Input should be as below: company sales amazon 100 flipkart 900 ebay 890 amazon 100 flipkart 100 ebay 10 amazon 100 flipkart 90 ebay 10 And expected output should be as below: amazon flipkart ebay 300 1090 910 Tried using…
I'm trying to initialize a PySpark cluster with a Jupyter Notebook on my local machine running Linux Mint. I am following this tutorial. When I try to create a SparkSession, I get an error that spark-submit does not exist. Strangely,…
I am new to Zeppelin and Pyspark. I have tried in vain to get Zeppelin to run with Pyspark. My setup: 4 x Raspberry 4(8GB) Ubuntu Server 64bit 20.04 Hadoop: 3.2.2 Yarn Spark 3.1.1 & Hadoop integrated Zeppelin 0.9 Pi01…
I'm trying to learn PySpark better and I'm streaming tweets and trying to capture the hashtags from the tweet's text (I know twitter API's json already provides the hashtags, I'm doing this as an excercise). So with a pyspark dataframe…
I have installed the following jar in databricks "com.redislabs:spark-redis_2.12:2.5.0". And trying create a spark session with the respective authentications Below is the code where I create a spark session with creds redis= SparkSession.builder.appName("redis_connection").config("spark.redis.host", "hostname").config("spark.redis.port", "port").config("spark.redis.auth", "pass").getOrCreate() But when I try…
I'm trying to read the data from Cassandra and write to Redis of a specific index. let's say Redis DB 5. I need to write all data into Redis DB index 5 in the hashmap format. val spark = SparkSession.builder()…
I'm new to Kafka streaming. I setup a twitter listener using python and it is running in the localhost:9092 kafka server. I could consume the stream produced by the listener using a kafka client tool (conduktor) and also using the…
Environment: Python : 3.6.8 OS: CentOS 7 Spark: 2.4.5 Hadoop:2.7.7 Hardware: 3 computers (8 VCores available for each computer on hadoop cluster) I constructed a simple python application. And my code is: import numpy as np from pyspark.sql import SparkSession…
I have a server with redis and maven configured I then do the following sparkSession spark = pyspark .sql .SparkSession .builder .master('local[4]') .appName('try_one_core') .config("spark.redis.host", "XX.XXX.XXX.XXX") .config("spark.redis.port", "6379") .config("spark.redis.auth", "XXXX") .getOrCreate() I am trying to connect to a remote redis server…
I just started the testing of Kafka Stream to Spark using Pyspark library. I have been running the whole setup on Jupyter Notebook. I am trying to get data from the Twitter Streaming. Twitter Streaming Code: import json import tweepy…