ClickHouse/tests/integration/test_polymorphic_parts/test.py
2020-09-02 17:36:25 +03:00

484 lines
22 KiB
Python

import time
import pytest
import random
import string
import os
import struct
from helpers.test_tools import TSV
from helpers.test_tools import assert_eq_with_retry
from helpers.cluster import ClickHouseCluster
from helpers.network import PartitionManager
from multiprocessing.dummy import Pool
cluster = ClickHouseCluster(__file__)
def get_random_array():
return [random.randint(0, 1000) % 1000 for _ in range(random.randint(0, 1000))]
def get_random_string():
length = random.randint(0, 1000)
return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(length))
def insert_random_data(table, node, size):
data = [
'(' + ','.join((
"'2019-10-11'",
str(i),
"'" + get_random_string() + "'",
str(get_random_array()))) +
')' for i in range(size)
]
node.query("INSERT INTO {} VALUES {}".format(table, ','.join(data)))
def create_tables(name, nodes, node_settings, shard):
for i, (node, settings) in enumerate(zip(nodes, node_settings)):
node.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/{name}', '{repl}')
PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = 64, index_granularity_bytes = {index_granularity_bytes},
min_rows_for_wide_part = {min_rows_for_wide_part}, min_rows_for_compact_part = {min_rows_for_compact_part},
in_memory_parts_enable_wal = 1
'''.format(name=name, shard=shard, repl=i, **settings))
def create_tables_old_format(name, nodes, shard):
for i, node in enumerate(nodes):
node.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/{name}', '{repl}', date, id, 64)
'''.format(name=name, shard=shard, repl=i))
node1 = cluster.add_instance('node1', config_dir="configs", with_zookeeper=True)
node2 = cluster.add_instance('node2', config_dir="configs", with_zookeeper=True)
settings_default = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_rows_for_compact_part' : 0}
settings_compact_only = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 1000000, 'min_rows_for_compact_part' : 0}
settings_not_adaptive = {'index_granularity_bytes' : 0, 'min_rows_for_wide_part' : 512, 'min_rows_for_compact_part' : 0}
node3 = cluster.add_instance('node3', config_dir="configs", with_zookeeper=True)
node4 = cluster.add_instance('node4', config_dir="configs", main_configs=['configs/no_leader.xml'], with_zookeeper=True)
settings_compact = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_rows_for_compact_part' : 0}
settings_wide = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 0, 'min_rows_for_compact_part' : 0}
node5 = cluster.add_instance('node5', config_dir='configs', main_configs=['configs/compact_parts.xml'], with_zookeeper=True)
node6 = cluster.add_instance('node6', config_dir='configs', main_configs=['configs/compact_parts.xml'], with_zookeeper=True)
settings_in_memory = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_rows_for_compact_part' : 256}
node9 = cluster.add_instance('node9', config_dir="configs", with_zookeeper=True, stay_alive=True)
node10 = cluster.add_instance('node10', config_dir="configs", with_zookeeper=True)
node11 = cluster.add_instance('node11', config_dir="configs", main_configs=['configs/do_not_merge.xml'], with_zookeeper=True, stay_alive=True)
node12 = cluster.add_instance('node12', config_dir="configs", main_configs=['configs/do_not_merge.xml'], with_zookeeper=True, stay_alive=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
create_tables('polymorphic_table', [node1, node2], [settings_default, settings_default], "shard1")
create_tables('compact_parts_only', [node1, node2], [settings_compact_only, settings_compact_only], "shard1")
create_tables('non_adaptive_table', [node1, node2], [settings_not_adaptive, settings_not_adaptive], "shard1")
create_tables('polymorphic_table_compact', [node3, node4], [settings_compact, settings_wide], "shard2")
create_tables('polymorphic_table_wide', [node3, node4], [settings_wide, settings_compact], "shard2")
create_tables_old_format('polymorphic_table', [node5, node6], "shard3")
create_tables('in_memory_table', [node9, node10], [settings_in_memory, settings_in_memory], "shard4")
create_tables('wal_table', [node11, node12], [settings_in_memory, settings_in_memory], "shard4")
create_tables('restore_table', [node11, node12], [settings_in_memory, settings_in_memory], "shard5")
create_tables('deduplication_table', [node9, node10], [settings_in_memory, settings_in_memory], "shard5")
create_tables('sync_table', [node9, node10], [settings_in_memory, settings_in_memory], "shard5")
create_tables('alters_table', [node9, node10], [settings_in_memory, settings_in_memory], "shard5")
yield cluster
finally:
cluster.shutdown()
@pytest.mark.parametrize(
('first_node', 'second_node'),
[
(node1, node2), # compact parts
(node5, node6), # compact parts, old-format
]
)
def test_polymorphic_parts_basics(start_cluster, first_node, second_node):
first_node.query("SYSTEM STOP MERGES")
second_node.query("SYSTEM STOP MERGES")
for size in [300, 300, 600]:
insert_random_data('polymorphic_table', first_node, size)
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
assert first_node.query("SELECT count() FROM polymorphic_table") == "1200\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "1200\n"
expected = "Compact\t2\nWide\t1\n"
assert TSV(first_node.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'polymorphic_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
assert TSV(second_node.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'polymorphic_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
first_node.query("SYSTEM START MERGES")
second_node.query("SYSTEM START MERGES")
for _ in range(40):
insert_random_data('polymorphic_table', first_node, 10)
insert_random_data('polymorphic_table', second_node, 10)
first_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
assert first_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
first_node.query("OPTIMIZE TABLE polymorphic_table FINAL")
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
assert first_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
assert first_node.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' AND active") == "Wide\n"
assert second_node.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' AND active") == "Wide\n"
# Check alters and mutations also work
first_node.query("ALTER TABLE polymorphic_table ADD COLUMN ss String")
first_node.query("ALTER TABLE polymorphic_table UPDATE ss = toString(id) WHERE 1")
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
first_node.query("SELECT count(ss) FROM polymorphic_table") == "2000\n"
first_node.query("SELECT uniqExact(ss) FROM polymorphic_table") == "600\n"
second_node.query("SELECT count(ss) FROM polymorphic_table") == "2000\n"
second_node.query("SELECT uniqExact(ss) FROM polymorphic_table") == "600\n"
# Checks mostly that merge from compact part to compact part works.
def test_compact_parts_only(start_cluster):
for i in range(20):
insert_random_data('compact_parts_only', node1, 100)
insert_random_data('compact_parts_only', node2, 100)
node1.query("SYSTEM SYNC REPLICA compact_parts_only", timeout=20)
node2.query("SYSTEM SYNC REPLICA compact_parts_only", timeout=20)
assert node1.query("SELECT count() FROM compact_parts_only") == "4000\n"
assert node2.query("SELECT count() FROM compact_parts_only") == "4000\n"
assert node1.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'compact_parts_only' AND active") == "Compact\n"
assert node2.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'compact_parts_only' AND active") == "Compact\n"
node1.query("OPTIMIZE TABLE compact_parts_only FINAL")
node2.query("SYSTEM SYNC REPLICA compact_parts_only", timeout=20)
assert node2.query("SELECT count() FROM compact_parts_only") == "4000\n"
expected = "Compact\t1\n"
assert TSV(node1.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'compact_parts_only' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
assert TSV(node2.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'compact_parts_only' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
# Check that follower replicas create parts of the same type, which leader has chosen at merge.
@pytest.mark.parametrize(
('table', 'part_type'),
[
('polymorphic_table_compact', 'Compact'),
('polymorphic_table_wide', 'Wide')
]
)
def test_different_part_types_on_replicas(start_cluster, table, part_type):
leader = node3
follower = node4
assert leader.query("SELECT is_leader FROM system.replicas WHERE table = '{}'".format(table)) == "1\n"
assert node4.query("SELECT is_leader FROM system.replicas WHERE table = '{}'".format(table)) == "0\n"
for _ in range(3):
insert_random_data(table, leader, 100)
leader.query("OPTIMIZE TABLE {} FINAL".format(table))
follower.query("SYSTEM SYNC REPLICA {}".format(table), timeout=20)
expected = "{}\t1\n".format(part_type)
assert TSV(leader.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = '{}' AND active GROUP BY part_type ORDER BY part_type".format(table))) == TSV(expected)
assert TSV(follower.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = '{}' AND active GROUP BY part_type ORDER BY part_type".format(table))) == TSV(expected)
node7 = cluster.add_instance('node7', config_dir="configs_old", with_zookeeper=True, image='yandex/clickhouse-server', tag='19.17.8.54', stay_alive=True, with_installed_binary=True)
node8 = cluster.add_instance('node8', config_dir="configs", with_zookeeper=True)
settings7 = {'index_granularity_bytes' : 10485760}
settings8 = {'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_rows_for_compact_part' : 0}
@pytest.fixture(scope="module")
def start_cluster_diff_versions():
try:
for name in ['polymorphic_table', 'polymorphic_table_2']:
cluster.start()
node7.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/shard5/{name}', '1')
PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = 64, index_granularity_bytes = {index_granularity_bytes}
'''.format(name=name, **settings7)
)
node8.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/shard5/{name}', '2')
PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = 64, index_granularity_bytes = {index_granularity_bytes},
min_rows_for_wide_part = {min_rows_for_wide_part}, min_bytes_for_wide_part = {min_bytes_for_wide_part}
'''.format(name=name, **settings8)
)
yield cluster
finally:
cluster.shutdown()
@pytest.mark.skip(reason="compatability is temporary broken")
def test_polymorphic_parts_diff_versions(start_cluster_diff_versions):
# Check that replication with Wide parts works between different versions.
node_old = node7
node_new = node8
insert_random_data('polymorphic_table', node7, 100)
node8.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
assert node8.query("SELECT count() FROM polymorphic_table") == "100\n"
assert node8.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' and active") == "Wide\n"
@pytest.mark.skip(reason="compatability is temporary broken")
def test_polymorphic_parts_diff_versions_2(start_cluster_diff_versions):
# Replication doesn't work on old version if part is created in compact format, because
# this version doesn't know anything about it. It's considered to be ok.
node_old = node7
node_new = node8
insert_random_data('polymorphic_table_2', node_new, 100)
assert node_new.query("SELECT count() FROM polymorphic_table_2") == "100\n"
assert node_old.query("SELECT count() FROM polymorphic_table_2") == "0\n"
with pytest.raises(Exception):
node_old.query("SYSTEM SYNC REPLICA polymorphic_table_2", timeout=3)
node_old.restart_with_latest_version()
node_old.query("SYSTEM SYNC REPLICA polymorphic_table_2", timeout=20)
# Works after update
assert node_old.query("SELECT count() FROM polymorphic_table_2") == "100\n"
assert node_old.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table_2' and active") == "Compact\n"
def test_polymorphic_parts_non_adaptive(start_cluster):
node1.query("SYSTEM STOP MERGES")
node2.query("SYSTEM STOP MERGES")
insert_random_data('non_adaptive_table', node1, 100)
node2.query("SYSTEM SYNC REPLICA non_adaptive_table", timeout=20)
insert_random_data('non_adaptive_table', node2, 100)
node1.query("SYSTEM SYNC REPLICA non_adaptive_table", timeout=20)
assert TSV(node1.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'non_adaptive_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t2\n")
assert TSV(node2.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'non_adaptive_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t2\n")
assert node1.contains_in_log("<Warning> default.non_adaptive_table: Table can't create parts with adaptive granularity")
def test_in_memory(start_cluster):
node9.query("SYSTEM STOP MERGES")
node10.query("SYSTEM STOP MERGES")
for size in [200, 200, 300, 600]:
insert_random_data('in_memory_table', node9, size)
node10.query("SYSTEM SYNC REPLICA in_memory_table", timeout=20)
assert node9.query("SELECT count() FROM in_memory_table") == "1300\n"
assert node10.query("SELECT count() FROM in_memory_table") == "1300\n"
expected = "Compact\t1\nInMemory\t2\nWide\t1\n"
assert TSV(node9.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'in_memory_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
assert TSV(node10.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'in_memory_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
node9.query("SYSTEM START MERGES")
node10.query("SYSTEM START MERGES")
assert_eq_with_retry(node9, "OPTIMIZE TABLE in_memory_table FINAL SETTINGS optimize_throw_if_noop = 1", "")
node10.query("SYSTEM SYNC REPLICA in_memory_table", timeout=20)
assert node9.query("SELECT count() FROM in_memory_table") == "1300\n"
assert node10.query("SELECT count() FROM in_memory_table") == "1300\n"
assert TSV(node9.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'in_memory_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t1\n")
assert TSV(node10.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'in_memory_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t1\n")
def test_in_memory_wal(start_cluster):
# Merges are disabled in config
for i in range(5):
insert_random_data('wal_table', node11, 50)
node12.query("SYSTEM SYNC REPLICA wal_table", timeout=20)
def check(node, rows, parts):
node.query("SELECT count() FROM wal_table") == "{}\n".format(rows)
node.query("SELECT count() FROM system.parts WHERE table = 'wal_table' AND part_type = 'InMemory'") == "{}\n".format(parts)
check(node11, 250, 5)
check(node12, 250, 5)
# WAL works at inserts
node11.restart_clickhouse(kill=True)
check(node11, 250, 5)
# WAL works at fetches
node12.restart_clickhouse(kill=True)
check(node12, 250, 5)
insert_random_data('wal_table', node11, 50)
node12.query("SYSTEM SYNC REPLICA wal_table", timeout=20)
# Disable replication
with PartitionManager() as pm:
pm.partition_instances(node11, node12)
check(node11, 300, 6)
wal_file = os.path.join(node11.path, "database/data/default/wal_table/wal.bin")
# Corrupt wal file
open(wal_file, 'rw+').truncate(os.path.getsize(wal_file) - 10)
node11.restart_clickhouse(kill=True)
# Broken part is lost, but other restored successfully
check(node11, 250, 5)
# WAL with blocks from 0 to 4
broken_wal_file = os.path.join(node11.path, "database/data/default/wal_table/wal_0_4.bin")
assert os.path.exists(broken_wal_file)
# Fetch lost part from replica
node11.query("SYSTEM SYNC REPLICA wal_table", timeout=20)
check(node11, 300, 6)
#Check that new data is written to new wal, but old is still exists for restoring
assert os.path.getsize(wal_file) > 0
assert os.path.exists(broken_wal_file)
# Data is lost without WAL
node11.query("ALTER TABLE wal_table MODIFY SETTING in_memory_parts_enable_wal = 0")
with PartitionManager() as pm:
pm.partition_instances(node11, node12)
insert_random_data('wal_table', node11, 50)
check(node11, 350, 7)
node11.restart_clickhouse(kill=True)
check(node11, 300, 6)
def test_in_memory_wal_rotate(start_cluster):
# Write every part to single wal
node11.query("ALTER TABLE restore_table MODIFY SETTING write_ahead_log_max_bytes = 10")
for i in range(5):
insert_random_data('restore_table', node11, 50)
for i in range(5):
wal_file = os.path.join(node11.path, "database/data/default/restore_table/wal_{0}_{0}.bin".format(i))
assert os.path.exists(wal_file)
for node in [node11, node12]:
node.query("ALTER TABLE restore_table MODIFY SETTING number_of_free_entries_in_pool_to_lower_max_size_of_merge = 0")
node.query("ALTER TABLE restore_table MODIFY SETTING max_bytes_to_merge_at_max_space_in_pool = 10000000")
assert_eq_with_retry(node11, "OPTIMIZE TABLE restore_table FINAL SETTINGS optimize_throw_if_noop = 1", "")
# Restart to be sure, that clearing stale logs task was ran
node11.restart_clickhouse(kill=True)
for i in range(5):
wal_file = os.path.join(node11.path, "database/data/default/restore_table/wal_{0}_{0}.bin".format(i))
assert not os.path.exists(wal_file)
# New wal file was created and ready to write part to it
wal_file = os.path.join(node11.path, "database/data/default/restore_table/wal.bin")
assert os.path.exists(wal_file)
assert os.path.getsize(wal_file) == 0
def test_in_memory_deduplication(start_cluster):
for i in range(3):
node9.query("INSERT INTO deduplication_table (date, id, s) VALUES (toDate('2020-03-03'), 1, 'foo')")
node10.query("INSERT INTO deduplication_table (date, id, s) VALUES (toDate('2020-03-03'), 1, 'foo')")
node9.query("SYSTEM SYNC REPLICA deduplication_table", timeout=20)
node10.query("SYSTEM SYNC REPLICA deduplication_table", timeout=20)
assert node9.query("SELECT date, id, s FROM deduplication_table") == "2020-03-03\t1\tfoo\n"
assert node10.query("SELECT date, id, s FROM deduplication_table") == "2020-03-03\t1\tfoo\n"
# Checks that restoring from WAL works after table schema changed
def test_in_memory_alters(start_cluster):
def check_parts_type(parts_num):
assert node9.query("SELECT part_type, count() FROM system.parts WHERE table = 'alters_table' \
AND active GROUP BY part_type") == "InMemory\t{}\n".format(parts_num)
node9.query("INSERT INTO alters_table (date, id, s) VALUES (toDate('2020-10-10'), 1, 'ab'), (toDate('2020-10-10'), 2, 'cd')")
node9.query("ALTER TABLE alters_table ADD COLUMN col1 UInt32")
node9.restart_clickhouse(kill=True)
expected = "1\tab\t0\n2\tcd\t0\n"
assert node9.query("SELECT id, s, col1 FROM alters_table") == expected
check_parts_type(1)
node9.query("INSERT INTO alters_table (date, id, col1) VALUES (toDate('2020-10-10'), 3, 100)")
node9.query("ALTER TABLE alters_table MODIFY COLUMN col1 String")
node9.query("ALTER TABLE alters_table DROP COLUMN s")
node9.restart_clickhouse(kill=True)
check_parts_type(2)
with pytest.raises(Exception):
node9.query("SELECT id, s, col1 FROM alters_table")
expected = expected = "1\t0_foo\n2\t0_foo\n3\t100_foo\n"
assert node9.query("SELECT id, col1 || '_foo' FROM alters_table")
def test_polymorphic_parts_index(start_cluster):
node1.query('''
CREATE TABLE index_compact(a UInt32, s String)
ENGINE = MergeTree ORDER BY a
SETTINGS min_rows_for_wide_part = 1000, index_granularity = 128, merge_max_block_size = 100''')
node1.query("INSERT INTO index_compact SELECT number, toString(number) FROM numbers(100)")
node1.query("INSERT INTO index_compact SELECT number, toString(number) FROM numbers(30)")
node1.query("OPTIMIZE TABLE index_compact FINAL")
assert node1.query("SELECT part_type FROM system.parts WHERE table = 'index_compact' AND active") == "Compact\n"
assert node1.query("SELECT marks FROM system.parts WHERE table = 'index_compact' AND active") == "2\n"
index_path = os.path.join(node1.path, "database/data/default/index_compact/all_1_2_1/primary.idx")
f = open(index_path, 'rb')
assert os.path.getsize(index_path) == 8
assert struct.unpack('I', f.read(4))[0] == 0
assert struct.unpack('I', f.read(4))[0] == 99