add a demo for inserting data with python multiple threads

tests/pytest/insert/restfulInsert.py

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