mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
500 lines
21 KiB
Python
500 lines
21 KiB
Python
import logging
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import random
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import string
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import time
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import threading
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import os
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import pytest
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from helpers.cluster import ClickHouseCluster, get_instances_dir
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# By default the exceptions that was throwed in threads will be ignored
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# (they will not mark the test as failed, only printed to stderr).
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#
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# Wrap thrading.Thread and re-throw exception on join()
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class SafeThread(threading.Thread):
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def __init__(self, target):
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super().__init__()
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self.target = target
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self.exception = None
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def run(self):
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try:
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self.target()
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except Exception as e: # pylint: disable=broad-except
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self.exception = e
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def join(self, timeout=None):
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super().join(timeout)
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if self.exception:
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raise self.exception
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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CONFIG_PATH = os.path.join(SCRIPT_DIR, './{}/node/configs/config.d/storage_conf.xml'.format(get_instances_dir()))
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def replace_config(old, new):
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config = open(CONFIG_PATH, 'r')
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config_lines = config.readlines()
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config.close()
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config_lines = [line.replace(old, new) for line in config_lines]
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config = open(CONFIG_PATH, 'w')
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config.writelines(config_lines)
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config.close()
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@pytest.fixture(scope="module")
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def cluster():
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try:
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cluster = ClickHouseCluster(__file__)
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cluster.add_instance("node",
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main_configs=["configs/config.d/storage_conf.xml",
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"configs/config.d/bg_processing_pool_conf.xml"],
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with_minio=True)
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logging.info("Starting cluster...")
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cluster.start()
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logging.info("Cluster started")
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run_s3_mocks(cluster)
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yield cluster
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finally:
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cluster.shutdown()
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FILES_OVERHEAD = 1
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FILES_OVERHEAD_PER_COLUMN = 2 # Data and mark files
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FILES_OVERHEAD_PER_PART_WIDE = FILES_OVERHEAD_PER_COLUMN * 3 + 2 + 6 + 1
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FILES_OVERHEAD_PER_PART_COMPACT = 10 + 1
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def random_string(length):
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letters = string.ascii_letters
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return ''.join(random.choice(letters) for i in range(length))
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def generate_values(date_str, count, sign=1):
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data = [[date_str, sign * (i + 1), random_string(10)] for i in range(count)]
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data.sort(key=lambda tup: tup[1])
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return ",".join(["('{}',{},'{}')".format(x, y, z) for x, y, z in data])
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def create_table(node, table_name, **additional_settings):
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settings = {
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"storage_policy": "s3",
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"old_parts_lifetime": 0,
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"index_granularity": 512
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}
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settings.update(additional_settings)
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create_table_statement = f"""
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CREATE TABLE {table_name} (
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dt Date,
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id Int64,
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data String,
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INDEX min_max (id) TYPE minmax GRANULARITY 3
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) ENGINE=MergeTree()
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PARTITION BY dt
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ORDER BY (dt, id)
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SETTINGS {",".join((k+"="+repr(v) for k, v in settings.items()))}"""
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node.query(f"DROP TABLE IF EXISTS {table_name}")
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node.query(create_table_statement)
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def run_s3_mocks(cluster):
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logging.info("Starting s3 mocks")
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mocks = (
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("unstable_proxy.py", "resolver", "8081"),
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)
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for mock_filename, container, port in mocks:
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container_id = cluster.get_container_id(container)
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current_dir = os.path.dirname(__file__)
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cluster.copy_file_to_container(container_id, os.path.join(current_dir, "s3_mocks", mock_filename), mock_filename)
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cluster.exec_in_container(container_id, ["python", mock_filename, port], detach=True)
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# Wait for S3 mocks to start
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for mock_filename, container, port in mocks:
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num_attempts = 100
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for attempt in range(num_attempts):
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ping_response = cluster.exec_in_container(cluster.get_container_id(container),
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["curl", "-s", f"http://localhost:{port}/"], nothrow=True)
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if ping_response != "OK":
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if attempt == num_attempts - 1:
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assert ping_response == "OK", f'Expected "OK", but got "{ping_response}"'
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else:
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time.sleep(1)
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else:
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logging.debug(f"mock {mock_filename} ({port}) answered {ping_response} on attempt {attempt}")
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break
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logging.info("S3 mocks started")
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def wait_for_delete_s3_objects(cluster, expected, timeout=30):
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minio = cluster.minio_client
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while timeout > 0:
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if len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == expected:
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return
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timeout -= 1
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time.sleep(1)
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assert(len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == expected)
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@pytest.fixture(autouse=True)
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@pytest.mark.parametrize("node_name", ["node"])
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def drop_table(cluster, node_name):
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yield
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node = cluster.instances[node_name]
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minio = cluster.minio_client
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node.query("DROP TABLE IF EXISTS s3_test NO DELAY")
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try:
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wait_for_delete_s3_objects(cluster, 0)
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finally:
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# Remove extra objects to prevent tests cascade failing
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for obj in list(minio.list_objects(cluster.minio_bucket, 'data/')):
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minio.remove_object(cluster.minio_bucket, obj.object_name)
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@pytest.mark.parametrize(
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"min_rows_for_wide_part,files_per_part,node_name",
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[
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(0, FILES_OVERHEAD_PER_PART_WIDE, "node"),
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(8192, FILES_OVERHEAD_PER_PART_COMPACT, "node")
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]
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)
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def test_simple_insert_select(cluster, min_rows_for_wide_part, files_per_part, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test", min_rows_for_wide_part=min_rows_for_wide_part)
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minio = cluster.minio_client
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values1 = generate_values('2020-01-03', 4096)
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node.query("INSERT INTO s3_test VALUES {}".format(values1))
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assert node.query("SELECT * FROM s3_test order by dt, id FORMAT Values") == values1
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + files_per_part
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values2 = generate_values('2020-01-04', 4096)
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node.query("INSERT INTO s3_test VALUES {}".format(values2))
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assert node.query("SELECT * FROM s3_test ORDER BY dt, id FORMAT Values") == values1 + "," + values2
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + files_per_part * 2
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assert node.query("SELECT count(*) FROM s3_test where id = 1 FORMAT Values") == "(2)"
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@pytest.mark.parametrize(
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"merge_vertical,node_name", [
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(True, "node"),
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(False, "node")
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])
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def test_insert_same_partition_and_merge(cluster, merge_vertical, node_name):
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settings = {}
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if merge_vertical:
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settings['vertical_merge_algorithm_min_rows_to_activate'] = 0
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settings['vertical_merge_algorithm_min_columns_to_activate'] = 0
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node = cluster.instances[node_name]
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create_table(node, "s3_test", **settings)
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minio = cluster.minio_client
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node.query("SYSTEM STOP MERGES s3_test")
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 1024)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 2048)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 1024, -1)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 2048, -1)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096, -1)))
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD_PER_PART_WIDE * 6 + FILES_OVERHEAD
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node.query("SYSTEM START MERGES s3_test")
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# Wait for merges and old parts deletion
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for attempt in range(0, 10):
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parts_count = node.query("SELECT COUNT(*) FROM system.parts WHERE table = 's3_test' FORMAT Values")
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if parts_count == "(1)":
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break
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if attempt == 9:
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assert parts_count == "(1)"
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time.sleep(1)
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)"
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wait_for_delete_s3_objects(cluster, FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD)
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@pytest.mark.parametrize("node_name", ["node"])
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def test_alter_table_columns(cluster, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test")
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minio = cluster.minio_client
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096, -1)))
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node.query("ALTER TABLE s3_test ADD COLUMN col1 UInt64 DEFAULT 1")
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# To ensure parts have merged
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node.query("OPTIMIZE TABLE s3_test")
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assert node.query("SELECT sum(col1) FROM s3_test FORMAT Values") == "(8192)"
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assert node.query("SELECT sum(col1) FROM s3_test WHERE id > 0 FORMAT Values") == "(4096)"
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wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN)
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node.query("ALTER TABLE s3_test MODIFY COLUMN col1 String", settings={"mutations_sync": 2})
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assert node.query("SELECT distinct(col1) FROM s3_test FORMAT Values") == "('1')"
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# and file with mutation
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wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN + 1)
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node.query("ALTER TABLE s3_test DROP COLUMN col1", settings={"mutations_sync": 2})
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# and 2 files with mutations
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wait_for_delete_s3_objects(cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + 2)
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@pytest.mark.parametrize("node_name", ["node"])
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def test_attach_detach_partition(cluster, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test")
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minio = cluster.minio_client
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096)))
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-03'")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("ALTER TABLE s3_test ATTACH PARTITION '2020-01-03'")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("ALTER TABLE s3_test DROP PARTITION '2020-01-03'")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)"
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE
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node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-04'")
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node.query("ALTER TABLE s3_test DROP DETACHED PARTITION '2020-01-04'", settings={"allow_drop_detached": 1})
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)"
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD
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@pytest.mark.parametrize("node_name", ["node"])
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def test_move_partition_to_another_disk(cluster, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test")
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minio = cluster.minio_client
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096)))
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 'hdd'")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE
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node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 's3'")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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@pytest.mark.parametrize("node_name", ["node"])
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def test_table_manipulations(cluster, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test")
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minio = cluster.minio_client
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096)))
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node.query("RENAME TABLE s3_test TO s3_renamed")
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assert node.query("SELECT count(*) FROM s3_renamed FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("RENAME TABLE s3_renamed TO s3_test")
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assert node.query("CHECK TABLE s3_test FORMAT Values") == "(1)"
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node.query("DETACH TABLE s3_test")
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node.query("ATTACH TABLE s3_test")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
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node.query("TRUNCATE TABLE s3_test")
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)"
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assert len(list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD
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@pytest.mark.parametrize("node_name", ["node"])
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def test_move_replace_partition_to_another_table(cluster, node_name):
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node = cluster.instances[node_name]
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create_table(node, "s3_test")
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minio = cluster.minio_client
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 4096, -1)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-06', 4096, -1)))
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4
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create_table(node, "s3_clone")
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node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-03' TO TABLE s3_clone")
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node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-05' TO TABLE s3_clone")
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
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assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)"
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# Number of objects in S3 should be unchanged.
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assert len(list(
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minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4
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# Add new partitions to source table, but with different values and replace them from copied table.
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096, -1)))
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node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 4096)))
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
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assert len(list(
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minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 6
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node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-03' FROM s3_clone")
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node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-05' FROM s3_clone")
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
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assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)"
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# Wait for outdated partitions deletion.
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wait_for_delete_s3_objects(cluster, FILES_OVERHEAD * 2 + FILES_OVERHEAD_PER_PART_WIDE * 4)
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node.query("DROP TABLE s3_clone NO DELAY")
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assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
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assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
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# Data should remain in S3
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4
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node.query("ALTER TABLE s3_test FREEZE")
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# Number S3 objects should be unchanged.
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assert len(
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list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4
|
|
|
|
node.query("DROP TABLE s3_test NO DELAY")
|
|
# Backup data should remain in S3.
|
|
|
|
wait_for_delete_s3_objects(cluster, FILES_OVERHEAD_PER_PART_WIDE * 4)
|
|
|
|
for obj in list(minio.list_objects(cluster.minio_bucket, 'data/')):
|
|
minio.remove_object(cluster.minio_bucket, obj.object_name)
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_freeze_unfreeze(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
create_table(node, "s3_test")
|
|
minio = cluster.minio_client
|
|
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
|
|
node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup1'")
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096)))
|
|
node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup2'")
|
|
|
|
node.query("TRUNCATE TABLE s3_test")
|
|
assert len(
|
|
list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
|
|
|
|
# Unfreeze single partition from backup1.
|
|
node.query("ALTER TABLE s3_test UNFREEZE PARTITION '2020-01-03' WITH NAME 'backup1'")
|
|
# Unfreeze all partitions from backup2.
|
|
node.query("ALTER TABLE s3_test UNFREEZE WITH NAME 'backup2'")
|
|
|
|
# Data should be removed from S3.
|
|
assert len(
|
|
list(minio.list_objects(cluster.minio_bucket, 'data/'))) == FILES_OVERHEAD
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_s3_disk_apply_new_settings(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
create_table(node, "s3_test")
|
|
|
|
def get_s3_requests():
|
|
node.query("SYSTEM FLUSH LOGS")
|
|
return int(node.query("SELECT value FROM system.events WHERE event='S3WriteRequestsCount'"))
|
|
|
|
s3_requests_before = get_s3_requests()
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-03', 4096)))
|
|
s3_requests_to_write_partition = get_s3_requests() - s3_requests_before
|
|
|
|
# Force multi-part upload mode.
|
|
replace_config("<s3_max_single_part_upload_size>33554432</s3_max_single_part_upload_size>",
|
|
"<s3_max_single_part_upload_size>0</s3_max_single_part_upload_size>")
|
|
|
|
node.query("SYSTEM RELOAD CONFIG")
|
|
|
|
s3_requests_before = get_s3_requests()
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 4096, -1)))
|
|
|
|
# There should be 3 times more S3 requests because multi-part upload mode uses 3 requests to upload object.
|
|
assert get_s3_requests() - s3_requests_before == s3_requests_to_write_partition * 3
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_s3_disk_restart_during_load(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
create_table(node, "s3_test")
|
|
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-04', 1024 * 1024)))
|
|
node.query("INSERT INTO s3_test VALUES {}".format(generate_values('2020-01-05', 1024 * 1024, -1)))
|
|
|
|
def read():
|
|
for ii in range(0, 20):
|
|
logging.info("Executing %d query", ii)
|
|
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
|
|
logging.info("Query %d executed", ii)
|
|
time.sleep(0.2)
|
|
|
|
def restart_disk():
|
|
for iii in range(0, 5):
|
|
logging.info("Restarting disk, attempt %d", iii)
|
|
node.query("SYSTEM RESTART DISK s3")
|
|
logging.info("Disk restarted, attempt %d", iii)
|
|
time.sleep(0.5)
|
|
|
|
threads = []
|
|
for i in range(0, 4):
|
|
threads.append(SafeThread(target=read))
|
|
|
|
threads.append(SafeThread(target=restart_disk))
|
|
|
|
for thread in threads:
|
|
thread.start()
|
|
|
|
for thread in threads:
|
|
thread.join()
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_s3_disk_reads_on_unstable_connection(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
create_table(node, "s3_test", storage_policy='unstable_s3')
|
|
node.query("INSERT INTO s3_test SELECT today(), *, toString(*) FROM system.numbers LIMIT 9000000")
|
|
for i in range(30):
|
|
print(f"Read sequence {i}")
|
|
assert node.query("SELECT sum(id) FROM s3_test").splitlines() == ["40499995500000"]
|