mt","MergeTree()"), ("stopped_moving_replicated_mt","ReplicatedMergeTree('/clickhouse/stopped_moving_replicated_mt', '1')",), ]) def test_start_stop_moves(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external' """.format(name=name, engine=engine)) node1.query("INSERT INTO {} VALUES ('HELLO')".format(name)) node1.query("INSERT INTO {} VALUES ('WORLD')".format(name)) used_disks = get_used_disks_for_table(node1, name) assert all(d == "jbod1" for d in used_disks), "All writes shoud go to jbods" first_part = node1.query("SELECT name FROM system.parts WHERE table = '{}' and active = 1 ORDER BY modification_time LIMIT 1".format(name)).strip() node1.query("SYSTEM STOP MOVES") with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE {} MOVE PART '{}' TO VOLUME 'external'".format(name, first_part)) used_disks = get_used_disks_for_table(node1, name) assert all(d == "jbod1" for d in used_disks), "Blocked moves doesn't actually move something" node1.query("SYSTEM START MOVES") node1.query("ALTER TABLE {} MOVE PART '{}' TO VOLUME 'external'".format(name, first_part)) disk = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and name = '{}' and active = 1".format(name, first_part)).strip() assert disk == "external" node1.query("TRUNCATE TABLE {}".format(name)) node1.query("SYSTEM STOP MOVES {}".format(name)) node1.query("SYSTEM STOP MERGES {}".format(name)) for i in range(5): data = [] # 5MB in total for i in range(5): data.append(get_random_string(1024 * 1024)) # 1MB row # jbod size is 40MB, so lets insert 5MB batch 7 times node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) used_disks = get_used_disks_for_table(node1, name) retry = 5 i = 0 while not sum(1 for x in used_disks if x == 'jbod1') <= 2 and i < retry: time.sleep(0.1) used_disks = get_used_disks_for_table(node1, name) i += 1 # first (oldest) part doesn't move anywhere assert used_disks[0] == 'jbod1' node1.query("SYSTEM START MOVES {}".format(name)) node1.query("SYSTEM START MERGES {}".format(name)) # wait sometime until background backoff finishes retry = 30 i = 0 while not sum(1 for x in used_disks if x == 'jbod1') <= 2 and i < retry: time.sleep(1) used_disks = get_used_disks_for_table(node1, name) i += 1 assert sum(1 for x in used_disks if x == 'jbod1') <= 2 # first (oldest) part moved to external assert used_disks[0] == 'external' finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) def get_path_for_part_from_part_log(node, table, part_name): node.query("SYSTEM FLUSH LOGS") path = node.query("SELECT path_on_disk FROM system.part_log WHERE table = '{}' and part_name = '{}' ORDER BY event_time DESC LIMIT 1".format(table, part_name)) return path.strip() def get_paths_for_partition_from_part_log(node, table, partition_id): node.query("SYSTEM FLUSH LOGS") paths = node.query("SELECT path_on_disk FROM system.part_log WHERE table = '{}' and partition_id = '{}' ORDER BY event_time DESC".format(table, partition_id)) return paths.strip().split('\n') @pytest.mark.parametrize("name,engine", [ ("altering_mt","MergeTree()"), #("altering_replicated_mt","ReplicatedMergeTree('/clickhouse/altering_replicated_mt', '1')",), # SYSTEM STOP MERGES doesn't disable merges assignments ]) def test_alter_move(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) node1.query("SYSTEM STOP MERGES {}".format(name)) # to avoid conflicts node1.query("INSERT INTO {} VALUES(toDate('2019-03-15'), 65)".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-03-16'), 66)".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-04-10'), 42)".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-04-11'), 43)".format(name)) used_disks = get_used_disks_for_table(node1, name) assert all(d.startswith("jbod") for d in used_disks), "All writes should go to jbods" first_part = node1.query("SELECT name FROM system.parts WHERE table = '{}' and active = 1 ORDER BY modification_time LIMIT 1".format(name)).strip() time.sleep(1) node1.query("ALTER TABLE {} MOVE PART '{}' TO VOLUME 'external'".format(name, first_part)) disk = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and name = '{}' and active = 1".format(name, first_part)).strip() assert disk == 'external' assert get_path_for_part_from_part_log(node1, name, first_part).startswith("/external") time.sleep(1) node1.query("ALTER TABLE {} MOVE PART '{}' TO DISK 'jbod1'".format(name, first_part)) disk = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and name = '{}' and active = 1".format(name, first_part)).strip() assert disk == 'jbod1' assert get_path_for_part_from_part_log(node1, name, first_part).startswith("/jbod1") time.sleep(1) node1.query("ALTER TABLE {} MOVE PARTITION 201904 TO VOLUME 'external'".format(name)) disks = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and partition = '201904' and active = 1".format(name)).strip().split('\n') assert len(disks) == 2 assert all(d == "external" for d in disks) assert all(path.startswith("/external") for path in get_paths_for_partition_from_part_log(node1, name, '201904')[:2]) time.sleep(1) node1.query("ALTER TABLE {} MOVE PARTITION 201904 TO DISK 'jbod2'".format(name)) disks = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and partition = '201904' and active = 1".format(name)).strip().split('\n') assert len(disks) == 2 assert all(d == "jbod2" for d in disks) assert all(path.startswith("/jbod2") for path in get_paths_for_partition_from_part_log(node1, name, '201904')[:2]) assert node1.query("SELECT COUNT() FROM {}".format(name)) == "4\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.parametrize("volume_or_disk", [ "DISK", "VOLUME" ]) def test_alter_move_half_of_partition(start_cluster, volume_or_disk): name = "alter_move_half_of_partition" engine = "MergeTree()" try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) node1.query("SYSTEM STOP MERGES {}".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-03-15'), 65)".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-03-16'), 42)".format(name)) used_disks = get_used_disks_for_table(node1, name) assert all(d.startswith("jbod") for d in used_disks), "All writes should go to jbods" time.sleep(1) parts = node1.query("SELECT name FROM system.parts WHERE table = '{}' and active = 1".format(name)).splitlines() assert len(parts) == 2 node1.query("ALTER TABLE {} MOVE PART '{}' TO VOLUME 'external'".format(name, parts[0])) disks = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and name = '{}' and active = 1".format(name, parts[0])).splitlines() assert disks == ["external"] time.sleep(1) node1.query("ALTER TABLE {} MOVE PARTITION 201903 TO {volume_or_disk} 'external'".format(name, volume_or_disk=volume_or_disk)) disks = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and partition = '201903' and active = 1".format(name)).splitlines() assert disks == ["external"]*2 assert node1.query("SELECT COUNT() FROM {}".format(name)) == "2\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.parametrize("volume_or_disk", [ "DISK", "VOLUME" ]) def test_alter_double_move_partition(start_cluster, volume_or_disk): name = "alter_double_move_partition" engine = "MergeTree()" try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) node1.query("SYSTEM STOP MERGES {}".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-03-15'), 65)".format(name)) node1.query("INSERT INTO {} VALUES(toDate('2019-03-16'), 42)".format(name)) used_disks = get_used_disks_for_table(node1, name) assert all(d.startswith("jbod") for d in used_disks), "All writes should go to jbods" time.sleep(1) node1.query("ALTER TABLE {} MOVE PARTITION 201903 TO {volume_or_disk} 'external'".format(name, volume_or_disk=volume_or_disk)) disks = node1.query("SELECT disk_name FROM system.parts WHERE table = '{}' and partition = '201903' and active = 1".format(name)).splitlines() assert disks == ["external"]*2 assert node1.query("SELECT COUNT() FROM {}".format(name)) == "2\n" time.sleep(1) with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE {} MOVE PARTITION 201903 TO {volume_or_disk} 'external'".format(name, volume_or_disk=volume_or_disk)) finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) def produce_alter_move(node, name): move_type = random.choice(["PART", "PARTITION"]) if move_type == "PART": for _ in range(10): try: parts = node1.query("SELECT name from system.parts where table = '{}' and active = 1".format(name)).strip().split('\n') break except QueryRuntimeException: pass else: raise Exception("Cannot select from system.parts") move_part = random.choice(["'" + part + "'" for part in parts]) else: move_part = random.choice([201903, 201904]) move_disk = random.choice(["DISK", "VOLUME"]) if move_disk == "DISK": move_volume = random.choice(["'external'", "'jbod1'", "'jbod2'"]) else: move_volume = random.choice(["'main'", "'external'"]) try: node1.query("ALTER TABLE {} MOVE {mt} {mp} TO {md} {mv}".format( name, mt=move_type, mp=move_part, md=move_disk, mv=move_volume)) except QueryRuntimeException as ex: pass @pytest.mark.skip(reason="Flappy test") @pytest.mark.parametrize("name,engine", [ ("concurrently_altering_mt","MergeTree()"), ("concurrently_altering_replicated_mt","ReplicatedMergeTree('/clickhouse/concurrently_altering_replicated_mt', '1')",), ]) def test_concurrent_alter_move(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) values = list({ random.randint(1, 1000000) for _ in range(0, 1000) }) def insert(num): for i in range(num): day = random.randint(11, 30) value = values.pop() month = '0' + str(random.choice([3, 4])) node1.query("INSERT INTO {} VALUES(toDate('2019-{m}-{d}'), {v})".format(name, m=month, d=day, v=value)) def alter_move(num): for i in range(num): produce_alter_move(node1, name) def alter_update(num): for i in range(num): node1.query("ALTER TABLE {} UPDATE number = number + 1 WHERE 1".format(name)) def optimize_table(num): for i in range(num): node1.query("OPTIMIZE TABLE {} FINAL".format(name)) p = Pool(15) tasks = [] for i in range(5): tasks.append(p.apply_async(insert, (100,))) tasks.append(p.apply_async(alter_move, (100,))) tasks.append(p.apply_async(alter_update, (100,))) tasks.append(p.apply_async(optimize_table, (100,))) for task in tasks: task.get(timeout=120) assert node1.query("SELECT 1") == "1\n" assert node1.query("SELECT COUNT() FROM {}".format(name)) == "500\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.skip(reason="Flappy test") @pytest.mark.parametrize("name,engine", [ ("concurrently_dropping_mt","MergeTree()"), ("concurrently_dropping_replicated_mt","ReplicatedMergeTree('/clickhouse/concurrently_dropping_replicated_mt', '1')",), ]) def test_concurrent_alter_move_and_drop(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) values = list({ random.randint(1, 1000000) for _ in range(0, 1000) }) def insert(num): for i in range(num): day = random.randint(11, 30) value = values.pop() month = '0' + str(random.choice([3, 4])) node1.query("INSERT INTO {} VALUES(toDate('2019-{m}-{d}'), {v})".format(name, m=month, d=day, v=value)) def alter_move(num): for i in range(num): produce_alter_move(node1, name) def alter_drop(num): for i in range(num): partition = random.choice([201903, 201904]) drach = random.choice(["drop", "detach"]) node1.query("ALTER TABLE {} {} PARTITION {}".format(name, drach, partition)) insert(100) p = Pool(15) tasks = [] for i in range(5): tasks.append(p.apply_async(insert, (100,))) tasks.append(p.apply_async(alter_move, (100,))) tasks.append(p.apply_async(alter_drop, (100,))) for task in tasks: task.get(timeout=60) assert node1.query("SELECT 1") == "1\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.parametrize("name,engine", [ ("detach_attach_mt","MergeTree()"), ("replicated_detach_attach_mt","ReplicatedMergeTree('/clickhouse/replicated_detach_attach_mt', '1')",), ]) def test_detach_attach(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external' """.format(name=name, engine=engine)) data = [] # 5MB in total for i in range(5): data.append(get_random_string(1024 * 1024)) # 1MB row node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) node1.query("ALTER TABLE {} DETACH PARTITION tuple()".format(name)) assert node1.query("SELECT count() FROM {}".format(name)).strip() == "0" assert node1.query("SELECT disk FROM system.detached_parts WHERE table = '{}'".format(name)).strip() == "jbod1" node1.query("ALTER TABLE {} ATTACH PARTITION tuple()".format(name)) assert node1.query("SELECT count() FROM {}".format(name)).strip() == "5" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.parametrize("name,engine", [ ("mutating_mt","MergeTree()"), ("replicated_mutating_mt","ReplicatedMergeTree('/clickhouse/replicated_mutating_mt', '1')",), ]) def test_mutate_to_another_disk(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( s1 String ) ENGINE = {engine} ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external' """.format(name=name, engine=engine)) for i in range(5): data = [] # 5MB in total for i in range(5): data.append(get_random_string(1024 * 1024)) # 1MB row node1.query("INSERT INTO {} VALUES {}".format(name, ','.join(["('" + x + "')" for x in data]))) node1.query("ALTER TABLE {} UPDATE s1 = concat(s1, 'x') WHERE 1".format(name)) retry = 20 while node1.query("SELECT * FROM system.mutations WHERE is_done = 0") != "" and retry > 0: retry -= 1 time.sleep(0.5) if node1.query("SELECT latest_fail_reason FROM system.mutations WHERE table = '{}'".format(name)) == "": assert node1.query("SELECT sum(endsWith(s1, 'x')) FROM {}".format(name)) == "25\n" else: # mutation failed, let's try on another disk print "Mutation failed" node1.query("OPTIMIZE TABLE {} FINAL".format(name)) node1.query("ALTER TABLE {} UPDATE s1 = concat(s1, 'x') WHERE 1".format(name)) retry = 20 while node1.query("SELECT * FROM system.mutations WHERE is_done = 0") != "" and retry > 0: retry -= 1 time.sleep(0.5) assert node1.query("SELECT sum(endsWith(s1, 'x')) FROM {}".format(name)) == "25\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) @pytest.mark.skip(reason="Flappy test") @pytest.mark.parametrize("name,engine", [ ("alter_modifying_mt","MergeTree()"), ("replicated_alter_modifying_mt","ReplicatedMergeTree('/clickhouse/replicated_alter_modifying_mt', '1')",), ]) def test_concurrent_alter_modify(start_cluster, name, engine): try: node1.query(""" CREATE TABLE {name} ( EventDate Date, number UInt64 ) ENGINE = {engine} ORDER BY tuple() PARTITION BY toYYYYMM(EventDate) SETTINGS storage_policy='jbods_with_external' """.format(name=name, engine=engine)) values = list({ random.randint(1, 1000000) for _ in range(0, 1000) }) def insert(num): for i in range(num): day = random.randint(11, 30) value = values.pop() month = '0' + str(random.choice([3, 4])) node1.query("INSERT INTO {} VALUES(toDate('2019-{m}-{d}'), {v})".format(name, m=month, d=day, v=value)) def alter_move(num): for i in range(num): produce_alter_move(node1, name) def alter_modify(num): for i in range(num): column_type = random.choice(["UInt64", "String"]) node1.query("ALTER TABLE {} MODIFY COLUMN number {}".format(name, column_type)) insert(100) assert node1.query("SELECT COUNT() FROM {}".format(name)) == "100\n" p = Pool(50) tasks = [] for i in range(5): tasks.append(p.apply_async(alter_move, (100,))) tasks.append(p.apply_async(alter_modify, (100,))) for task in tasks: task.get(timeout=120) assert node1.query("SELECT 1") == "1\n" assert node1.query("SELECT COUNT() FROM {}".format(name)) == "100\n" finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) def test_simple_replication_and_moves(start_cluster): try: for i, node in enumerate([node1, node2]): node.query(""" CREATE TABLE replicated_table_for_moves ( s1 String ) ENGINE = ReplicatedMergeTree('/clickhouse/replicated_table_for_moves', '{}') ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external', old_parts_lifetime=1, cleanup_delay_period=1, cleanup_delay_period_random_add=2 """.format(i + 1)) def insert(num): for i in range(num): node = random.choice([node1, node2]) data = [] # 1MB in total for i in range(2): data.append(get_random_string(512 * 1024)) # 500KB value node.query("INSERT INTO replicated_table_for_moves VALUES {}".format(','.join(["('" + x + "')" for x in data]))) def optimize(num): for i in range(num): node = random.choice([node1, node2]) node.query("OPTIMIZE TABLE replicated_table_for_moves FINAL") p = Pool(60) tasks = [] tasks.append(p.apply_async(insert, (20,))) tasks.append(p.apply_async(optimize, (20,))) for task in tasks: task.get(timeout=60) node1.query("SYSTEM SYNC REPLICA replicated_table_for_moves", timeout=5) node2.query("SYSTEM SYNC REPLICA replicated_table_for_moves", timeout=5) node1.query("SELECT COUNT() FROM replicated_table_for_moves") == "40\n" node2.query("SELECT COUNT() FROM replicated_table_for_moves") == "40\n" data = [] # 1MB in total for i in range(2): data.append(get_random_string(512 * 1024)) # 500KB value time.sleep(3) # wait until old parts will be deleted node1.query("SYSTEM STOP MERGES") node2.query("SYSTEM STOP MERGES") node1.query("INSERT INTO replicated_table_for_moves VALUES {}".format(','.join(["('" + x + "')" for x in data]))) node2.query("INSERT INTO replicated_table_for_moves VALUES {}".format(','.join(["('" + x + "')" for x in data]))) time.sleep(3) # nothing was moved disks1 = get_used_disks_for_table(node1, "replicated_table_for_moves") disks2 = get_used_disks_for_table(node2, "replicated_table_for_moves") node1.query("SYSTEM START MERGES") node2.query("SYSTEM START MERGES") set(disks1) == set(["jbod1", "external"]) set(disks2) == set(["jbod1", "external"]) finally: for node in [node1, node2]: node.query("DROP TABLE IF EXISTS replicated_table_for_moves") def test_download_appropriate_disk(start_cluster): try: for i, node in enumerate([node1, node2]): node.query(""" CREATE TABLE replicated_table_for_download ( s1 String ) ENGINE = ReplicatedMergeTree('/clickhouse/replicated_table_for_download', '{}') ORDER BY tuple() SETTINGS storage_policy='moving_jbod_with_external', old_parts_lifetime=1, cleanup_delay_period=1, cleanup_delay_period_random_add=2 """.format(i + 1)) data = [] for i in range(50): data.append(get_random_string(1024 * 1024)) # 1MB value node1.query("INSERT INTO replicated_table_for_download VALUES {}".format(','.join(["('" + x + "')" for x in data]))) for _ in range(10): try: print "Syncing replica" node2.query("SYSTEM SYNC REPLICA replicated_table_for_download") break except: time.sleep(0.5) disks2 = get_used_disks_for_table(node2, "replicated_table_for_download") assert set(disks2) == set(["external"]) finally: for node in [node1, node2]: node.query("DROP TABLE IF EXISTS replicated_table_for_download") def test_rename(start_cluster): try: node1.query(""" CREATE TABLE default.renaming_table ( s String ) ENGINE = MergeTree ORDER BY tuple() SETTINGS storage_policy='small_jbod_with_external' """) for _ in range(5): data = [] for i in range(10): data.append(get_random_string(1024 * 1024)) # 1MB value node1.query("INSERT INTO renaming_table VALUES {}".format(','.join(["('" + x + "')" for x in data]))) disks = get_used_disks_for_table(node1, "renaming_table") assert len(disks) > 1 assert node1.query("SELECT COUNT() FROM default.renaming_table") == "50\n" node1.query("RENAME TABLE default.renaming_table TO default.renaming_table1") assert node1.query("SELECT COUNT() FROM default.renaming_table1") == "50\n" with pytest.raises(QueryRuntimeException): node1.query("SELECT COUNT() FROM default.renaming_table") node1.query("CREATE DATABASE IF NOT EXISTS test") node1.query("RENAME TABLE default.renaming_table1 TO test.renaming_table2") assert node1.query("SELECT COUNT() FROM test.renaming_table2") == "50\n" with pytest.raises(QueryRuntimeException): node1.query("SELECT COUNT() FROM default.renaming_table1") finally: node1.query("DROP TABLE IF EXISTS default.renaming_table") node1.query("DROP TABLE IF EXISTS default.renaming_table1") node1.query("DROP TABLE IF EXISTS test.renaming_table2") def test_freeze(start_cluster): try: node1.query(""" CREATE TABLE default.freezing_table ( d Date, s String ) ENGINE = MergeTree ORDER BY tuple() PARTITION BY toYYYYMM(d) SETTINGS storage_policy='small_jbod_with_external' """) for _ in range(5): data = [] dates = [] for i in range(10): data.append(get_random_string(1024 * 1024)) # 1MB value dates.append("toDate('2019-03-05')") node1.query("INSERT INTO freezing_table VALUES {}".format(','.join(["(" + d + ", '" + s + "')" for d, s in zip(dates, data)]))) disks = get_used_disks_for_table(node1, "freezing_table") assert len(disks) > 1 assert node1.query("SELECT COUNT() FROM default.freezing_table") == "50\n" node1.query("ALTER TABLE freezing_table FREEZE PARTITION 201903") # check shadow files (backups) exists node1.exec_in_container(["bash", "-c", "find /jbod1/shadow -name '*.mrk2' | grep '.*'"]) node1.exec_in_container(["bash", "-c", "find /external/shadow -name '*.mrk2' | grep '.*'"]) finally: node1.query("DROP TABLE IF EXISTS default.freezing_table") node1.exec_in_container(["rm", "-rf", "/jbod1/shadow", "/external/shadow"]) def test_kill_while_insert(start_cluster): try: name = "test_kill_while_insert" node1.query(""" CREATE TABLE {name} ( s String ) ENGINE = MergeTree ORDER BY tuple() SETTINGS storage_policy='small_jbod_with_external' """.format(name=name)) data = [] dates = [] for i in range(10): data.append(get_random_string(1024 * 1024)) # 1MB value node1.query("INSERT INTO {name} VALUES {}".format(','.join(["('" + s + "')" for s in data]), name=name)) disks = get_used_disks_for_table(node1, name) assert set(disks) == {"jbod1"} start_time = time.time() long_select = threading.Thread(target=node1.query, args=("SELECT sleep(3) FROM {name}".format(name=name),)) long_select.start() time.sleep(0.5) node1.query("ALTER TABLE {name} MOVE PARTITION tuple() TO DISK 'external'".format(name=name)) assert time.time() - start_time < 2 node1.restart_clickhouse(kill=True) try: long_select.join() except: """""" time.sleep(0.5) assert node1.query("SELECT count() FROM {name}".format(name=name)).splitlines() == ["10"] finally: try: node1.query("DROP TABLE IF EXISTS {name}".format(name=name)) except: """ClickHouse may be inactive at this moment and we don't want to mask a meaningful exception.""" def test_move_while_merge(start_cluster): try: name = "test_move_while_merge" node1.query(""" CREATE TABLE {name} ( n Int64 ) ENGINE = MergeTree ORDER BY sleep(2) SETTINGS storage_policy='small_jbod_with_external' """.format(name=name)) node1.query("INSERT INTO {name} VALUES (1)".format(name=name)) node1.query("INSERT INTO {name} VALUES (2)".format(name=name)) parts = node1.query("SELECT name FROM system.parts WHERE table = '{name}' AND active = 1".format(name=name)).splitlines() assert len(parts) == 2 def optimize(): node1.query("OPTIMIZE TABLE {name}".format(name=name)) optimize = threading.Thread(target=optimize) optimize.start() time.sleep(0.5) with pytest.raises(QueryRuntimeException): node1.query("ALTER TABLE {name} MOVE PART '{part}' TO DISK 'external'".format(name=name, part=parts[0])) exiting = False no_exception = {} def alter(): while not exiting: try: node1.query("ALTER TABLE {name} MOVE PART '{part}' TO DISK 'external'".format(name=name, part=parts[0])) no_exception['missing'] = 'exception' break except QueryRuntimeException: """""" alter_thread = threading.Thread(target=alter) alter_thread.start() optimize.join() time.sleep(0.5) exiting = True alter_thread.join() assert len(no_exception) == 0 assert node1.query("SELECT count() FROM {name}".format(name=name)).splitlines() == ["2"] finally: node1.query("DROP TABLE IF EXISTS {name}".format(name=name))