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ClickHouse/tests/integration/test_merge_tree_s3/test.py
Alexander Sapin eb43d480f0 Relax flaky test
2023-08-07 12:59:25 +02:00

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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
from helpers.wait_for_helpers import wait_for_delete_inactive_parts
from helpers.wait_for_helpers import wait_for_delete_empty_parts
from helpers.wait_for_helpers import wait_for_merges
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=[
"configs/config.xml",
"configs/config.d/storage_conf.xml",
"configs/config.d/bg_processing_pool_conf.xml",
],
user_configs=[
"configs/config.d/users.xml",
],
stay_alive=True,
with_minio=True,
)
cluster.add_instance(
"node_with_limited_disk",
main_configs=[
"configs/config.d/storage_conf.xml",
"configs/config.d/bg_processing_pool_conf.xml",
],
with_minio=True,
tmpfs=[
"/jbod1:size=2M",
],
)
logging.info("Starting cluster...")
cluster.start()
logging.info("Cluster started")
run_s3_mocks(cluster)
yield cluster
finally:
cluster.shutdown()
FILES_OVERHEAD = 1
FILES_OVERHEAD_PER_COLUMN = 2 # Data and mark files
FILES_OVERHEAD_DEFAULT_COMPRESSION_CODEC = 1
FILES_OVERHEAD_METADATA_VERSION = 1
FILES_OVERHEAD_PER_PART_WIDE = (
FILES_OVERHEAD_PER_COLUMN * 3
+ 2
+ 6
+ FILES_OVERHEAD_DEFAULT_COMPRESSION_CODEC
+ FILES_OVERHEAD_METADATA_VERSION
)
FILES_OVERHEAD_PER_PART_COMPACT = (
10 + FILES_OVERHEAD_DEFAULT_COMPRESSION_CODEC + FILES_OVERHEAD_METADATA_VERSION
)
def create_table(node, table_name, **additional_settings):
settings = {
"storage_policy": "s3",
"old_parts_lifetime": 0,
"index_granularity": 512,
"temporary_directories_lifetime": 1,
}
settings.update(additional_settings)
create_table_statement = f"""
CREATE TABLE {table_name} (
dt Date,
id Int64,
data String,
INDEX min_max (id) TYPE minmax GRANULARITY 3
) ENGINE=MergeTree()
PARTITION BY dt
ORDER BY (dt, id)
SETTINGS {",".join((k+"="+repr(v) for k, v in settings.items()))}"""
node.query(f"DROP TABLE IF EXISTS {table_name}")
node.query(create_table_statement)
@pytest.fixture(scope="module")
def init_broken_s3(cluster):
yield start_s3_mock(cluster, "broken_s3", "8083")
@pytest.fixture(scope="function")
def broken_s3(init_broken_s3):
init_broken_s3.reset()
yield init_broken_s3
def run_s3_mocks(cluster):
script_dir = os.path.join(os.path.dirname(__file__), "s3_mocks")
start_mock_servers(
cluster,
script_dir,
[
("unstable_proxy.py", "resolver", "8081"),
("no_delete_objects.py", "resolver", "8082"),
],
)
def list_objects(cluster, path="data/", hint="list_objects"):
minio = cluster.minio_client
objects = list(minio.list_objects(cluster.minio_bucket, path, recursive=True))
logging.info(f"{hint} ({len(objects)}): {[x.object_name for x in objects]}")
return objects
def wait_for_delete_s3_objects(cluster, expected, timeout=30):
while timeout > 0:
if len(list_objects(cluster, "data/")) == expected:
return
timeout -= 1
time.sleep(1)
assert len(list_objects(cluster, "data/")) == expected
def remove_all_s3_objects(cluster):
minio = cluster.minio_client
for obj in list_objects(cluster, "data/"):
minio.remove_object(cluster.minio_bucket, obj.object_name)
@pytest.fixture(autouse=True, scope="function")
def clear_minio(cluster):
try:
# CH do some writes to the S3 at start. For example, file data/clickhouse_access_check_{server_uuid}.
# Set the timeout there as 10 sec in order to resolve the race with that file exists.
wait_for_delete_s3_objects(cluster, 0, timeout=10)
except:
# Remove extra objects to prevent tests cascade failing
remove_all_s3_objects(cluster)
yield
def check_no_objects_after_drop(cluster, table_name="s3_test", node_name="node"):
node = cluster.instances[node_name]
node.query(f"DROP TABLE IF EXISTS {table_name} SYNC")
wait_for_delete_s3_objects(cluster, 0, timeout=0)
@pytest.mark.parametrize(
"min_rows_for_wide_part,files_per_part,node_name",
[
(0, FILES_OVERHEAD_PER_PART_WIDE, "node"),
(8192, FILES_OVERHEAD_PER_PART_COMPACT, "node"),
],
)
def test_simple_insert_select(
cluster, min_rows_for_wide_part, files_per_part, node_name
):
node = cluster.instances[node_name]
create_table(node, "s3_test", min_rows_for_wide_part=min_rows_for_wide_part)
minio = cluster.minio_client
values1 = generate_values("2020-01-03", 4096)
node.query("INSERT INTO s3_test VALUES {}".format(values1))
assert node.query("SELECT * FROM s3_test order by dt, id FORMAT Values") == values1
assert len(list_objects(cluster, "data/")) == FILES_OVERHEAD + files_per_part
values2 = generate_values("2020-01-04", 4096)
node.query("INSERT INTO s3_test VALUES {}".format(values2))
assert (
node.query("SELECT * FROM s3_test ORDER BY dt, id FORMAT Values")
== values1 + "," + values2
)
assert len(list_objects(cluster, "data/")) == FILES_OVERHEAD + files_per_part * 2
assert (
node.query("SELECT count(*) FROM s3_test where id = 1 FORMAT Values") == "(2)"
)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("merge_vertical,node_name", [(True, "node"), (False, "node")])
def test_insert_same_partition_and_merge(cluster, merge_vertical, node_name):
settings = {}
if merge_vertical:
settings["vertical_merge_algorithm_min_rows_to_activate"] = 0
settings["vertical_merge_algorithm_min_columns_to_activate"] = 0
node = cluster.instances[node_name]
create_table(node, "s3_test", **settings)
node.query("SYSTEM STOP MERGES s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 1024))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 2048))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 1024, -1))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 2048, -1))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096, -1))
)
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert (
node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)"
)
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD_PER_PART_WIDE * 6 + FILES_OVERHEAD
)
node.query("SYSTEM START MERGES s3_test")
# Wait for merges and old parts deletion
for attempt in range(0, 60):
parts_count = node.query(
"SELECT COUNT(*) FROM system.parts WHERE table = 's3_test' and active = 1 FORMAT Values"
)
if parts_count == "(1)":
break
if attempt == 59:
assert parts_count == "(1)"
time.sleep(1)
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert (
node.query("SELECT count(distinct(id)) FROM s3_test FORMAT Values") == "(8192)"
)
wait_for_delete_s3_objects(
cluster, FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD, timeout=45
)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_alter_table_columns(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096, -1))
)
node.query("ALTER TABLE s3_test ADD COLUMN col1 UInt64 DEFAULT 1")
# To ensure parts have merged
node.query("OPTIMIZE TABLE s3_test")
assert node.query("SELECT sum(col1) FROM s3_test FORMAT Values") == "(8192)"
assert (
node.query("SELECT sum(col1) FROM s3_test WHERE id > 0 FORMAT Values")
== "(4096)"
)
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN,
)
node.query(
"ALTER TABLE s3_test MODIFY COLUMN col1 String", settings={"mutations_sync": 2}
)
assert node.query("SELECT distinct(col1) FROM s3_test FORMAT Values") == "('1')"
# and file with mutation
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + FILES_OVERHEAD_PER_COLUMN + 1,
)
node.query("ALTER TABLE s3_test DROP COLUMN col1", settings={"mutations_sync": 2})
# and 2 files with mutations
wait_for_delete_s3_objects(
cluster, FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE + 2
)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_attach_detach_partition(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-03'")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD
+ FILES_OVERHEAD_PER_PART_WIDE * 2
- FILES_OVERHEAD_METADATA_VERSION
)
node.query("ALTER TABLE s3_test ATTACH PARTITION '2020-01-03'")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
node.query("ALTER TABLE s3_test DROP PARTITION '2020-01-03'")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(4096)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 1
)
node.query("ALTER TABLE s3_test DETACH PARTITION '2020-01-04'")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD
+ FILES_OVERHEAD_PER_PART_WIDE * 1
- FILES_OVERHEAD_METADATA_VERSION
)
node.query(
"ALTER TABLE s3_test DROP DETACHED PARTITION '2020-01-04'",
settings={"allow_drop_detached": 1},
)
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 0
)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_move_partition_to_another_disk(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 'hdd'")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE
)
node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-04' TO DISK 's3'")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_table_manipulations(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
node.query("RENAME TABLE s3_test TO s3_renamed")
assert node.query("SELECT count(*) FROM s3_renamed FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
node.query("RENAME TABLE s3_renamed TO s3_test")
assert node.query("CHECK TABLE s3_test FORMAT Values") == "(1)"
node.query("DETACH TABLE s3_test")
node.query("ATTACH TABLE s3_test")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 2
)
node.query("TRUNCATE TABLE s3_test")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(0)"
assert len(list_objects(cluster, "data/")) == FILES_OVERHEAD
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_move_replace_partition_to_another_table(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-05", 4096, -1))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-06", 4096, -1))
)
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
assert (
len(list_objects(cluster, "data/", "Objects at start"))
== FILES_OVERHEAD + FILES_OVERHEAD_PER_PART_WIDE * 4
)
create_table(node, "s3_clone")
node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-03' TO TABLE s3_clone")
node.query("ALTER TABLE s3_test MOVE PARTITION '2020-01-05' TO TABLE s3_clone")
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(8192)"
assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)"
list_objects(cluster, "data/", "Object after move partition")
# Number of objects in S3 should be unchanged.
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD * 2
+ FILES_OVERHEAD_PER_PART_WIDE * 4
- FILES_OVERHEAD_METADATA_VERSION * 2,
)
# Add new partitions to source table, but with different values and replace them from copied table.
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 4096, -1))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-05", 4096))
)
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
list_objects(cluster, "data/", "Object after insert")
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD * 2
+ FILES_OVERHEAD_PER_PART_WIDE * 6
- FILES_OVERHEAD_METADATA_VERSION * 2,
)
node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-03' FROM s3_clone")
node.query("ALTER TABLE s3_test REPLACE PARTITION '2020-01-05' FROM s3_clone")
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
assert node.query("SELECT sum(id) FROM s3_clone FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_clone FORMAT Values") == "(8192)"
# Wait for outdated partitions deletion.
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD * 2
+ FILES_OVERHEAD_PER_PART_WIDE * 4
- FILES_OVERHEAD_METADATA_VERSION * 2,
)
node.query("DROP TABLE s3_clone SYNC")
assert node.query("SELECT sum(id) FROM s3_test FORMAT Values") == "(0)"
assert node.query("SELECT count(*) FROM s3_test FORMAT Values") == "(16384)"
list_objects(cluster, "data/", "Object after drop")
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD
+ FILES_OVERHEAD_PER_PART_WIDE * 4
- FILES_OVERHEAD_METADATA_VERSION * 2,
)
node.query("ALTER TABLE s3_test FREEZE")
# Number S3 objects should be unchanged.
list_objects(cluster, "data/", "Object after freeze")
wait_for_delete_s3_objects(
cluster,
FILES_OVERHEAD
+ FILES_OVERHEAD_PER_PART_WIDE * 4
- FILES_OVERHEAD_METADATA_VERSION * 2,
)
node.query("DROP TABLE s3_test SYNC")
# Backup data should remain in S3.
wait_for_delete_s3_objects(
cluster, FILES_OVERHEAD_PER_PART_WIDE * 4 - FILES_OVERHEAD_METADATA_VERSION * 4
)
remove_all_s3_objects(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_freeze_unfreeze(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-03", 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")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD
+ (FILES_OVERHEAD_PER_PART_WIDE - FILES_OVERHEAD_METADATA_VERSION) * 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.
wait_for_delete_s3_objects(cluster, FILES_OVERHEAD)
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_freeze_system_unfreeze(cluster, node_name):
node = cluster.instances[node_name]
create_table(node, "s3_test")
create_table(node, "s3_test_removed")
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
node.query(
"INSERT INTO s3_test VALUES {}".format(generate_values("2020-01-04", 4096))
)
node.query("ALTER TABLE s3_test FREEZE WITH NAME 'backup3'")
node.query("ALTER TABLE s3_test_removed FREEZE WITH NAME 'backup3'")
node.query("TRUNCATE TABLE s3_test")
wait_for_delete_empty_parts(node, "s3_test")
wait_for_delete_inactive_parts(node, "s3_test")
node.query("DROP TABLE s3_test_removed SYNC")
assert (
len(list_objects(cluster, "data/"))
== FILES_OVERHEAD
+ (FILES_OVERHEAD_PER_PART_WIDE - FILES_OVERHEAD_METADATA_VERSION) * 2
)
# Unfreeze all data from backup3.
node.query("SYSTEM UNFREEZE WITH NAME 'backup3'")
# Data should be removed from S3.
wait_for_delete_s3_objects(cluster, FILES_OVERHEAD)
check_no_objects_after_drop(cluster)
@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")
config_path = os.path.join(
SCRIPT_DIR,
"./{}/node/configs/config.d/storage_conf.xml".format(
cluster.instances_dir_name
),
)
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(
config_path,
"<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
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_s3_no_delete_objects(cluster, node_name):
node = cluster.instances[node_name]
create_table(
node, "s3_test_no_delete_objects", storage_policy="no_delete_objects_s3"
)
node.query("DROP TABLE s3_test_no_delete_objects SYNC")
remove_all_s3_objects(cluster)
@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"
]
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node"])
def test_lazy_seek_optimization_for_async_read(cluster, node_name):
node = cluster.instances[node_name]
node.query("DROP TABLE IF EXISTS s3_test SYNC")
node.query(
"CREATE TABLE s3_test (key UInt32, value String) Engine=MergeTree() ORDER BY key SETTINGS storage_policy='s3';"
)
node.query("SYSTEM STOP MERGES s3_test")
node.query(
"INSERT INTO s3_test SELECT * FROM generateRandom('key UInt32, value String') LIMIT 10000000"
)
node.query("SELECT * FROM s3_test WHERE value LIKE '%abc%' ORDER BY value LIMIT 10")
check_no_objects_after_drop(cluster)
@pytest.mark.parametrize("node_name", ["node_with_limited_disk"])
def test_cache_with_full_disk_space(cluster, node_name):
node = cluster.instances[node_name]
node.query("DROP TABLE IF EXISTS s3_test SYNC")
node.query(
"CREATE TABLE s3_test (key UInt32, value String) Engine=MergeTree() ORDER BY value SETTINGS storage_policy='s3_with_cache_and_jbod';"
)
node.query("SYSTEM STOP MERGES s3_test")
node.query(
"INSERT INTO s3_test SELECT number, toString(number) FROM numbers(100000000)"
)
out = node.exec_in_container(
[
"/usr/bin/clickhouse",
"benchmark",
"--iterations",
"10",
"--max_threads",
"100",
"--query",
"SELECT count() FROM s3_test WHERE key < 40000000 or key > 80000000 SETTINGS max_read_buffer_size='44Ki'",
]
)
assert node.contains_in_log(
"Insert into cache is skipped due to insufficient disk space"
)
check_no_objects_after_drop(cluster, node_name=node_name)
@pytest.mark.parametrize("node_name", ["node"])
def test_merge_canceled_by_drop(cluster, node_name):
node = cluster.instances[node_name]
node.query("DROP TABLE IF EXISTS test_merge_canceled_by_drop NO DELAY")
node.query(
"CREATE TABLE test_merge_canceled_by_drop "
" (key UInt32, value String)"
" Engine=MergeTree() "
" ORDER BY value "
" SETTINGS storage_policy='s3'"
)
node.query("SYSTEM STOP MERGES test_merge_canceled_by_drop")
node.query(
"INSERT INTO test_merge_canceled_by_drop SELECT number, toString(number) FROM numbers(100000000)"
)
node.query("SYSTEM START MERGES test_merge_canceled_by_drop")
wait_for_merges(node, "test_merge_canceled_by_drop")
check_no_objects_after_drop(
cluster, table_name="test_merge_canceled_by_drop", node_name=node_name
)
@pytest.mark.parametrize("storage_policy", ["broken_s3_always_multi_part", "broken_s3"])
@pytest.mark.parametrize("node_name", ["node"])
def test_merge_canceled_by_s3_errors(cluster, broken_s3, node_name, storage_policy):
node = cluster.instances[node_name]
node.query("DROP TABLE IF EXISTS test_merge_canceled_by_s3_errors NO DELAY")
node.query(
"CREATE TABLE test_merge_canceled_by_s3_errors "
" (key UInt32, value String)"
" Engine=MergeTree() "
" ORDER BY value "
f" SETTINGS storage_policy='{storage_policy}'"
)
node.query("SYSTEM STOP MERGES test_merge_canceled_by_s3_errors")
node.query(
"INSERT INTO test_merge_canceled_by_s3_errors SELECT number, toString(number) FROM numbers(10000)"
)
node.query(
"INSERT INTO test_merge_canceled_by_s3_errors SELECT 2*number, toString(number) FROM numbers(10000)"
)
min_key = node.query("SELECT min(key) FROM test_merge_canceled_by_s3_errors")
assert int(min_key) == 0, min_key
broken_s3.setup_at_object_upload()
broken_s3.setup_fake_multpartuploads()
broken_s3.setup_at_part_upload()
node.query("SYSTEM START MERGES test_merge_canceled_by_s3_errors")
error = node.query_and_get_error(
"OPTIMIZE TABLE test_merge_canceled_by_s3_errors FINAL",
)
assert "ExpectedError Message: mock s3 injected error" in error, error
node.wait_for_log_line("ExpectedError Message: mock s3 injected error")
check_no_objects_after_drop(
cluster, table_name="test_merge_canceled_by_s3_errors", node_name=node_name
)
@pytest.mark.parametrize("node_name", ["node"])
def test_merge_canceled_by_s3_errors_when_move(cluster, broken_s3, node_name):
node = cluster.instances[node_name]
settings = {
"storage_policy": "external_broken_s3",
"merge_with_ttl_timeout": 1,
}
create_table(node, "merge_canceled_by_s3_errors_when_move", **settings)
node.query("SYSTEM STOP MERGES merge_canceled_by_s3_errors_when_move")
node.query(
"INSERT INTO merge_canceled_by_s3_errors_when_move"
" VALUES {}".format(generate_values("2020-01-03", 1000))
)
node.query(
"INSERT INTO merge_canceled_by_s3_errors_when_move"
" VALUES {}".format(generate_values("2020-01-03", 1000, -1))
)
node.query(
"ALTER TABLE merge_canceled_by_s3_errors_when_move"
" MODIFY TTL"
" dt + INTERVAL 1 DAY "
" TO VOLUME 'external'",
settings={"materialize_ttl_after_modify": 0},
)
broken_s3.setup_at_object_upload(count=1, after=1)
node.query("SYSTEM START MERGES merge_canceled_by_s3_errors_when_move")
node.query("OPTIMIZE TABLE merge_canceled_by_s3_errors_when_move FINAL")
node.wait_for_log_line("ExpectedError Message: mock s3 injected error")
count = node.query("SELECT count() FROM merge_canceled_by_s3_errors_when_move")
assert int(count) == 2000, count
check_no_objects_after_drop(
cluster, table_name="merge_canceled_by_s3_errors_when_move", node_name=node_name
)
@pytest.mark.parametrize("node_name", ["node"])
@pytest.mark.parametrize(
"in_flight_memory", [(10, 245918115), (5, 156786752), (1, 106426187)]
)
def test_s3_engine_heavy_write_check_mem(
cluster, broken_s3, node_name, in_flight_memory
):
in_flight = in_flight_memory[0]
memory = in_flight_memory[1]
node = cluster.instances[node_name]
# it's bad idea to test something related to memory with sanitizers
if node.is_built_with_sanitizer():
pytest.skip("Disabled for sanitizers")
node.query("DROP TABLE IF EXISTS s3_test SYNC")
node.query(
"CREATE TABLE s3_test"
" ("
" key UInt32 CODEC(NONE), value String CODEC(NONE)"
" )"
" ENGINE S3('http://resolver:8083/root/data/test-upload.csv', 'minio', 'minio123', 'CSV')",
)
broken_s3.setup_fake_multpartuploads()
broken_s3.setup_slow_answers(10 * 1024 * 1024, timeout=15, count=10)
query_id = f"INSERT_INTO_S3_ENGINE_QUERY_ID_{in_flight}"
node.query(
"INSERT INTO s3_test SELECT number, toString(number) FROM numbers(50000000)"
f" SETTINGS max_memory_usage={2*memory}"
f", s3_max_inflight_parts_for_one_file={in_flight}",
query_id=query_id,
)
node.query("SYSTEM FLUSH LOGS")
memory_usage, wait_inflight = node.query(
"SELECT memory_usage, ProfileEvents['WriteBufferFromS3WaitInflightLimitMicroseconds']"
" FROM system.query_log"
f" WHERE query_id='{query_id}'"
" AND type!='QueryStart'"
).split()
assert int(memory_usage) < 1.2 * memory
assert int(memory_usage) > 0.8 * memory
assert int(wait_inflight) > in_flight * 1000 * 1000
check_no_objects_after_drop(cluster, node_name=node_name)
@pytest.mark.parametrize("node_name", ["node"])
def test_s3_disk_heavy_write_check_mem(cluster, broken_s3, node_name):
memory = 2279055040
node = cluster.instances[node_name]
node.query("DROP TABLE IF EXISTS s3_test SYNC")
node.query(
"CREATE TABLE s3_test"
" ("
" key UInt32, value String"
" )"
" ENGINE=MergeTree()"
" ORDER BY key"
" SETTINGS"
" storage_policy='broken_s3'",
)
node.query("SYSTEM STOP MERGES s3_test")
broken_s3.setup_fake_multpartuploads()
broken_s3.setup_slow_answers(10 * 1024 * 1024, timeout=10, count=50)
query_id = f"INSERT_INTO_S3_DISK_QUERY_ID"
node.query(
"INSERT INTO s3_test SELECT number, toString(number) FROM numbers(50000000)"
f" SETTINGS max_memory_usage={2*memory}"
f", max_insert_block_size=50000000"
f", min_insert_block_size_rows=50000000"
f", min_insert_block_size_bytes=1000000000000",
query_id=query_id,
)
node.query("SYSTEM FLUSH LOGS")
result = node.query(
"SELECT memory_usage"
" FROM system.query_log"
f" WHERE query_id='{query_id}'"
" AND type!='QueryStart'"
)
assert int(result) < 1.2 * memory
assert int(result) > 0.8 * memory
check_no_objects_after_drop(cluster, node_name=node_name)
def get_memory_usage(node, query_id):
node.query("SYSTEM FLUSH LOGS")
memory_usage = node.query(
"SELECT memory_usage"
" FROM system.query_log"
f" WHERE query_id='{query_id}'"
" AND type='QueryFinish'"
)
return int(memory_usage)
def get_memory_usages(node, query_ids):
node.query("SYSTEM FLUSH LOGS")
result = []
for query_id in query_ids:
memory_usage = node.query(
"SELECT memory_usage"
" FROM system.query_log"
f" WHERE query_id='{query_id}'"
" AND type='QueryFinish'"
)
result.append(int(memory_usage))
return result
@pytest.mark.parametrize("node_name", ["node"])
def test_heavy_insert_select_check_memory(cluster, broken_s3, node_name):
node = cluster.instances[node_name]
node.query(
"""
CREATE TABLE central_query_log
(
control_plane_id UUID,
pod_id LowCardinality(String),
scrape_ts_microseconds DateTime64(6) CODEC(Delta(8), LZ4),
event_date Date,
event_time DateTime,
payload Array(String),
payload_01 String,
payload_02 String,
payload_03 String,
payload_04 String,
payload_05 String,
payload_06 String,
payload_07 String,
payload_08 String,
payload_09 String,
payload_10 String,
payload_11 String,
payload_12 String,
payload_13 String,
payload_14 String,
payload_15 String,
payload_16 String,
payload_17 String,
payload_18 String,
payload_19 String
)
ENGINE=MergeTree()
PARTITION BY toYYYYMM(event_date)
ORDER BY (control_plane_id, event_date, pod_id)
SETTINGS
storage_policy='s3'
"""
)
node.query("SYSTEM STOP MERGES central_query_log")
write_count = 2
write_query_ids = []
for x in range(write_count):
query_id = f"INSERT_INTO_TABLE_RANDOM_DATA_QUERY_ID_{x}"
write_query_ids.append(query_id)
node.query(
"""
INSERT INTO central_query_log
SELECT
control_plane_id,
pod_id,
toStartOfHour(event_time) + toIntervalSecond(randUniform(0,60)) as scrape_ts_microseconds,
toDate(event_time) as event_date,
event_time,
payload,
payload[1] as payload_01,
payload[2] as payload_02,
payload[3] as payload_03,
payload[4] as payload_04,
payload[5] as payload_05,
payload[6] as payload_06,
payload[7] as payload_07,
payload[8] as payload_08,
payload[9] as payload_09,
payload[10] as payload_10,
payload[11] as payload_11,
payload[12] as payload_12,
payload[13] as payload_13,
payload[14] as payload_14,
payload[15] as payload_15,
payload[16] as payload_16,
payload[17] as payload_17,
payload[18] as payload_18,
payload[19] as payload_19
FROM
(
SELECT
control_plane_id,
substring(payload[1], 1, 5) as pod_id,
toDateTime('2022-12-12 00:00:00')
+ toIntervalDay(floor(randUniform(0,3)))
+ toIntervalHour(floor(randUniform(0,24)))
+ toIntervalSecond(floor(randUniform(0,60)))
as event_time,
payload
FROM
generateRandom(
'control_plane_id UUID, payload Array(String)',
NULL,
100,
100
)
LIMIT 10000
)
SETTINGS
max_insert_block_size=256000000,
min_insert_block_size_rows=1000000,
min_insert_block_size_bytes=256000000
""",
query_id=query_id,
)
memory = 845346116
for memory_usage, query_id in zip(
get_memory_usages(node, write_query_ids), write_query_ids
):
assert int(memory_usage) < 1.2 * memory, f"{memory_usage} : {query_id}"
assert int(memory_usage) > 0.8 * memory, f"{memory_usage} : {query_id}"
broken_s3.setup_slow_answers(minimal_length=1000, timeout=5, count=20)
broken_s3.setup_fake_multpartuploads()
insert_query_id = f"INSERT_INTO_S3_FUNCTION_QUERY_ID"
node.query(
"""
INSERT INTO
TABLE FUNCTION s3(
'http://resolver:8083/root/data/test-upload_{_partition_id}.csv.gz',
'minio', 'minio123',
'CSV', auto, 'gzip'
)
PARTITION BY formatDateTime(subtractHours(toDateTime('2022-12-13 00:00:00'), 1),'%Y-%m-%d_%H:00')
WITH toDateTime('2022-12-13 00:00:00') as time_point
SELECT
*
FROM central_query_log
WHERE
event_date >= subtractDays(toDate(time_point), 1)
AND scrape_ts_microseconds >= subtractHours(toStartOfHour(time_point), 12)
AND scrape_ts_microseconds < toStartOfDay(time_point)
SETTINGS
s3_max_inflight_parts_for_one_file=1
""",
query_id=insert_query_id,
)
query_id = f"SELECT_QUERY_ID"
total = node.query(
"""
SELECT
count()
FROM central_query_log
""",
query_id=query_id,
)
assert int(total) == 10000 * write_count
query_id = f"SELECT_WHERE_QUERY_ID"
selected = node.query(
"""
WITH toDateTime('2022-12-13 00:00:00') as time_point
SELECT
count()
FROM central_query_log
WHERE
event_date >= subtractDays(toDate(time_point), 1)
AND scrape_ts_microseconds >= subtractHours(toStartOfHour(time_point), 12)
AND scrape_ts_microseconds < toStartOfDay(time_point)
""",
query_id=query_id,
)
assert int(selected) < 4500, selected
assert int(selected) > 2500, selected
node.query("SYSTEM FLUSH LOGS")
profile_events = node.query(
f"""
SELECT ProfileEvents
FROM system.query_log
WHERE query_id='{insert_query_id}'
AND type='QueryFinish'
"""
)
memory_usage = get_memory_usage(node, insert_query_id)
memory = 123507857
assert int(memory_usage) < 1.2 * memory, f"{memory_usage} {profile_events}"
assert int(memory_usage) > 0.8 * memory, f"{memory_usage} {profile_events}"
node.query(f"DROP TABLE IF EXISTS central_query_log SYNC")
remove_all_s3_objects(cluster)
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