TDengine/test/cases/02-Databases/01-Create/test_db_retention.py

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8.6 KiB
Python

###################################################################
# Copyright (c) 2016 by TAOS Technologies, Inc.
# All rights reserved.
#
# This file is proprietary and confidential to TAOS Technologies.
# No part of this file may be reproduced, stored, transmitted,
# disclosed or used in any form or by any means other than as
# expressly provided by the written permission from Jianhui Tao
#
###################################################################
# -*- coding: utf-8 -*-
from new_test_framework.utils import tdLog, tdSql, tdDnodes, tdCom
from datetime import datetime, timedelta
import glob
import os
import time
import subprocess
import platform
class TestDbRetention:
def setup_class(cls):
tdLog.debug("start to execute %s" % __file__)
cls.dnode_path = tdCom.getTaosdPath()
cls.cfg_path = os.path.join(cls.dnode_path, 'cfg')
if platform.system() == 'Windows':
cls.cfg_path = cls.cfg_path.replace('\\', '\\\\')
cls.log_path = os.path.join(cls.dnode_path, 'log')
cls.db_name = 'test'
cls.vgroups = 10
def _prepare_env1(self):
tdLog.info("============== prepare environment 1 ===============")
level_0_path = os.path.join(self.dnode_path, 'data00')
cfg = {
level_0_path: 'dataDir',
}
tdSql.createDir(level_0_path)
tdDnodes.stop(1)
tdDnodes.deploy(1, cfg)
tdDnodes.start(1)
def _prepare_env2(self):
tdLog.info("============== prepare environment 2 ===============")
level_0_path = os.path.join(self.dnode_path, 'data00')
level_1_path = os.path.join(self.dnode_path, 'data01')
cfg = {
f'{level_0_path}': 'dataDir',
f'{level_1_path} 1 0': 'dataDir',
}
tdSql.createDir(level_1_path)
tdDnodes.stop(1)
tdDnodes.deploy(1, cfg)
tdDnodes.start(1)
def _write_bulk_data(self):
tdLog.info("============== write bulk data ===============")
json_content = f"""
{{
"filetype": "insert",
"cfgdir": "{self.cfg_path}",
"host": "localhost",
"port": 6030,
"user": "root",
"password": "taosdata",
"connection_pool_size": 8,
"thread_count": 16,
"create_table_thread_count": 10,
"result_file": "./insert_res.txt",
"confirm_parameter_prompt": "no",
"insert_interval": 0,
"interlace_rows": 5,
"num_of_records_per_req": 1540,
"prepared_rand": 10000,
"chinese": "no",
"databases": [
{{
"dbinfo": {{
"name": "{self.db_name}",
"drop": "yes",
"vgroups": {self.vgroups},
"duration": "1d",
"keep": "3d,6d",
"wal_retention_period": 0,
"stt_trigger": 1
}},
"super_tables": [
{{
"name": "stb",
"child_table_exists": "no",
"childtable_count": 1000,
"childtable_prefix": "ctb",
"escape_character": "yes",
"auto_create_table": "no",
"batch_create_tbl_num": 500,
"data_source": "rand",
"insert_mode": "taosc",
"non_stop_mode": "no",
"line_protocol": "line",
"insert_rows": 10000,
"childtable_limit": 10,
"childtable_offset": 100,
"interlace_rows": 0,
"insert_interval": 0,
"partial_col_num": 0,
"disorder_ratio": 0,
"disorder_range": 1000,
"timestamp_step": 40000,
"start_timestamp": "{(datetime.now() - timedelta(days=5)).strftime('%Y-%m-%d %H:%M:%S')}",
"use_sample_ts": "no",
"tags_file": "",
"columns": [
{{
"type": "bigint",
"count": 10
}}
],
"tags": [
{{
"type": "TINYINT",
"name": "groupid",
"max": 10,
"min": 1
}},
{{
"name": "location",
"type": "BINARY",
"len": 16,
"values": [
"beijing",
"shanghai"
]
}}
]
}}
]
}}
]
}}
"""
json_file = os.path.join(os.path.dirname(__file__), "test.json")
with open(json_file, 'w') as f:
f.write(json_content)
# Use subprocess.run() to wait for the command to finish
subprocess.run(f'taosBenchmark -f {json_file}', shell=True, check=True)
def _check_retention(self):
for vgid in range(2, 2+self.vgroups):
tsdb_path = self.dnode_path+f'/data01/vnode/vnode{vgid}/tsdb'
# check the path should not be empty
if not os.listdir(tsdb_path):
tdLog.error(f'{tsdb_path} is empty')
assert False
def do_retention_test(self):
self._prepare_env1()
self._write_bulk_data()
tdSql.execute(f'flush database {self.db_name}')
tdDnodes.stop(1)
self._prepare_env2()
tdSql.execute(f'trim database {self.db_name}')
time.sleep(10)
self._check_retention()
tdLog.success("%s successfully executed" % __file__)
print("do retention .......................... [passed]")
#
# ------------------- retention2 ----------------
#
def init_class(self):
self.dnode_path = tdCom.getTaosdPath()
self.cfg_path = f'{self.dnode_path}/cfg'
self.log_path = f'{self.dnode_path}/log'
self.db_name = 'test'
self.vgroups = 10
def _prepare_env3(self):
tdLog.info("============== prepare environment 3 ===============")
level0_paths = [
os.path.join(self.dnode_path, "data00"),
os.path.join(self.dnode_path, "data01"),
# f'{self.dnode_path}/data02',
]
cfg = {
f"{level0_paths[0]} 0 1": 'dataDir',
f"{level0_paths[1]} 0 0": 'dataDir',
# f"{level0_paths[2]} 0 0": 'dataDir',
}
for path in level0_paths:
tdSql.createDir(path)
tdDnodes.stop(1)
tdDnodes.deploy(1, cfg)
tdDnodes.start(1)
def _create_db_write_and_flush(self, dbname):
tdSql.execute(f'create database {dbname} vgroups 1 stt_trigger 1')
tdSql.execute(f'use {dbname}')
tdSql.execute(f'create table t1 (ts timestamp, a int) ')
tdSql.execute(f'create table t2 (ts timestamp, a int) ')
now = int(datetime.now().timestamp() * 1000)
for i in range(1000):
tdSql.execute(f'insert into t1 values ({now + i}, {i})')
tdSql.execute(f'flush database {dbname}')
for i in range(1):
tdSql.execute(f'insert into t2 values ({now + i}, {i})')
tdSql.execute(f'flush database {dbname}')
def do_retention_test2(self):
self.init_class()
self._prepare_env3()
for dbname in [f'db{i}' for i in range(0, 20)]:
self._create_db_write_and_flush(dbname)
data_dir0 = os.path.join(self.dnode_path, 'data00')
num_files1 = len(glob.glob(os.path.join(data_dir0, '**', 'v*.data'), recursive=True))
data_dir1 = os.path.join(self.dnode_path, 'data01')
num_files2 = len(glob.glob(os.path.join(data_dir1, '**', 'v*.data'), recursive=True))
tdSql.checkEqual(num_files1, num_files2)
print("do retention2 ......................... [passed]")
#
# ------------------- main ----------------
#
def test_db_retention(self):
"""Databases retention
1. Prepare environment with single level data directories
2. Write bulk data into database with retention policy
3. Switch to multi-level data directories
4. Trim database to trigger retention
5. Check data directories to verify retention is executed correctly
Since: v3.0.0.0
Labels: common,ci
Jira: None
History:
- 2025-11-03 Alex Duan Migrated from uncatalog/system-test/0-others/test_retention.py
"""
self.do_retention_test()
self.do_retention_test2()