mirror of
https://github.com/ClickHouse/ClickHouse.git
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257 lines
13 KiB
Python
257 lines
13 KiB
Python
import random
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import string
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/default_compression.xml', 'configs/wide_parts_only.xml'], with_zookeeper=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/default_compression.xml', 'configs/wide_parts_only.xml'], with_zookeeper=True)
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node3 = cluster.add_instance('node3', main_configs=['configs/default_compression.xml', 'configs/wide_parts_only.xml'], image='yandex/clickhouse-server', tag='20.3.16', stay_alive=True, with_installed_binary=True)
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node4 = cluster.add_instance('node4')
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@pytest.fixture(scope="module")
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def start_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 get_compression_codec_byte(node, table_name, part_name):
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cmd = "tail -c +17 /var/lib/clickhouse/data/default/{}/{}/data1.bin | od -x -N 1 | head -n 1 | awk '{{print $2}}'".format(
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table_name, part_name)
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return node.exec_in_container(["bash", "-c", cmd]).strip()
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def get_second_multiple_codec_byte(node, table_name, part_name):
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cmd = "tail -c +17 /var/lib/clickhouse/data/default/{}/{}/data1.bin | od -x -j 11 -N 1 | head -n 1 | awk '{{print $2}}'".format(
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table_name, part_name)
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return node.exec_in_container(["bash", "-c", cmd]).strip()
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def get_random_string(length):
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return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(length))
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CODECS_MAPPING = {
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'LZ4': '0082',
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'LZ4HC': '0082', # not an error, same byte
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'ZSTD': '0090',
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'Multiple': '0091',
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}
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def test_default_codec_single(start_cluster):
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for i, node in enumerate([node1, node2]):
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node.query("""
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CREATE TABLE compression_table (
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key UInt64,
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data1 String CODEC(Default)
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) ENGINE = ReplicatedMergeTree('/t', '{}') ORDER BY tuple() PARTITION BY key;
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""".format(i))
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# ZSTD(10) and ZSTD(10) after merge
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node1.query("INSERT INTO compression_table VALUES (1, 'x')")
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# ZSTD(10) and LZ4HC(10) after merge
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node1.query("INSERT INTO compression_table VALUES (2, '{}')".format(get_random_string(2048)))
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# ZSTD(10) and LZ4 after merge
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node1.query("INSERT INTO compression_table VALUES (3, '{}')".format(get_random_string(22048)))
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node2.query("SYSTEM SYNC REPLICA compression_table", timeout=15)
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# to reload parts
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node1.query("DETACH TABLE compression_table")
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node2.query("DETACH TABLE compression_table")
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node1.query("ATTACH TABLE compression_table")
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node2.query("ATTACH TABLE compression_table")
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node1.query("SYSTEM FLUSH LOGS")
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node2.query("SYSTEM FLUSH LOGS")
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# Same codec for all
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assert get_compression_codec_byte(node1, "compression_table", "1_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_0_0_0'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table", "2_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_0_0_0'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table", "3_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_0_0_0'") == "ZSTD(10)\n"
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# just to be sure that replication works
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node1.query("OPTIMIZE TABLE compression_table FINAL")
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node2.query("SYSTEM SYNC REPLICA compression_table", timeout=15)
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# to reload parts
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node1.query("DETACH TABLE compression_table")
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node2.query("DETACH TABLE compression_table")
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node1.query("ATTACH TABLE compression_table")
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node2.query("ATTACH TABLE compression_table")
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node1.query("SYSTEM FLUSH LOGS")
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node2.query("SYSTEM FLUSH LOGS")
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assert get_compression_codec_byte(node1, "compression_table", "1_0_0_1") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_0_0_1'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_0_0_1'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table", "2_0_0_1") == CODECS_MAPPING['LZ4HC']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_0_0_1'") == "LZ4HC(5)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_0_0_1'") == "LZ4HC(5)\n"
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assert get_compression_codec_byte(node1, "compression_table", "3_0_0_1") == CODECS_MAPPING['LZ4']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_0_0_1'") == "LZ4\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_0_0_1'") == "LZ4\n"
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assert node1.query("SELECT COUNT() FROM compression_table") == "3\n"
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assert node2.query("SELECT COUNT() FROM compression_table") == "3\n"
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def test_default_codec_multiple(start_cluster):
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for i, node in enumerate([node1, node2]):
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node.query("""
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CREATE TABLE compression_table_multiple (
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key UInt64,
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data1 String CODEC(NONE, Default)
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) ENGINE = ReplicatedMergeTree('/d', '{}') ORDER BY tuple() PARTITION BY key;
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""".format(i), settings={"allow_suspicious_codecs": 1})
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# ZSTD(10) and ZSTD(10) after merge
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node1.query("INSERT INTO compression_table_multiple VALUES (1, 'x')")
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# ZSTD(10) and LZ4HC(10) after merge
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node1.query("INSERT INTO compression_table_multiple VALUES (2, '{}')".format(get_random_string(2048)))
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# ZSTD(10) and LZ4 after merge
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node1.query("INSERT INTO compression_table_multiple VALUES (3, '{}')".format(get_random_string(22048)))
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# Same codec for all
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assert get_compression_codec_byte(node1, "compression_table_multiple", "1_0_0_0") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "1_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '1_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '1_0_0_0'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table_multiple", "2_0_0_0") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "2_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '2_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '2_0_0_0'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table_multiple", "3_0_0_0") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "3_0_0_0") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '3_0_0_0'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '3_0_0_0'") == "ZSTD(10)\n"
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node2.query("SYSTEM SYNC REPLICA compression_table_multiple", timeout=15)
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node1.query("OPTIMIZE TABLE compression_table_multiple FINAL")
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assert get_compression_codec_byte(node1, "compression_table_multiple", "1_0_0_1") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "1_0_0_1") == CODECS_MAPPING['ZSTD']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '1_0_0_1'") == "ZSTD(10)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '1_0_0_1'") == "ZSTD(10)\n"
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assert get_compression_codec_byte(node1, "compression_table_multiple", "2_0_0_1") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "2_0_0_1") == CODECS_MAPPING['LZ4HC']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '2_0_0_1'") == "LZ4HC(5)\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '2_0_0_1'") == "LZ4HC(5)\n"
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assert get_compression_codec_byte(node1, "compression_table_multiple", "3_0_0_1") == CODECS_MAPPING['Multiple']
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assert get_second_multiple_codec_byte(node1, "compression_table_multiple", "3_0_0_1") == CODECS_MAPPING['LZ4']
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assert node1.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '3_0_0_1'") == "LZ4\n"
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assert node2.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table_multiple' and name = '3_0_0_1'") == "LZ4\n"
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assert node1.query("SELECT COUNT() FROM compression_table_multiple") == "3\n"
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assert node2.query("SELECT COUNT() FROM compression_table_multiple") == "3\n"
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def test_default_codec_version_update(start_cluster):
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node3.query("""
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CREATE TABLE compression_table (
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key UInt64 CODEC(LZ4HC(7)),
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data1 String
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) ENGINE = MergeTree ORDER BY tuple() PARTITION BY key;
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""")
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node3.query("INSERT INTO compression_table VALUES (1, 'x')")
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node3.query("INSERT INTO compression_table VALUES (2, '{}')".format(get_random_string(2048)))
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node3.query("INSERT INTO compression_table VALUES (3, '{}')".format(get_random_string(22048)))
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node3.restart_with_latest_version()
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_1_1_0'") == "ZSTD(1)\n"
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_2_2_0'") == "ZSTD(1)\n"
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_3_3_0'") == "ZSTD(1)\n"
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node3.query("OPTIMIZE TABLE compression_table FINAL")
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '1_1_1_1'") == "ZSTD(10)\n"
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '2_2_2_1'") == "LZ4HC(5)\n"
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assert node3.query(
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"SELECT default_compression_codec FROM system.parts WHERE table = 'compression_table' and name = '3_3_3_1'") == "LZ4\n"
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def test_default_codec_for_compact_parts(start_cluster):
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node4.query("""
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CREATE TABLE compact_parts_table (
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key UInt64,
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data String
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)
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ENGINE MergeTree ORDER BY tuple()
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""")
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node4.query("INSERT INTO compact_parts_table VALUES (1, 'Hello world')")
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assert node4.query("SELECT COUNT() FROM compact_parts_table") == "1\n"
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node4.query("ALTER TABLE compact_parts_table DETACH PART 'all_1_1_0'")
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node4.exec_in_container(["bash", "-c", "rm /var/lib/clickhouse/data/default/compact_parts_table/detached/all_1_1_0/default_compression_codec.txt"])
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node4.query("ALTER TABLE compact_parts_table ATTACH PART 'all_1_1_0'")
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assert node4.query("SELECT COUNT() FROM compact_parts_table") == "1\n"
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node4.query("DETACH TABLE compact_parts_table")
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node4.query("ATTACH TABLE compact_parts_table")
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assert node4.query("SELECT COUNT() FROM compact_parts_table") == "1\n"
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