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June 1, 2021 17:57
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| from dask.distributed import Client, progress | |
| client = Client(threads_per_worker=8, n_workers=2) | |
| client | |
| import urllib | |
| import requests | |
| import aiohttp | |
| from pprint import pprint | |
| import dask | |
| import dask.dataframe as dd | |
| import pandas as pd | |
| from io import StringIO | |
| import io, pkgutil | |
| import csv | |
| client.cluster.scale(4) | |
| # disable SSL warnings | |
| import urllib3 | |
| urllib3.disable_warnings() | |
| #df = dd.read_csv(filename) | |
| baseurl = 'https://localhost:8089' | |
| userName = 'admin' | |
| password = 'welcome1' | |
| url = baseurl + '/servicesNS/admin/search/search/jobs/export' | |
| import dask.dataframe as dd | |
| results_dd = dd | |
| @dask.delayed | |
| def get_results(number_of_bins,filter_bin_num): | |
| #searchQuery = 'search source="2019-01-flights-full.csv.gz" index="flights" '+ \ | |
| searchQuery = 'search index="flights" '+ \ | |
| ' | eval bin_num=tonumber(substr(_cd,-3))%'+str(number_of_bins) + \ | |
| ' | where bin_num = '+str(filter_bin_num) + \ | |
| ' | table _time,ARR_DELAY,ARR_TIME,CANCELLED,DEP_DELAY_NEW,DEP_TIME,DEST,DEST_AIRPORT_ID,DEST_AIRPORT_SEQ_ID,DEST_CITY_MARKET_ID,DEST_CITY_NAME,ORIGIN_CITY_NAME' | |
| #' | head 10000 ' + \ | |
| body=urllib.parse.urlencode({'search': searchQuery,'output_mode':'csv'}) | |
| #r = requests.post(url, auth=(userName, password),verify = False,data=body) | |
| #payload = {'search': 'value1', 'key2': 'value2'} | |
| #params=payload | |
| r2 = requests.get(url, auth=(userName, password),verify = False,params=body) | |
| df = pd.read_csv(io.BytesIO((r2.content)),sep=',',header=0) | |
| return df | |
| #dd_temp = dd.from_pandas(df,chunksize=10000) | |
| #results_dd.append(dd_temp) | |
| #return dd_temp | |
| df = dd.from_delayed([get_results(20,i) for i in range(0,20)]) | |
| print(df.describe()) | |
| print(df.npartitions) | |
| pprint(df.size.compute()) |
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