homework-jianmu/tests/pytest/dbmgmt/createTableAndKillDnodes.py

173 lines
5.6 KiB
Python

# -*- coding: utf-8 -*-
import sys
import taos
import threading
import traceback
import random
import datetime
from util.log import *
from util.cases import *
from util.sql import *
from util.dnodes import *
class TDTestCase:
def init(self):
tdLog.debug("start to execute %s" % __file__)
tdLog.info("prepare cluster")
tdDnodes.stopAll()
tdDnodes.deploy(1)
tdDnodes.start(1)
self.conn = taos.connect(config=tdDnodes.getSimCfgPath())
tdSql.init(self.conn.cursor())
tdSql.execute('reset query cache')
tdSql.execute('create dnode 192.168.0.2')
tdDnodes.deploy(2)
tdDnodes.start(2)
tdSql.execute('create dnode 192.168.0.3')
tdDnodes.deploy(3)
tdDnodes.start(3)
time.sleep(3)
self.db = "db"
self.stb = "stb"
self.tbPrefix = "tb"
self.tbNum = 100000
self.count = 0
# self.conn = taos.connect(config=tdDnodes.getSimCfgPath())
self.threadNum = 1
# threadLock = threading.Lock()
# global counter for number of tables created by all threads
self.global_counter = 0
tdSql.init(self.conn.cursor())
def _createTable(self, threadId):
print("Thread%d : createTable" % (threadId))
conn = taos.connect(config=tdDnodes.getSimCfgPath())
cursor = conn.cursor()
i = 0
try:
sql = "use %s" % (self.db)
cursor.execute(sql)
while i < self.tbNum:
if (i % self.threadNum == threadId):
cursor.execute(
"create table tb%d using %s tags(%d)" %
(i + 1, self.stb, i + 1))
with threading.Lock():
self.global_counter += 1
time.sleep(0.01)
i += 1
except Exception as e:
tdLog.info(
"Failure when creating table tb%d, exception: %s" %
(i + 1, str(e)))
finally:
cursor.close()
conn.close()
def _interfereDnodes(self, threadId, dnodeId):
# interfere dnode while creating table
print("Thread%d to interfere dnode%d" % (threadId, dnodeId))
percent = 0.05
loop = int(1 / (2 * percent))
for t in range(1, loop):
while self.global_counter < self.tbNum * (t * percent):
time.sleep(0.2)
tdDnodes.forcestop(dnodeId)
while self.global_counter < self.tbNum * ((t + 1) * percent):
time.sleep(0.2)
tdDnodes.start(dnodeId)
# while self.global_counter < self.tbNum * 0.05:
# time.sleep(0.2)
# tdDnodes.forcestop(dnodeId)
# while self.global_counter < self.tbNum * 0.10:
# time.sleep(0.2)
# tdDnodes.start(dnodeId)
# while self.global_counter < self.tbNum * 0.15:
# time.sleep(0.2)
# tdDnodes.forcestop(dnodeId)
# while self.global_counter < self.tbNum * 0.20:
# time.sleep(0.2)
# tdDnodes.start(dnodeId)
# while self.global_counter < self.tbNum * 0.25:
# time.sleep(0.2)
# tdDnodes.forcestop(dnodeId)
# while self.global_counter < self.tbNum * 0.30:
# time.sleep(0.2)
# tdDnodes.start(dnodeId)
# while self.global_counter < self.tbNum * 0.35:
# time.sleep(0.2)
# tdDnodes.forcestop(dnodeId)
# while self.global_counter < self.tbNum * 0.40:
# time.sleep(0.2)
# tdDnodes.start(dnodeId)
# while self.global_counter < self.tbNum * 0.45:
# time.sleep(0.2)
# tdDnodes.forcestop(dnodeId)
# while self.global_counter < self.tbNum * 0.50:
# time.sleep(0.2)
# tdDnodes.start(dnodeId)
def run(self):
tdLog.info("================= creating database with replica 2")
threadId = 0
threads = []
try:
tdSql.execute("drop database if exists %s" % (self.db))
tdSql.execute(
"create database %s replica 2 cache 1024 ablocks 2.0 tblocks 4 tables 1000" %
(self.db))
tdLog.sleep(3)
tdSql.execute("use %s" % (self.db))
tdSql.execute(
"create table %s (ts timestamp, c1 bigint, stime timestamp) tags(tg1 bigint)" %
(self.stb))
tdLog.info("Start to create tables")
while threadId < self.threadNum:
tdLog.info("Thread-%d starts to create tables" % (threadId))
cThread = threading.Thread(
target=self._createTable,
name="thread-%d" %
(threadId),
args=(
threadId,
))
cThread.start()
threads.append(cThread)
threadId += 1
except Exception as e:
tdLog.info("Failed to create tb%d, exception: %s" % (i, str(e)))
# tdDnodes.stopAll()
finally:
time.sleep(1)
threading.Thread(
target=self._interfereDnodes,
name="thread-interfereDnode%d" %
(3),
args=(
1,
3,
)).start()
for t in range(len(threads)):
tdLog.info("Join threads")
# threads[t].start()
threads[t].join()
tdSql.query("show stables")
tdSql.checkData(0, 4, self.tbNum)
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addCluster(__file__, TDTestCase())