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Multiprocessing CSV to Elastic
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from multiprocessing import Pool | |
import time | |
import os | |
import pandas as pd | |
from elasticsearch import Elasticsearch, helpers | |
def csvToElastic(file): | |
client = Elasticsearch("localhost:9200", http_compress=True) | |
header_list = ["Time", "Url", "Uri", "RemoteIP"] | |
esResult = [] | |
chunkCount = 0 | |
for data in pd.read_csv(file, sep=';', header=None, chunksize=100000, low_memory=False, encoding='utf-8', | |
escapechar='\\', usecols=[1, 11, 12, 15], names=header_list): | |
data["RemoteIP"] = data["RemoteIP"].str.split(':', expand=True)[0] | |
data["FileName"] = data["Uri"].str.split('/').str[-1] | |
data["AppCode"] = data["Url"].str.replace('(.*)appcode=(.*);', '\\2', regex=True).str.split(';').str[0] | |
indexName = "csv-log-" + file.split('/')[-2] + "-" + file.split('/')[-1] | |
indexName = indexName.replace('.log', '') | |
resp = helpers.bulk(client, data.to_dict(orient='records'), index=indexName, pipeline='geoip') | |
print(resp) | |
chunkCount += 100000 | |
print("Processed.... " + str(chunkCount)) | |
esResult.append(resp) | |
return esResult | |
if __name__ == '__main__': | |
with Pool(processes=6) as pool: | |
path = os.getcwd() + "/csv" | |
files = [os.path.join(root, file) for root, dirs, files in os.walk(path) for file in files if | |
file.endswith(".log")] | |
start = time.time() | |
print(pool.map(csvToElastic, files)) | |
print(time.time() - start) |
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