VMScheduling/code/data_preview.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
@Auther :liuyuqi.gov@msn.cn
@Time :2018/7/5 0:56
@File :data_preview.py
'''

# 后台做图，不需要GUI
# %matplotlib inline
import matplotlib
matplotlib.use('Agg')
# 数据预览
import numpy as np,pandas as pd
import matplotlib.pyplot as plt

def for_df1():
    # 应用app表: 应用id/cpu占用量/内存占用/磁盘占用/P/M/PM等指标
    df1=pd.read_csv("../data/scheduling_preliminary_app_resources_20180606.csv", header=None,names=list(["appid", "cpu", "mem", "disk", "P", "M", "PM"]))
    print(df1.dtypes)
    # appid    object
    # cpu      object
    # mem      object
    # disk      int64
    # P         int64
    # M         int64
    # PM        int64
    print(df1.shape)
    # (9338, 7)
    # [5 rows x 7 columns]
    # print(df1.head())
    # app_3 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0....... 0 0
    tmp=df1["cpu"].str.split('|',expand=True).astype('float')
    # [5 rows x 98 columns]
    df1["cpu"]=tmp.T.mean().T #转置,求均值，再转置回来，这样求得一行的均值。

    tmp=df1["mem"].str.split('|',expand=True).astype('float')
    # [5 rows x 98 columns]
    df1["mem"]=tmp.T.mean().T #转置,求均值，再转置回来，这样求得一行的均值。
    print(df1.head())

def for_df2():
    # 主机表 ：宿主机id/ cpu规格/mem规格/disk规格/P上限/M上限/PM上限
    df2=pd.read_csv("../data/scheduling_preliminary_machine_resources_20180606.csv", header=None,names=list(
        ["machineid", "cpu", "mem", "disk", "P", "M", "PM"]))
    # df2 = pd.DataFrame(pd.read_csv("../data/scheduling_preliminary_machine_resources_20180606.csv", header=None),columns=list(["machineid", "cpu", "mem", "disk", "P", "M", "PM"]))
    print(df2.dtypes)
    # machineid    object
    # cpu      int
    # mem      int
    # disk      int64
    # P         int64
    # M         int64
    # PM        int64
    print(df2.shape)
    # (6000, 7)
    print(df2.head())
    # machine_3   32   64   600  7  3   7

def for_df3():
    # 主机machine/实例instance/应用app 关系表
    df2=pd.read_csv("../data/scheduling_preliminary_instance_deploy_20180606.csv", header=None,names=list(["instanceid", "appid", "machineid"]))
    print(df2.dtypes)
    print("df数据大小：",df2.shape)
    print("instance唯一数量：",df2["instanceid"].unique().shape)
    # print(df2["instanceid"])



def for_df4():
    # 主机和实例表。部署appid1的insterference最多可以部署n个appid2
    df=pd.DataFrame(pd.read_csv("../data/scheduling_preliminary_app_interference_20180606.csv",header=None),columns=list(["appid1","appid2","max_interference"]))
    # 查看数据类型
    # print(df.dtypes)
    print("df数据大小：",df.shape)

    # 查看头尾部数据
    # app_8361  app_2163  0
    # app_6585  app_8959  0
    # print(df.head())
    # print(df.tail())

    # 查看索引
    # print(df.index)
    # 查看所有列标
    # print(df.columns)
    # 查看所有数据
    # print(df.values)

    # 第一列
    # df[0].groupby()

    # 第二列

    # 第三列

    # 描述性统计
    print("数据预览：",df.describe())

    plt.plot(df["max_machine"])
    plt.savefig("../submit/fig1.png")