mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 05:52:05 +00:00
136 lines
4.6 KiB
Python
136 lines
4.6 KiB
Python
#!/usr/bin/env python3
|
|
|
|
|
|
import pytest
|
|
import time
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.network import PartitionManager
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
import random
|
|
import string
|
|
import json
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance("node1", with_zookeeper=True)
|
|
node2 = cluster.add_instance("node2", with_zookeeper=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def get_random_string(length):
|
|
return "".join(
|
|
random.choice(string.ascii_uppercase + string.digits) for _ in range(length)
|
|
)
|
|
|
|
|
|
def test_system_replicated_fetches(started_cluster):
|
|
node1.query(
|
|
"CREATE TABLE t (key UInt64, data String) ENGINE = ReplicatedMergeTree('/clickhouse/test/t', '1') ORDER BY tuple()"
|
|
)
|
|
node2.query(
|
|
"CREATE TABLE t (key UInt64, data String) ENGINE = ReplicatedMergeTree('/clickhouse/test/t', '2') ORDER BY tuple()"
|
|
)
|
|
|
|
with PartitionManager() as pm:
|
|
node2.query("SYSTEM STOP FETCHES t")
|
|
node1.query(
|
|
"INSERT INTO t SELECT number, '{}' FROM numbers(10000)".format(
|
|
get_random_string(104857)
|
|
)
|
|
)
|
|
pm.add_network_delay(node1, 80)
|
|
node2.query("SYSTEM START FETCHES t")
|
|
fetches_result = []
|
|
for _ in range(1000):
|
|
result = json.loads(
|
|
node2.query("SELECT * FROM system.replicated_fetches FORMAT JSON")
|
|
)
|
|
if not result["data"]:
|
|
if fetches_result:
|
|
break
|
|
time.sleep(0.1)
|
|
else:
|
|
fetches_result.append(result["data"][0])
|
|
print(fetches_result[-1])
|
|
time.sleep(0.1)
|
|
|
|
node2.query("SYSTEM SYNC REPLICA t", timeout=10)
|
|
assert node2.query("SELECT COUNT() FROM t") == "10000\n"
|
|
|
|
for elem in fetches_result:
|
|
elem["bytes_read_compressed"] = float(elem["bytes_read_compressed"])
|
|
elem["total_size_bytes_compressed"] = float(elem["total_size_bytes_compressed"])
|
|
elem["progress"] = float(elem["progress"])
|
|
elem["elapsed"] = float(elem["elapsed"])
|
|
|
|
assert len(fetches_result) > 0
|
|
first_non_empty = fetches_result[0]
|
|
|
|
assert first_non_empty["database"] == "default"
|
|
assert first_non_empty["table"] == "t"
|
|
assert first_non_empty["source_replica_hostname"] == "node1"
|
|
assert first_non_empty["source_replica_port"] == 9009
|
|
assert first_non_empty["source_replica_path"] == "/clickhouse/test/t/replicas/1"
|
|
assert first_non_empty["interserver_scheme"] == "http"
|
|
assert first_non_empty["result_part_name"] == "all_0_0_0"
|
|
assert first_non_empty["result_part_path"].startswith("/var/lib/clickhouse/")
|
|
assert first_non_empty["result_part_path"].endswith("all_0_0_0/")
|
|
assert first_non_empty["partition_id"] == "all"
|
|
assert first_non_empty["URI"].startswith(
|
|
"http://node1:9009/?endpoint=DataPartsExchange"
|
|
)
|
|
|
|
for elem in fetches_result:
|
|
assert (
|
|
elem["bytes_read_compressed"] <= elem["total_size_bytes_compressed"]
|
|
), "Bytes read ({}) more than total bytes ({}). It's a bug".format(
|
|
elem["bytes_read_compressed"], elem["total_size_bytes_compressed"]
|
|
)
|
|
assert (
|
|
0.0 <= elem["progress"] <= 1.0
|
|
), "Progress shouldn't less than 0 and bigger than 1, got {}".format(
|
|
elem["progress"]
|
|
)
|
|
assert (
|
|
0.0 <= elem["elapsed"]
|
|
), "Elapsed time must be greater than 0, got {}".format(elem["elapsed"])
|
|
|
|
prev_progress = first_non_empty["progress"]
|
|
for elem in fetches_result:
|
|
assert (
|
|
elem["progress"] >= prev_progress
|
|
), "Progress decreasing prev{}, next {}? It's a bug".format(
|
|
prev_progress, elem["progress"]
|
|
)
|
|
prev_progress = elem["progress"]
|
|
|
|
prev_bytes = first_non_empty["bytes_read_compressed"]
|
|
for elem in fetches_result:
|
|
assert (
|
|
elem["bytes_read_compressed"] >= prev_bytes
|
|
), "Bytes read decreasing prev {}, next {}? It's a bug".format(
|
|
prev_bytes, elem["bytes_read_compressed"]
|
|
)
|
|
prev_bytes = elem["bytes_read_compressed"]
|
|
|
|
prev_elapsed = first_non_empty["elapsed"]
|
|
for elem in fetches_result:
|
|
assert (
|
|
elem["elapsed"] >= prev_elapsed
|
|
), "Elapsed time decreasing prev {}, next {}? It's a bug".format(
|
|
prev_elapsed, elem["elapsed"]
|
|
)
|
|
prev_elapsed = elem["elapsed"]
|
|
|
|
node1.query("DROP TABLE IF EXISTS t SYNC")
|
|
node2.query("DROP TABLE IF EXISTS t SYNC")
|