What is the command to check the number of cores in Spark

0 votes

My spark.cores.max property is 24 and I have 3 worker nodes. Once I log into my worker node, I can see one process running which is the consuming CPU. I think it is not using all the 8 cores. How can I check the number of cores?

May 17, 2018 in Big Data Hadoop by code799
 • 7,026 views

1 answer to this question.

0 votes

Go to your Spark Web UI & you can see you’re the number of cores over there:

image

answered May 17, 2018 by Shubham
 • 13,490 points

Related Questions In Big Data Hadoop

0 votes
1 answer

What is the command to count number of lines in a file in hdfs?

hadoop fs -cat /example2/doc1 | wc -l READ MORE

answered Nov 22, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 4,034 views
0 votes
1 answer

What is the command to know the details of your data created in a table in Hive?

Hey, Yes, there is a way to check ...READ MORE

answered May 15, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,486 views
0 votes
1 answer

I have to ingest in hadoop cluster large number of files for testing , what is the best way to do it?

Hi@sonali, It depends on what kind of testing ...READ MORE

answered Jul 8, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,218 views
0 votes
2 answers

Command to check the Hadoop distribution as well as it’s version which is installed in my cluster

One of the options to check the ...READ MORE

answered Apr 15, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 5,560 views
+1 vote
2 answers

How do I get number of columns in each line from a delimited file??

Instead of spliting on '\n'. You should ...READ MORE

answered Aug 7, 2019 in Apache Spark by ashish
 • 5,528 views
0 votes
1 answer

Is it possible to run Apache Spark without Hadoop?

Though Spark and Hadoop were the frameworks designed ...READ MORE

answered May 3, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,251 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
 • 11,380 points • 11,032 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 108,852 views
0 votes
5 answers

What is the HDFS command to list all the files in HDFS according to the timestamp?

You can try filter using value in ...READ MORE

answered Dec 7, 2018 in Big Data Hadoop by Lenny
 • 74,067 views
0 votes
11 answers

What is the command to start Job history server in Hadoop 2.x & how to get its UI?

mr-jobhistory-daemon. sh start historyserver READ MORE

answered Jul 24, 2019 in Big Data Hadoop by Lokesh Singh
 • 21,078 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP
"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.