mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 21:42:39 +00:00
561 lines
17 KiB
Python
561 lines
17 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",
|
|
],
|
|
user_configs=[
|
|
"users.d/cache_on_write_operations.xml",
|
|
],
|
|
stay_alive=True,
|
|
)
|
|
cluster.add_instance(
|
|
"node_caches_with_same_path",
|
|
main_configs=[
|
|
"config.d/storage_conf_2.xml",
|
|
],
|
|
)
|
|
cluster.add_instance(
|
|
"node_no_filesystem_caches_path",
|
|
main_configs=[
|
|
"config.d/storage_conf.xml",
|
|
"config.d/remove_filesystem_caches_path.xml",
|
|
],
|
|
stay_alive=True,
|
|
)
|
|
cluster.add_instance(
|
|
"node_force_read_through_cache_on_merge",
|
|
main_configs=[
|
|
"config.d/storage_conf.xml",
|
|
"config.d/force_read_through_cache_for_merges.xml",
|
|
],
|
|
user_configs=[
|
|
"users.d/cache_on_write_operations.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_alignment = '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"
|
|
)
|
|
keys = (
|
|
node.query(
|
|
"SELECT distinct(key) FROM system.filesystem_cache WHERE size > 0 ORDER BY key, file_segment_range_begin, size"
|
|
)
|
|
.strip()
|
|
.splitlines()
|
|
)
|
|
|
|
node.restart_clickhouse()
|
|
|
|
# < because of additional files loaded into cache on server startup.
|
|
assert cache_count <= int(node.query("SELECT count() FROM system.filesystem_cache"))
|
|
keys_set = ",".join(["'" + x + "'" for x in keys])
|
|
assert cache_state == node.query(
|
|
f"SELECT key, file_segment_range_begin, size FROM system.filesystem_cache WHERE key in ({keys_set}) 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"))
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node"])
|
|
def test_caches_with_the_same_configuration(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
cache_path = "cache1"
|
|
|
|
node.query(f"SYSTEM DROP FILESYSTEM CACHE;")
|
|
for table in ["test", "test2"]:
|
|
node.query(
|
|
f"""
|
|
DROP TABLE IF EXISTS {table} SYNC;
|
|
|
|
CREATE TABLE {table} (key UInt32, value String)
|
|
Engine=MergeTree()
|
|
ORDER BY value
|
|
SETTINGS disk = disk(
|
|
type = cache,
|
|
name = {table},
|
|
path = '{cache_path}',
|
|
disk = 'hdd_blob',
|
|
max_file_segment_size = '1Ki',
|
|
boundary_alignment = '1Ki',
|
|
cache_on_write_operations=1,
|
|
max_size = '1Mi');
|
|
|
|
SET enable_filesystem_cache_on_write_operations=1;
|
|
INSERT INTO {table} SELECT * FROM generateRandom('a Int32, b String')
|
|
LIMIT 1000;
|
|
"""
|
|
)
|
|
|
|
size = int(
|
|
node.query(
|
|
"SELECT value FROM system.metrics WHERE name = 'FilesystemCacheSize'"
|
|
)
|
|
)
|
|
assert (
|
|
node.query(
|
|
"SELECT cache_name, sum(size) FROM system.filesystem_cache GROUP BY cache_name ORDER BY cache_name"
|
|
).strip()
|
|
== f"test\t{size}\ntest2\t{size}"
|
|
)
|
|
|
|
table = "test3"
|
|
assert (
|
|
"Found more than one cache configuration with the same path, but with different cache settings"
|
|
in node.query_and_get_error(
|
|
f"""
|
|
DROP TABLE IF EXISTS {table} SYNC;
|
|
|
|
CREATE TABLE {table} (key UInt32, value String)
|
|
Engine=MergeTree()
|
|
ORDER BY value
|
|
SETTINGS disk = disk(
|
|
type = cache,
|
|
name = {table},
|
|
path = '{cache_path}',
|
|
disk = 'hdd_blob',
|
|
max_file_segment_size = '1Ki',
|
|
boundary_alignment = '1Ki',
|
|
cache_on_write_operations=0,
|
|
max_size = '2Mi');
|
|
"""
|
|
)
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize("node_name", ["node_caches_with_same_path"])
|
|
def test_caches_with_the_same_configuration_2(cluster, node_name):
|
|
node = cluster.instances[node_name]
|
|
cache_path = "cache1"
|
|
|
|
node.query(f"SYSTEM DROP FILESYSTEM CACHE;")
|
|
for table in ["cache1", "cache2"]:
|
|
node.query(
|
|
f"""
|
|
DROP TABLE IF EXISTS {table} SYNC;
|
|
|
|
CREATE TABLE {table} (key UInt32, value String)
|
|
Engine=MergeTree()
|
|
ORDER BY value
|
|
SETTINGS disk = '{table}';
|
|
|
|
SET enable_filesystem_cache_on_write_operations=1;
|
|
INSERT INTO {table} SELECT * FROM generateRandom('a Int32, b String')
|
|
LIMIT 1000;
|
|
"""
|
|
)
|
|
|
|
size = int(
|
|
node.query(
|
|
"SELECT value FROM system.metrics WHERE name = 'FilesystemCacheSize'"
|
|
)
|
|
)
|
|
assert (
|
|
node.query(
|
|
"SELECT cache_name, sum(size) FROM system.filesystem_cache GROUP BY cache_name ORDER BY cache_name"
|
|
).strip()
|
|
== f"cache1\t{size}\ncache2\t{size}"
|
|
)
|
|
|
|
|
|
def test_custom_cached_disk(cluster):
|
|
node = cluster.instances["node_no_filesystem_caches_path"]
|
|
|
|
assert "Cannot create cached custom disk without" in node.query_and_get_error(
|
|
f"""
|
|
DROP TABLE IF EXISTS test SYNC;
|
|
CREATE TABLE test (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, path = 'kek', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
node.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
f"""echo "
|
|
<clickhouse>
|
|
<filesystem_caches_path>/var/lib/clickhouse/filesystem_caches/</filesystem_caches_path>
|
|
</clickhouse>
|
|
" > /etc/clickhouse-server/config.d/filesystem_caches_path.xml
|
|
""",
|
|
]
|
|
)
|
|
node.restart_clickhouse()
|
|
|
|
node.query(
|
|
f"""
|
|
CREATE TABLE test (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, name = 'custom_cached', path = 'kek', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
assert (
|
|
"/var/lib/clickhouse/filesystem_caches/kek"
|
|
== node.query(
|
|
"SELECT cache_path FROM system.disks WHERE name = 'custom_cached'"
|
|
).strip()
|
|
)
|
|
|
|
node.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
f"""echo "
|
|
<clickhouse>
|
|
<custom_cached_disks_base_directory>/var/lib/clickhouse/custom_caches/</custom_cached_disks_base_directory>
|
|
</clickhouse>
|
|
" > /etc/clickhouse-server/config.d/custom_filesystem_caches_path.xml
|
|
""",
|
|
]
|
|
)
|
|
node.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
"rm /etc/clickhouse-server/config.d/remove_filesystem_caches_path.xml",
|
|
]
|
|
)
|
|
node.restart_clickhouse()
|
|
|
|
node.query(
|
|
f"""
|
|
CREATE TABLE test2 (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, name = 'custom_cached2', path = 'kek2', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
assert (
|
|
"/var/lib/clickhouse/custom_caches/kek2"
|
|
== node.query(
|
|
"SELECT cache_path FROM system.disks WHERE name = 'custom_cached2'"
|
|
).strip()
|
|
)
|
|
|
|
node.exec_in_container(
|
|
["bash", "-c", "rm /etc/clickhouse-server/config.d/filesystem_caches_path.xml"]
|
|
)
|
|
node.restart_clickhouse()
|
|
|
|
node.query(
|
|
f"""
|
|
CREATE TABLE test3 (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, name = 'custom_cached3', path = 'kek3', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
assert (
|
|
"/var/lib/clickhouse/custom_caches/kek3"
|
|
== node.query(
|
|
"SELECT cache_path FROM system.disks WHERE name = 'custom_cached3'"
|
|
).strip()
|
|
)
|
|
|
|
assert "Filesystem cache path must lie inside" in node.query_and_get_error(
|
|
f"""
|
|
CREATE TABLE test4 (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, name = 'custom_cached4', path = '/kek4', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
node.query(
|
|
f"""
|
|
CREATE TABLE test4 (a Int32)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache, name = 'custom_cached4', path = '/var/lib/clickhouse/custom_caches/kek4', max_size = 1, disk = 'hdd_blob');
|
|
"""
|
|
)
|
|
|
|
assert (
|
|
"/var/lib/clickhouse/custom_caches/kek4"
|
|
== node.query(
|
|
"SELECT cache_path FROM system.disks WHERE name = 'custom_cached4'"
|
|
).strip()
|
|
)
|
|
|
|
|
|
def test_force_filesystem_cache_on_merges(cluster):
|
|
def test(node, forced_read_through_cache_on_merge):
|
|
def to_int(value):
|
|
if value == "":
|
|
return 0
|
|
else:
|
|
return int(value)
|
|
|
|
r_cache_count = to_int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE name = 'CachedReadBufferCacheWriteBytes'"
|
|
)
|
|
)
|
|
|
|
w_cache_count = to_int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE name = 'CachedWriteBufferCacheWriteBytes'"
|
|
)
|
|
)
|
|
|
|
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 = 'force_cache_on_merges',
|
|
disk = 'hdd_blob',
|
|
max_file_segment_size = '1Ki',
|
|
cache_on_write_operations = 1,
|
|
boundary_alignment = '1Ki',
|
|
max_size = '10Gi',
|
|
max_elements = 10000000,
|
|
load_metadata_threads = 30);
|
|
|
|
SYSTEM DROP FILESYSTEM CACHE;
|
|
INSERT INTO test SELECT * FROM generateRandom('a Int32, b String') LIMIT 1000000;
|
|
INSERT INTO test SELECT * FROM generateRandom('a Int32, b String') LIMIT 1000000;
|
|
"""
|
|
)
|
|
assert int(node.query("SELECT count() FROM system.filesystem_cache")) > 0
|
|
assert int(node.query("SELECT max(size) FROM system.filesystem_cache")) == 1024
|
|
|
|
w_cache_count_2 = int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE name = 'CachedWriteBufferCacheWriteBytes'"
|
|
)
|
|
)
|
|
assert w_cache_count_2 > w_cache_count
|
|
|
|
r_cache_count_2 = to_int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE name = 'CachedReadBufferCacheWriteBytes'"
|
|
)
|
|
)
|
|
assert r_cache_count_2 == r_cache_count
|
|
|
|
node.query("SYSTEM DROP FILESYSTEM CACHE")
|
|
node.query("OPTIMIZE TABLE test FINAL")
|
|
|
|
r_cache_count_3 = to_int(
|
|
node.query(
|
|
"SELECT value FROM system.events WHERE name = 'CachedReadBufferCacheWriteBytes'"
|
|
)
|
|
)
|
|
|
|
if forced_read_through_cache_on_merge:
|
|
assert r_cache_count_3 > r_cache_count
|
|
else:
|
|
assert r_cache_count_3 == r_cache_count
|
|
|
|
node = cluster.instances["node_force_read_through_cache_on_merge"]
|
|
test(node, True)
|
|
node = cluster.instances["node"]
|
|
test(node, False)
|
|
|
|
|
|
def test_system_sync_filesystem_cache(cluster):
|
|
node = cluster.instances["node"]
|
|
node.query(
|
|
"""
|
|
DROP TABLE IF EXISTS test;
|
|
|
|
CREATE TABLE test (a Int32, b String)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache,
|
|
max_size = '100Ki',
|
|
path = "test_system_sync_filesystem_cache",
|
|
delayed_cleanup_interval_ms = 10000000, disk = hdd_blob),
|
|
min_bytes_for_wide_part = 10485760;
|
|
|
|
INSERT INTO test SELECT 1, 'test';
|
|
"""
|
|
)
|
|
|
|
query_id = "system_sync_filesystem_cache_1"
|
|
node.query(
|
|
"SELECT * FROM test FORMAT Null SETTINGS enable_filesystem_cache_log = 1",
|
|
query_id=query_id,
|
|
)
|
|
|
|
key, offset = (
|
|
node.query(
|
|
f"""
|
|
SYSTEM FLUSH LOGS;
|
|
SELECT key, offset FROM system.filesystem_cache_log WHERE query_id = '{query_id}' ORDER BY size DESC LIMIT 1;
|
|
"""
|
|
)
|
|
.strip()
|
|
.split("\t")
|
|
)
|
|
|
|
cache_path = node.query(
|
|
f"SELECT cache_path FROM system.filesystem_cache WHERE key = '{key}' and file_segment_range_begin = {offset}"
|
|
)
|
|
|
|
node.exec_in_container(["bash", "-c", f"rm {cache_path}"])
|
|
|
|
assert key in node.query("SYSTEM SYNC FILESYSTEM CACHE")
|
|
|
|
node.query("SELECT * FROM test FORMAT Null")
|
|
assert key not in node.query("SYSTEM SYNC FILESYSTEM CACHE")
|
|
|
|
query_id = "system_sync_filesystem_cache_2"
|
|
node.query(
|
|
"SELECT * FROM test FORMAT Null SETTINGS enable_filesystem_cache_log = 1",
|
|
query_id=query_id,
|
|
)
|
|
|
|
key, offset = (
|
|
node.query(
|
|
f"""
|
|
SYSTEM FLUSH LOGS;
|
|
SELECT key, offset FROM system.filesystem_cache_log WHERE query_id = '{query_id}' ORDER BY size DESC LIMIT 1;
|
|
"""
|
|
)
|
|
.strip()
|
|
.split("\t")
|
|
)
|
|
cache_path = node.query(
|
|
f"SELECT cache_path FROM system.filesystem_cache WHERE key = '{key}' and file_segment_range_begin = {offset}"
|
|
)
|
|
|
|
node.exec_in_container(["bash", "-c", f"echo -n 'fff' > {cache_path}"])
|
|
|
|
assert key in node.query("SYSTEM SYNC FILESYSTEM CACHE")
|
|
|
|
node.query("SELECT * FROM test FORMAT Null")
|
|
|
|
assert key not in node.query("SYSTEM SYNC FILESYSTEM CACHE")
|
|
|
|
|
|
def test_keep_up_size_ratio(cluster):
|
|
node = cluster.instances["node"]
|
|
max_elements = 20
|
|
elements_ratio = 0.5
|
|
cache_name = "keep_up_size_ratio"
|
|
node.query(
|
|
f"""
|
|
DROP TABLE IF EXISTS test;
|
|
|
|
CREATE TABLE test (a String)
|
|
ENGINE = MergeTree() ORDER BY tuple()
|
|
SETTINGS disk = disk(type = cache,
|
|
name = {cache_name},
|
|
max_size = '100Ki',
|
|
max_elements = {max_elements},
|
|
max_file_segment_size = 10,
|
|
boundary_alignment = 10,
|
|
path = "test_keep_up_size_ratio",
|
|
keep_free_space_size_ratio = 0.5,
|
|
keep_free_space_elements_ratio = {elements_ratio},
|
|
disk = hdd_blob),
|
|
min_bytes_for_wide_part = 10485760;
|
|
|
|
INSERT INTO test SELECT randomString(200);
|
|
"""
|
|
)
|
|
|
|
query_id = "test_keep_up_size_ratio_1"
|
|
node.query(
|
|
"SELECT * FROM test FORMAT Null SETTINGS enable_filesystem_cache_log = 1",
|
|
query_id=query_id,
|
|
)
|
|
count = int(
|
|
node.query(
|
|
f"""
|
|
SYSTEM FLUSH LOGS;
|
|
SELECT uniqExact(concat(key, toString(offset)))
|
|
FROM system.filesystem_cache_log
|
|
WHERE read_type = 'READ_FROM_FS_AND_DOWNLOADED_TO_CACHE';
|
|
"""
|
|
)
|
|
)
|
|
assert count > max_elements
|
|
|
|
expected = 10
|
|
for _ in range(100):
|
|
elements = int(
|
|
node.query(
|
|
f"SELECT count() FROM system.filesystem_cache WHERE cache_name = '{cache_name}'"
|
|
)
|
|
)
|
|
if elements <= expected:
|
|
break
|
|
time.sleep(1)
|
|
assert elements <= expected
|