mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-16 11:22:12 +00:00
276 lines
9.1 KiB
Python
276 lines
9.1 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import pytest
|
|
import time
|
|
import ast
|
|
import random
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
node1 = cluster.add_instance("node1", with_zookeeper=True)
|
|
node2 = cluster.add_instance("node2", with_zookeeper=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def remove_part_from_disk(node, table, part_name):
|
|
part_path = node.query(
|
|
"SELECT path FROM system.parts WHERE table = '{}' and name = '{}'".format(
|
|
table, part_name
|
|
)
|
|
).strip()
|
|
if not part_path:
|
|
raise Exception("Part " + part_name + "doesn't exist")
|
|
node.exec_in_container(
|
|
["bash", "-c", "rm -r {p}/*".format(p=part_path)], privileged=True
|
|
)
|
|
|
|
|
|
def test_lost_part_same_replica(start_cluster):
|
|
for node in [node1, node2]:
|
|
node.query(
|
|
"CREATE TABLE mt0 (id UInt64, date Date) ENGINE ReplicatedMergeTree('/clickhouse/tables/t', '{}') ORDER BY tuple() PARTITION BY date "
|
|
"SETTINGS cleanup_delay_period=1, cleanup_delay_period_random_add=1".format(
|
|
node.name
|
|
)
|
|
)
|
|
|
|
node1.query("SYSTEM STOP MERGES mt0")
|
|
node2.query("SYSTEM STOP REPLICATION QUEUES")
|
|
|
|
for i in range(5):
|
|
node1.query("INSERT INTO mt0 VALUES ({}, toDate('2020-10-01'))".format(i))
|
|
|
|
for i in range(20):
|
|
parts_to_merge = node1.query(
|
|
"SELECT parts_to_merge FROM system.replication_queue"
|
|
)
|
|
if parts_to_merge:
|
|
parts_list = list(sorted(ast.literal_eval(parts_to_merge)))
|
|
print("Got parts list", parts_list)
|
|
if len(parts_list) < 3:
|
|
raise Exception("Got too small parts list {}".format(parts_list))
|
|
break
|
|
time.sleep(1)
|
|
|
|
victim_part_from_the_middle = random.choice(parts_list[1:-1])
|
|
print("Will corrupt part", victim_part_from_the_middle)
|
|
|
|
remove_part_from_disk(node1, "mt0", victim_part_from_the_middle)
|
|
|
|
node1.query("DETACH TABLE mt0")
|
|
|
|
node1.query("ATTACH TABLE mt0")
|
|
|
|
node1.query("SYSTEM START MERGES mt0")
|
|
res, err = node1.query_and_get_answer_with_error("SYSTEM SYNC REPLICA mt0")
|
|
print("result: ", res)
|
|
print("error: ", res)
|
|
|
|
for i in range(10):
|
|
result = node1.query("SELECT count() FROM system.replication_queue")
|
|
if int(result) == 0:
|
|
break
|
|
time.sleep(1)
|
|
else:
|
|
assert False, "Still have something in replication queue:\n" + node1.query(
|
|
"SELECT count() FROM system.replication_queue FORMAT Vertical"
|
|
)
|
|
|
|
assert node1.contains_in_log(
|
|
"Created empty part"
|
|
), "Seems like empty part {} is not created or log message changed".format(
|
|
victim_part_from_the_middle
|
|
)
|
|
|
|
assert node1.query("SELECT COUNT() FROM mt0") == "4\n"
|
|
|
|
node2.query("SYSTEM START REPLICATION QUEUES")
|
|
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM mt0", "4")
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM system.replication_queue", "0")
|
|
|
|
|
|
def test_lost_part_other_replica(start_cluster):
|
|
for node in [node1, node2]:
|
|
node.query(
|
|
"CREATE TABLE mt1 (id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t1', '{}') ORDER BY tuple() "
|
|
"SETTINGS cleanup_delay_period=1, cleanup_delay_period_random_add=1".format(
|
|
node.name
|
|
)
|
|
)
|
|
|
|
node1.query("SYSTEM STOP MERGES mt1")
|
|
node2.query("SYSTEM STOP REPLICATION QUEUES")
|
|
|
|
for i in range(5):
|
|
node1.query("INSERT INTO mt1 VALUES ({})".format(i))
|
|
|
|
for i in range(20):
|
|
parts_to_merge = node1.query(
|
|
"SELECT parts_to_merge FROM system.replication_queue"
|
|
)
|
|
if parts_to_merge:
|
|
parts_list = list(sorted(ast.literal_eval(parts_to_merge)))
|
|
print("Got parts list", parts_list)
|
|
if len(parts_list) < 3:
|
|
raise Exception("Got too small parts list {}".format(parts_list))
|
|
break
|
|
time.sleep(1)
|
|
|
|
victim_part_from_the_middle = random.choice(parts_list[1:-1])
|
|
print("Will corrupt part", victim_part_from_the_middle)
|
|
|
|
remove_part_from_disk(node1, "mt1", victim_part_from_the_middle)
|
|
|
|
# other way to detect broken parts
|
|
node1.query("CHECK TABLE mt1")
|
|
|
|
node2.query("SYSTEM START REPLICATION QUEUES")
|
|
res, err = node1.query_and_get_answer_with_error("SYSTEM SYNC REPLICA mt1")
|
|
print("result: ", res)
|
|
print("error: ", res)
|
|
|
|
for i in range(10):
|
|
result = node2.query("SELECT count() FROM system.replication_queue")
|
|
if int(result) == 0:
|
|
break
|
|
time.sleep(1)
|
|
else:
|
|
assert False, "Still have something in replication queue:\n" + node2.query(
|
|
"SELECT * FROM system.replication_queue FORMAT Vertical"
|
|
)
|
|
|
|
assert node1.contains_in_log(
|
|
"Created empty part"
|
|
), "Seems like empty part {} is not created or log message changed".format(
|
|
victim_part_from_the_middle
|
|
)
|
|
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM mt1", "4")
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM system.replication_queue", "0")
|
|
|
|
node1.query("SYSTEM START MERGES mt1")
|
|
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM mt1", "4")
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM system.replication_queue", "0")
|
|
|
|
|
|
def test_lost_part_mutation(start_cluster):
|
|
for node in [node1, node2]:
|
|
node.query(
|
|
"CREATE TABLE mt2 (id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t2', '{}') ORDER BY tuple() "
|
|
"SETTINGS cleanup_delay_period=1, cleanup_delay_period_random_add=1".format(
|
|
node.name
|
|
)
|
|
)
|
|
|
|
node1.query("SYSTEM STOP MERGES mt2")
|
|
node2.query("SYSTEM STOP REPLICATION QUEUES")
|
|
|
|
for i in range(2):
|
|
node1.query("INSERT INTO mt2 VALUES ({})".format(i))
|
|
|
|
node1.query(
|
|
"ALTER TABLE mt2 UPDATE id = 777 WHERE 1", settings={"mutations_sync": "0"}
|
|
)
|
|
|
|
for i in range(20):
|
|
parts_to_mutate = node1.query("SELECT count() FROM system.replication_queue")
|
|
# two mutations for both replicas
|
|
if int(parts_to_mutate) == 4:
|
|
break
|
|
time.sleep(1)
|
|
|
|
remove_part_from_disk(node1, "mt2", "all_1_1_0")
|
|
|
|
# other way to detect broken parts
|
|
node1.query("CHECK TABLE mt2")
|
|
|
|
node1.query("SYSTEM START MERGES mt2")
|
|
res, err = node1.query_and_get_answer_with_error("SYSTEM SYNC REPLICA mt2")
|
|
print("result: ", res)
|
|
print("error: ", res)
|
|
|
|
for i in range(10):
|
|
result = node1.query("SELECT count() FROM system.replication_queue")
|
|
if int(result) == 0:
|
|
break
|
|
time.sleep(1)
|
|
else:
|
|
assert False, "Still have something in replication queue:\n" + node1.query(
|
|
"SELECT * FROM system.replication_queue FORMAT Vertical"
|
|
)
|
|
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM mt2", "1")
|
|
assert_eq_with_retry(node1, "SELECT SUM(id) FROM mt2", "777")
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM system.replication_queue", "0")
|
|
|
|
node2.query("SYSTEM START REPLICATION QUEUES")
|
|
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM mt2", "1")
|
|
assert_eq_with_retry(node2, "SELECT SUM(id) FROM mt2", "777")
|
|
assert_eq_with_retry(node2, "SELECT COUNT() FROM system.replication_queue", "0")
|
|
|
|
|
|
def test_lost_last_part(start_cluster):
|
|
for node in [node1, node2]:
|
|
node.query(
|
|
"CREATE TABLE mt3 (id UInt64, p String) ENGINE ReplicatedMergeTree('/clickhouse/tables/t3', '{}') "
|
|
"ORDER BY tuple() PARTITION BY p SETTINGS cleanup_delay_period=1, cleanup_delay_period_random_add=1".format(
|
|
node.name
|
|
)
|
|
)
|
|
|
|
node1.query("SYSTEM STOP MERGES mt3")
|
|
node2.query("SYSTEM STOP REPLICATION QUEUES")
|
|
|
|
for i in range(1):
|
|
node1.query("INSERT INTO mt3 VALUES ({}, 'x')".format(i))
|
|
|
|
# actually not important
|
|
node1.query(
|
|
"ALTER TABLE mt3 UPDATE id = 777 WHERE 1", settings={"mutations_sync": "0"}
|
|
)
|
|
|
|
partition_id = node1.query("select partitionId('x')").strip()
|
|
remove_part_from_disk(node1, "mt3", "{}_0_0_0".format(partition_id))
|
|
|
|
# other way to detect broken parts
|
|
node1.query("CHECK TABLE mt3")
|
|
|
|
node1.query("SYSTEM START MERGES mt3")
|
|
|
|
for i in range(10):
|
|
result = node1.query("SELECT count() FROM system.replication_queue")
|
|
assert int(result) <= 2, "Have a lot of entries in queue {}".format(
|
|
node1.query("SELECT * FROM system.replication_queue FORMAT Vertical")
|
|
)
|
|
if node1.contains_in_log("Cannot create empty part") and node1.contains_in_log(
|
|
"DROP/DETACH PARTITION"
|
|
):
|
|
break
|
|
if node1.contains_in_log(
|
|
"Created empty part 8b8f0fede53df97513a9fb4cb19dc1e4_0_0_0 "
|
|
):
|
|
break
|
|
time.sleep(1)
|
|
else:
|
|
assert False, "Don't have required messages in node1 log"
|
|
|
|
node1.query("ALTER TABLE mt3 DROP PARTITION ID '{}'".format(partition_id))
|
|
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM mt3", "0")
|
|
assert_eq_with_retry(node1, "SELECT COUNT() FROM system.replication_queue", "0")
|