mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 21:24:28 +00:00
90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
import logging
|
|
import time
|
|
import os
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.mock_servers import start_s3_mock, start_mock_servers
|
|
from helpers.utility import generate_values, replace_config, SafeThread
|
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def cluster():
|
|
try:
|
|
cluster = ClickHouseCluster(__file__)
|
|
cluster.add_instance(
|
|
"node",
|
|
main_configs=[
|
|
"config.d/storage_conf.xml",
|
|
],
|
|
stay_alive=True,
|
|
)
|
|
|
|
logging.info("Starting cluster...")
|
|
cluster.start()
|
|
logging.info("Cluster started")
|
|
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_parallel_cache_loading_on_startup(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
node.query(
|
|
"""
|
|
DROP TABLE IF EXISTS test SYNC;
|
|
|
|
CREATE TABLE test (key UInt32, value String)
|
|
Engine=MergeTree()
|
|
ORDER BY value
|
|
SETTINGS disk = disk(
|
|
type = cache,
|
|
path = 'paralel_loading_test',
|
|
disk = 'hdd_blob',
|
|
max_file_segment_size = '1Ki',
|
|
boundary_alignemt = '1Ki',
|
|
max_size = '1Gi',
|
|
max_elements = 10000000,
|
|
load_metadata_threads = 30);
|
|
|
|
SYSTEM DROP FILESYSTEM CACHE;
|
|
INSERT INTO test SELECT * FROM generateRandom('a Int32, b String') LIMIT 1000000;
|
|
SELECT * FROM test FORMAT Null;
|
|
"""
|
|
)
|
|
assert int(node.query("SELECT count() FROM system.filesystem_cache")) > 0
|
|
assert int(node.query("SELECT max(size) FROM system.filesystem_cache")) == 1024
|
|
count = int(node.query("SELECT count() FROM test"))
|
|
|
|
cache_count = int(
|
|
node.query("SELECT count() FROM system.filesystem_cache WHERE size > 0")
|
|
)
|
|
cache_state = node.query(
|
|
"SELECT key, file_segment_range_begin, size FROM system.filesystem_cache WHERE size > 0 ORDER BY key, file_segment_range_begin, size"
|
|
)
|
|
|
|
node.restart_clickhouse()
|
|
|
|
assert cache_count == int(node.query("SELECT count() FROM system.filesystem_cache"))
|
|
assert cache_state == node.query(
|
|
"SELECT key, file_segment_range_begin, size FROM system.filesystem_cache ORDER BY key, file_segment_range_begin, size"
|
|
)
|
|
|
|
assert node.contains_in_log("Loading filesystem cache with 30 threads")
|
|
assert int(node.query("SELECT count() FROM system.filesystem_cache")) > 0
|
|
assert int(node.query("SELECT max(size) FROM system.filesystem_cache")) == 1024
|
|
assert (
|
|
int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE event = 'FilesystemCacheLoadMetadataMicroseconds'"
|
|
)
|
|
)
|
|
> 0
|
|
)
|
|
node.query("SELECT * FROM test FORMAT Null")
|
|
assert count == int(node.query("SELECT count() FROM test"))
|