add a demo for inserting data with python multiple threads
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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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import requests
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import threading
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import random
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import time
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class RestfulInsert:
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def init(self):
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self.header = {'Authorization': 'Basic cm9vdDp0YW9zZGF0YQ=='}
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self.url = "http://127.0.0.1:6041/rest/sql"
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self.ts = 1500000000000
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self.numOfThreads = 20
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self.numOfTables = 10000
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self.recordsPerTable = 10000
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self.batchSize = 1000
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self.tableNamePerfix = 't'
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def createTable(self, threadID):
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tablesPerThread = int (self.numOfTables / self.numOfThreads)
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print("create table %d to %d" % (tablesPerThread * threadID, tablesPerThread * (threadID + 1) - 1))
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for i in range(tablesPerThread):
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tableID = threadID * tablesPerThread
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name = 'beijing' if tableID % 2 == 0 else 'shanghai'
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data = "create table test.%s%d using test.meters tags(%d, '%s')" % (self.tableNamePerfix, tableID + i, tableID + i, name)
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requests.post(self.url, data, headers = self.header)
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def insertData(self, threadID):
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print("thread %d started" % threadID)
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tablesPerThread = int (self.numOfTables / self.numOfThreads)
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for i in range(tablesPerThread):
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tableID = i + threadID * tablesPerThread
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start = self.ts
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for j in range(int(self.recordsPerTable / self.batchSize)):
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data = "insert into test.%s%d values" % (self.tableNamePerfix, tableID)
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for k in range(self.batchSize):
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data += "(%d, %d, %d, %d)" % (start + j * self.batchSize + k, random.randint(1, 100), random.randint(1, 100), random.randint(1, 100))
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requests.post(self.url, data, headers = self.header)
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def run(self):
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data = "drop database if exists test"
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requests.post(self.url, data, headers = self.header)
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data = "create database test"
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requests.post(self.url, data, headers = self.header)
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data = "create table test.meters(ts timestamp, f1 int, f2 int, f3 int) tags(id int, loc nchar(20))"
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requests.post(self.url, data, headers = self.header)
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threads = []
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startTime = time.time()
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for i in range(self.numOfThreads):
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thread = threading.Thread(target=self.createTable, args=(i,))
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thread.start()
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threads.append(thread)
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for i in range(self.numOfThreads):
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threads[i].join()
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print("createing %d tables takes %d seconds" % (self.numOfTables, (time.time() - startTime)))
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print("inserting data =======")
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threads = []
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startTime = time.time()
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for i in range(self.numOfThreads):
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thread = threading.Thread(target=self.insertData, args=(i,))
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thread.start()
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threads.append(thread)
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for i in range(self.numOfThreads):
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threads[i].join()
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print("inserting %d records takes %d seconds" % (self.numOfTables * self.recordsPerTable, (time.time() - startTime)))
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ri = RestfulInsert()
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ri.init()
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ri.run()
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