mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 21:51:57 +00:00
77 lines
2.8 KiB
Python
77 lines
2.8 KiB
Python
import time
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
|
|
def fill_nodes(nodes, shard):
|
|
for node in nodes:
|
|
node.query(
|
|
'''
|
|
CREATE TABLE test_table(date Date, id UInt32)
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/replicated', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date) SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
|
|
'''.format(shard=shard, replica=node.name))
|
|
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance('node1', with_zookeeper=True)
|
|
node2 = cluster.add_instance('node2', with_zookeeper=True)
|
|
node3 = cluster.add_instance('node3', with_zookeeper=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
fill_nodes([node1, node2, node3], 1)
|
|
|
|
yield cluster
|
|
|
|
except Exception as ex:
|
|
print(ex)
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_recovery(start_cluster):
|
|
node1.query("INSERT INTO test_table VALUES (1, 1)")
|
|
time.sleep(1)
|
|
node2.query("DETACH TABLE test_table")
|
|
|
|
for i in range(100):
|
|
node1.query("INSERT INTO test_table VALUES (1, {})".format(i))
|
|
|
|
node2.query_with_retry("ATTACH TABLE test_table",
|
|
check_callback=lambda x: len(node2.query("select * from test_table")) > 0)
|
|
|
|
assert_eq_with_retry(node2, "SELECT count(*) FROM test_table", node1.query("SELECT count(*) FROM test_table"))
|
|
lost_marker = "Will mark replica node2 as lost"
|
|
assert node1.contains_in_log(lost_marker) or node3.contains_in_log(lost_marker)
|
|
|
|
def test_choose_source_replica(start_cluster):
|
|
node3.query("INSERT INTO test_table VALUES (2, 1)")
|
|
time.sleep(1)
|
|
node2.query("DETACH TABLE test_table")
|
|
node1.query("SYSTEM STOP FETCHES test_table") # node1 will have many entries in queue, so node2 will clone node3
|
|
|
|
for i in range(100):
|
|
node3.query("INSERT INTO test_table VALUES (2, {})".format(i))
|
|
|
|
node2.query_with_retry("ATTACH TABLE test_table",
|
|
check_callback=lambda x: len(node2.query("select * from test_table")) > 0)
|
|
|
|
node1.query("SYSTEM START FETCHES test_table")
|
|
node1.query("SYSTEM SYNC REPLICA test_table")
|
|
node2.query("SYSTEM SYNC REPLICA test_table")
|
|
|
|
assert node1.query("SELECT count(*) FROM test_table") == node3.query("SELECT count(*) FROM test_table")
|
|
assert node2.query("SELECT count(*) FROM test_table") == node3.query("SELECT count(*) FROM test_table")
|
|
|
|
lost_marker = "Will mark replica node2 as lost"
|
|
assert node1.contains_in_log(lost_marker) or node3.contains_in_log(lost_marker)
|
|
assert node2.contains_in_log("Will mimic node3")
|
|
|