case : add walRetetion.py case
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Alex Duan
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333bbe73d5
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###################################################################
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# Copyright (c) 2016 by TAOS Technologies, Inc.
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# All rights reserved.
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#
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# This file is proprietary and confidential to TAOS Technologies.
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# No part of this file may be reproduced, stored, transmitted,
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# disclosed or used in any form or by any means other than as
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# expressly provided by the written permission from Jianhui Tao
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#
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###################################################################
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# -*- coding: utf-8 -*-
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#
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# The option for wal_retetion_period and wal_retention_size is work well
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#
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import taos
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from util.log import *
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from util.cases import *
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from util.sql import *
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from util.common import *
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from util.sqlset import *
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import os
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import threading
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import json
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import time
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from datetime import date
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from datetime import datetime
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from datetime import timedelta
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from os import path
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stopInsert = False
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#
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# -------------- util --------------------------
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#
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def pathSize(path):
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total_size = 0
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for dirpath, dirnames, filenames in os.walk(path):
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for i in filenames:
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# use join to concatenate all the components of path
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f = os.path.join(dirpath, i)
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# use getsize to generate size in bytes and add it to the total size
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total_size += os.path.getsize(f)
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# print(dirpath)
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print(" %s %.02f MB" % (path, total_size/1024/1024))
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return total_size
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# load json from file
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def jsonFromFile(jsonFile):
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fp = open(jsonFile)
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return json.load(fp)
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#
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# ----------------- class ------------------
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#
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# wal file object
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class WalFile:
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def __init__(self, pathFile, fileName):
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self.mtime = os.path.getmtime(pathFile)
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self.startVer = int(fileName)
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self.fsize = os.path.getsize(pathFile)
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self.endVer = -1
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self.pathFile = pathFile
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def needDelete(self, delTsLine):
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return True
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# VNode object
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class VNode :
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# init
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def __init__(self, dnodeId, path, walPeriod, walSize):
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self.path = path
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self.dnodeId = dnodeId
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self.vgId = 0
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self.snapVer = 0
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self.walPeriod = walPeriod
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self.walSize = walSize
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self.walFiles = []
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self.load(path)
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# load
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def load(self, path):
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# load wal
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walPath = os.path.join(path, "wal")
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metaFile = ""
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with os.scandir(walPath) as items:
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for item in items:
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if item.is_file():
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fileName, fileExt = os.path.splitext(item.name)
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pathFile = os.path.join(walPath, item)
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if fileExt == ".log":
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self.walFiles.append(WalFile(pathFile, fileName))
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elif fileExt == "":
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if fileName[:8] == "meta-ver":
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metaFile = pathFile
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# load config
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tdLog.info(f' meta-ver file={metaFile}')
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if metaFile != "":
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jsonVer = jsonFromFile(metaFile)
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metaNode = jsonVer["meta"]
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self.snapVer = int(metaNode["snapshotVer"])
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# sort with startVer
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self.walFiles = sorted(self.walFiles, key=lambda x : x.startVer, reverse=True)
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# set endVer
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startVer = -1
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for walFile in self.walFiles:
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if startVer == -1:
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startVer = walFile.startVer
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continue
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walFile.endVer = startVer - 1
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startVer = walFile.startVer
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# print total
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tdLog.info(f" ---- dnode{self.dnodeId} snapVer={self.snapVer} {self.path} --------")
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for walFile in self.walFiles:
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mt = datetime.fromtimestamp(walFile.mtime)
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tdLog.info(f" {walFile.pathFile} {mt} startVer={walFile.startVer} endVer={walFile.endVer}")
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# snapVer compare
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def canDelete(self, walFile):
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if walFile.endVer == -1:
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# end file
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return False
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if self.snapVer > walFile.endVer:
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return True
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return False
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# get log size
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def getWalsSize(self):
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size = 0
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for walFile in self.walFiles:
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size += walFile.fsize
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return size
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# vnode
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def check_retention(self):
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global stopInsert
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#
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# check period
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#
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delta = self.walPeriod
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if self.walPeriod == 0:
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delta += 1 * 60 # delete after 1 minutes
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elif self.walPeriod < 3600:
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delta += 3 * 60 # 5 minutes
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else:
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delta += 5 * 60 # 10 minutes
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delTsLine = datetime.now() - timedelta(seconds = delta)
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delTs = delTsLine.timestamp()
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for walFile in self.walFiles:
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mt = datetime.fromtimestamp(walFile.mtime)
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info = f" {walFile.pathFile} mt={mt} line={delTsLine} start={walFile.startVer} snap={self.snapVer} end= {walFile.endVer}"
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tdLog.info(info)
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if walFile.mtime < delTs and self.canDelete(walFile):
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# wait a moment then check file exist
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time.sleep(1)
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if os.path.exists(walFile.pathFile):
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#report error
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tdLog.exit(f" wal file expired need delete. \n {walFile.pathFile} \n modify time={mt} \n delTsLine={delTsLine}\n start={walFile.startVer} snap={self.snapVer} end= {walFile.endVer}")
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return False
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#
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# check size
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#
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if self.walSize == 0:
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return True
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vnodeSize = self.getWalsSize()
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if vnodeSize < self.walSize:
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tdLog.info(f" wal size valid. {self.path} real = {vnodeSize} set = {self.walSize} ")
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return True
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# check valid
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tdLog.info(f" wal size over set. {self.path} real = {vnodeSize} set = {self.walSize} ")
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for walFile in self.walFiles:
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if self.canDelete(walFile):
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# wait a moment then check file exist
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time.sleep(1)
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if os.path.exists(walFile.pathFile):
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tdLog.exit(f" wal file size over .\
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\n wal file = {walFile.pathFile}\
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\n snapVer = {self.snapVer}\
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\n real = {vnodeSize} bytes\
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\n set = {self.walSize} bytes")
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return False
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return True
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# insert by async
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def thread_insert(testCase, tbname, rows):
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print(f"start thread... {tbname} - {rows} \n")
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new_conn = testCase.new_connect()
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testCase.insert_data(tbname, rows, new_conn)
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new_conn.close()
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print("end thread\n")
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# case
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class TDTestCase:
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def init(self, conn, logSql, replicaVar=1):
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self.ts = 1670000000000
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self.replicaVar = int(replicaVar)
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tdLog.debug("start to execute %s" % __file__)
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tdSql.init(conn.cursor())
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self.setsql = TDSetSql()
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self.conn = conn
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# init cluster path
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projDir = __file__
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pos = projDir.find("tests")
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if pos != -1:
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self.projDir = projDir[:pos]
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else:
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self.projDir = __file__
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self.projDir += "sim/"
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# udf path
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self.udf_path = os.path.dirname(os.path.realpath(__file__)) + "/udfpy"
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self.column_dict = {
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'ts': 'timestamp',
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'col1': 'tinyint',
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'col2': 'smallint',
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'col3': 'int',
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'col4': 'bigint',
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'col5': 'tinyint unsigned',
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'col6': 'smallint unsigned',
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'col7': 'int unsigned',
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'col8': 'bigint unsigned',
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'col9': 'float',
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'col10': 'double',
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'col11': 'bool',
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'col12': 'varchar(120)',
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'col13': 'nchar(100)',
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}
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self.tag_dict = {
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't1': 'tinyint',
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't2': 'smallint',
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't3': 'int',
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't4': 'bigint',
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't5': 'tinyint unsigned',
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't6': 'smallint unsigned',
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't7': 'int unsigned',
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't8': 'bigint unsigned',
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't9': 'float',
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't10': 'double',
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't11': 'bool',
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't12': 'varchar(120)',
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't13': 'nchar(100)',
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}
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# malloc new connect
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def new_connect(self):
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return taos.connect(host = self.conn._host,
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user = self.conn._user,
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password = self.conn._password,
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database = self.dbname,
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port = self.conn._port,
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config = self.conn._config)
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def set_stb_sql(self,stbname,column_dict,tag_dict):
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column_sql = ''
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tag_sql = ''
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for k,v in column_dict.items():
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column_sql += f"{k} {v}, "
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for k,v in tag_dict.items():
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tag_sql += f"{k} {v}, "
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create_stb_sql = f'create stable {stbname} ({column_sql[:-2]}) tags ({tag_sql[:-2]})'
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return create_stb_sql
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def create_database(self, dbname, wal_period, wal_size_kb, vgroups):
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self.wal_period = wal_period
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self.wal_size = wal_size_kb * 1024
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self.vgroups = vgroups
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self.dbname = dbname
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tdSql.execute(f"create database {dbname} wal_retention_period {wal_period} wal_retention_size {wal_size_kb} vgroups {vgroups} replica 3")
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tdSql.execute(f'use {dbname}')
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# create stable and child tables
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def create_table(self, stbname, tbname, count):
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self.child_count = count
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self.stbname = stbname
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self.tbname = tbname
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# create stable
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create_table_sql = self.set_stb_sql(stbname, self.column_dict, self.tag_dict)
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tdSql.execute(create_table_sql)
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batch_size = 1000
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# create child table
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for i in range(count):
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ti = i % 128
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tags = f'{ti},{ti},{i},{i},{ti},{ti},{i},{i},{i}.000{i},{i}.000{i},true,"var{i}","nch{i}"'
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sql = f'create table {tbname}{i} using {stbname} tags({tags});'
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tdSql.execute(sql)
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if i % batch_size == 0:
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tdLog.info(f" create child table {i} ...")
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tdLog.info(f" create {count} child tables ok.")
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# insert to child table d1 data
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def insert_data(self, tbname, insertTime):
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global stopInsert
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start = time.time()
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values = ""
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child_name = ""
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cnt = 0
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rows = 10000000000
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for j in range(rows):
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for i in range(self.child_count):
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tj = j % 128
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cols = f'{tj},{tj},{j},{j},{tj},{tj},{j},{j},{j}.000{j},{j}.000{j},true,"var{j}","nch{j}涛思数据codepage is utf_32_le"'
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sql = f'insert into {tbname}{i} values ({self.ts},{cols});'
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tdSql.execute(sql)
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self.ts += 1
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#tdLog.info(f" child table={i} rows={j} insert data.")
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cost = time.time() - start
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if j % 100 == 0:
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tdSql.execute(f"flush database {self.dbname}")
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print(f' cost={cost} j ={j} \n')
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if cost > insertTime and j > 1000:
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tdLog.info(f" insert finished. cost time ={cost}s rows={j}")
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return
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# create tmq
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def create_tmq(self):
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sql = f"create topic topic1_{self.dbname} as select ts, col1, concat(col12,t12) from {self.stbname};"
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tdSql.execute(sql)
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sql = f"create topic topic2_{self.dbname} as select * from {self.stbname};"
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tdSql.execute(sql)
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#tdLog.info(sql)
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def check_retention(self):
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# flash database
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tdSql.execute(f"flush database {self.dbname}")
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time.sleep(0.5)
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vnodes = []
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# put all vnode to list
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for dnode in os.listdir(self.projDir):
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vnodeDir = self.projDir + f"{dnode}/data/vnode/"
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print(f"vnodeDir={vnodeDir}")
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# enum all vnode
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for entry in os.listdir(vnodeDir):
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entryPath = path.join(vnodeDir, entry)
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if os.path.isdir(entryPath):
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if path.exists(path.join(entryPath, "vnode.json")):
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try:
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vnode = VNode(i, entryPath, self.wal_period, self.wal_size)
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vnodes.append(vnode)
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except:
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continue
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# do check
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for vnode in vnodes:
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vnode.check_retention()
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# test db1
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def test_db(self, dbname, checkTime ,wal_period, wal_size_kb):
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global stopInsert
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# var
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stable = "meters"
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tbname = "d"
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vgroups = 4
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count = 10
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rows = 1000000
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# do
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self.create_database(dbname, wal_period, wal_size_kb, vgroups)
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self.create_table(stable, tbname, count)
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# create tmq
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self.create_tmq()
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# insert data
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self.insert_data(tbname, checkTime)
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#stopInsert = False
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#tobj = threading.Thread(target = thread_insert, args=(self, tbname, rows))
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#tobj.start()
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# check retention
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tdLog.info(f" -------------- do check retention ---------------")
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self.check_retention()
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# stop insert and wait exit
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tdLog.info(f" {dbname} stop insert ...")
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stopInsert = True
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tobj.join()
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tdLog.info(f" {dbname} test_db end.")
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# run
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def run(self):
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# period
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#self.test_db("db1", 10, 60, 0)
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# size
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#self.test_db("db2", 5, 10*24*3600, 2*1024) # 2M size
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# period + size
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self.test_db("db3", checkTime = 2*60, wal_period = 30, wal_size_kb=10)
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def stop(self):
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tdSql.close()
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tdLog.success("%s successfully executed" % __file__)
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tdCases.addWindows(__file__, TDTestCase())
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tdCases.addLinux(__file__, TDTestCase())
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