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https://github.com/ClickHouse/ClickHouse.git
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91 lines
3.6 KiB
Python
91 lines
3.6 KiB
Python
import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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from helpers.network import PartitionManager
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def fill_nodes(nodes, shard):
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for node in nodes:
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node.query(
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'''
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CREATE DATABASE test;
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CREATE TABLE test.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/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;
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'''.format(shard=shard, replica=node.name))
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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fill_nodes([node1, node2], 1)
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yield cluster
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except Exception as ex:
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print(ex)
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finally:
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cluster.shutdown()
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def test_readonly_metrics(start_cluster):
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'") == "0\n"
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with PartitionManager() as pm:
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## make node1 readonly -> heal -> readonly -> heal -> detach table -> heal -> attach table
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pm.drop_instance_zk_connections(node1)
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assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "1\n", retry_count=300, sleep_time=1)
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pm.heal_all()
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assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "0\n", retry_count=300, sleep_time=1)
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pm.drop_instance_zk_connections(node1)
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assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "1\n", retry_count=300, sleep_time=1)
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node1.query("DETACH TABLE test.test_table")
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assert "0\n" == node1.query("SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'")
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pm.heal_all()
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node1.query("ATTACH TABLE test.test_table")
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assert_eq_with_retry(node1, "SELECT value FROM system.metrics WHERE metric = 'ReadonlyReplica'", "0\n", retry_count=300, sleep_time=1)
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#For LowCardinality-columns, the bytes for N rows is not N*size of 1 row.
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def test_metrics_storage_buffer_size(start_cluster):
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node1.query('''
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CREATE TABLE test.test_mem_table
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(
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`str` LowCardinality(String)
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)
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ENGINE = Memory;
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CREATE TABLE test.buffer_table
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(
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`str` LowCardinality(String)
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)
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ENGINE = Buffer('test', 'test_mem_table', 1, 600, 600, 1000, 100000, 100000, 10000000);
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''')
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#before flush
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node1.query("INSERT INTO test.buffer_table VALUES('hello');")
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferRows'") == "1\n"
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferBytes'") == "24\n"
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node1.query("INSERT INTO test.buffer_table VALUES('hello');")
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferRows'") == "2\n"
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferBytes'") == "25\n"
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#flush
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node1.query("OPTIMIZE TABLE test.buffer_table")
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferRows'") == "0\n"
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assert node1.query("SELECT value FROM system.metrics WHERE metric = 'StorageBufferBytes'") == "0\n"
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