homework-jianmu/tools/auto/testCompression/testCompression.py

359 lines
9.6 KiB
Python

import taos
import sys
import os
import subprocess
import time
import random
import json
from datetime import datetime
###################################################################
# 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 -*-
dataDir = "/var/lib/taos/"
templateFile = "json/template.json"
Number = 0
resultContext = ""
def showLog(str):
print(str)
def exec(command, show=True):
if(show):
print(f"exec {command}\n")
return os.system(command)
def readFileContext(filename):
file = open(filename)
context = file.read()
file.close()
return context
def writeFileContext(filename, context):
file = open(filename, "w")
file.write(context)
file.close()
def appendFileContext(filename, context):
global resultContext
resultContext += context
try:
file = open(filename, "a")
wsize = file.write(context)
file.close()
except:
print(f"appand file error context={context} .")
# run return output and error
def run(command, show=True):
# out to file
out = "out.txt"
err = "err.txt"
ret = exec(command + f" 1>{out} 2>{err}", True)
# read from file
output = readFileContext(out)
error = readFileContext(err)
return output, error
# return list after run
def runRetList(command, first=True):
output,error = run(command)
if first:
return output.splitlines()
else:
return error.splitlines()
def getFolderSize(folder):
total_size = 0
for dirpath, dirnames, filenames in os.walk(folder):
for filename in filenames:
filepath = os.path.join(dirpath, filename)
total_size += os.path.getsize(filepath)
return total_size
def waitClusterAlive(loop):
for i in range(loop):
command = 'taos -s "show cluster alive\G;" '
out,err = run(command)
print(out)
if out.find("status: 1") >= 0:
showLog(f" i={i} wait cluster alive ok.\n")
return True
showLog(f" i={i} wait cluster alive ...\n")
time.sleep(1)
showLog(f" i={i} wait cluster alive failed.\n")
return False
def waitCompactFinish(loop):
for i in range(loop):
command = 'taos -s "show compacts;" '
out,err = run(command)
if out.find("Query OK, 0 row(s) in set") >= 0:
showLog(f" i={i} wait compact finish ok\n")
return True
showLog(f" i={i} wait compact ...\n")
time.sleep(1)
showLog(f" i={i} wait compact failed.\n")
return False
def getTypeName(datatype):
str1 = datatype.split(",")[0]
str2 = str1.split(":")[1]
str3 = str2.replace('"','').replace(' ','')
return str3
def getMatch(datatype, algo):
if algo == "tsz":
if datatype == "float" or datatype == "double":
return True
else:
return False
else:
return True
def generateJsonFile(algo):
# replace datatype
context = readFileContext(templateFile)
# replace compress
context = context.replace("@COMPRESS", algo)
# write to file
fileName = f"json/test_{algo}.json"
if os.path.exists(fileName):
os.remove(fileName)
writeFileContext(fileName, context)
return fileName
def taosdStart():
cmd = "nohup /usr/bin/taosd 2>&1 & "
ret = exec(cmd)
print(f"exec taosd ret = {ret}\n")
time.sleep(3)
waitClusterAlive(10)
def taosdStop():
i = 1
toBeKilled = "taosd"
killCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}' | xargs kill -TERM > /dev/null 2>&1" % toBeKilled
psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % toBeKilled
processID = subprocess.check_output(psCmd, shell=True)
while(processID):
os.system(killCmd)
time.sleep(1)
processID = subprocess.check_output(psCmd, shell=True)
print(f"i={i} kill taosd pid={processID}")
i += 1
def cleanAndStartTaosd():
# stop
taosdStop()
# clean
exec(f"rm -rf {dataDir}")
# start
taosdStart()
def findContextValue(context, label):
start = context.find(label)
if start == -1 :
return ""
start += len(label) + 2
# skip blank
while context[start] == ' ':
start += 1
# find end ','
end = start
ends = [',','}',']', 0]
while context[end] not in ends:
end += 1
return context[start:end]
def writeTemplateInfo(resultFile):
# create info
context = readFileContext(templateFile)
dbname = findContextValue(context, "name")
vgroups = findContextValue(context, "vgroups")
childCount = findContextValue(context, "childtable_count")
insertRows = findContextValue(context, "insert_rows")
line = f"vgroups = {vgroups}\nchildtable_count = {childCount}\ninsert_rows = {insertRows}\n\n"
print(line)
appendFileContext(resultFile, line)
return dbname
def totalCompressRate(algo, resultFile, writeSpeed, querySpeed):
global Number
loop = 30
while loop > 0:
loop -= 1
# flush database
command = 'taos -s "flush database dbrate;"'
exec(command)
time.sleep(1)
# read compress rate
command = 'taos -s "show table distributed dbrate.meters\G;"'
rets = runRetList(command)
print(rets)
str1 = rets[5]
arr = str1.split(" ")
# Total_Size KB
str2 = arr[2]
pos = str2.find("=[")
totalSize = int(float(str2[pos+2:])/1024)
# Compression_Ratio
str2 = arr[6]
pos = str2.find("=[")
rate = str2[pos+2:]
print("rate =" + rate)
if rate != "0.00":
break
# total data file size
#dataSize = getFolderSize(f"{dataDir}/vnode/")
#dataSizeMB = int(dataSize/1024/1024)
# appand to file
Number += 1
context = "%10s %10s %10s %10s %30s %15s\n"%( Number, algo, str(totalSize)+" MB", rate+"%", writeSpeed + " Records/second", querySpeed)
showLog(context)
appendFileContext(resultFile, context)
def testWrite(jsonFile):
command = f"taosBenchmark -f {jsonFile}"
output, context = run(command, 60000)
# SUCC: Spent 0.960248 (real 0.947154) seconds to insert rows: 100000 with 1 thread(s) into dbrate 104139.76 (real 105579.45) records/second
# find second real
pos = context.find("(real ")
if pos == -1:
print(f"error, run command={command} output not found first \"(real\" keyword. error={context}")
exit(1)
pos = context.find("(real ", pos + 5)
if pos == -1:
print(f"error, run command={command} output not found second \"(real\" keyword. error={context}")
exit(1)
pos += 5
length = len(context)
while pos < length and context[pos] == ' ':
pos += 1
end = context.find(".", pos)
if end == -1:
print(f"error, run command={command} output not found second \".\" keyword. error={context}")
exit(1)
speed = context[pos: end]
#print(f"write pos ={pos} end={end} speed={speed}\n output={context} \n")
# flush database
command = 'taos -s "flush database dbrate;"'
exec(command)
return speed
def testQuery():
command = f"taosBenchmark -f json/query.json"
lines = runRetList(command)
# INFO: Spend 6.7350 second completed total queries: 10, the QPS of all threads: 1.485
speed = None
for i in range(0, len(lines)):
# find second real
context = lines[i]
pos = context.find("the QPS of all threads:")
if pos == -1 :
continue
pos += 24
speed = context[pos:]
break
#print(f"query pos ={pos} speed={speed}\n output={context} \n")
if speed is None:
print(f"error, run command={command} output not found second \"the QPS of all threads:\" keyword. error={lines}")
exit(1)
else:
return speed
def doTest(algo, resultFile):
print(f"doTest algo: {algo} \n")
# json
jsonFile = generateJsonFile(algo)
# run taosBenchmark
t1 = time.time()
writeSpeed = testWrite(jsonFile)
t2 = time.time()
# total write speed
querySpeed = testQuery()
# total compress rate
totalCompressRate(algo, resultFile, writeSpeed, querySpeed)
def main():
# test compress method
algos = ["lz4", "zlib", "zstd", "xz", "disabled"]
#algos = ["lz4"]
# record result
resultFile = "./result.txt"
timestamp = time.time()
now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timestamp))
context = f"\n---------------------- test rate ({now}) ---------------------------------\n"
appendFileContext(resultFile, context)
# json info
writeTemplateInfo(resultFile)
# head
context = "\n%10s %10s %10s %10s %30s %15s\n"%("No", "compress", "dataSize", "rate", "writeSpeed", "query-QPS")
appendFileContext(resultFile, context)
# loop for all compression
for algo in algos:
# do test
doTest(algo, resultFile)
appendFileContext(resultFile, " \n")
timestamp = time.time()
now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timestamp))
appendFileContext(resultFile, f"\n{now} finished test!\n")
if __name__ == "__main__":
print("welcome use TDengine compress rate test tools.\n")
main()
# show result
print(resultContext)