Recent questions tagged big-data

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1 answer

How many executors run when dynamic allocation is enabled?

Mar 13, 2019 in Apache Spark by Tina
 • 1,010 views
0 votes
1 answer

Remove idle executor automatically

Mar 12, 2019 in Apache Spark by Suman
 • 1,620 views
0 votes
1 answer

How to enable dynamic resource allocation in Spark?

Mar 12, 2019 in Apache Spark by Tina
 • 2,070 views
0 votes
1 answer

How to set stage abort in Spark?

Mar 12, 2019 in Apache Spark by Rishi
 • 1,377 views
0 votes
1 answer

How to prevent executor from self-destructing?

Mar 12, 2019 in Apache Spark by Shaan
 • 1,375 views
0 votes
1 answer

How to monitor interrupted Spark tasks?

Mar 12, 2019 in Apache Spark by Stephen
 • 1,019 views
0 votes
1 answer

How to set cpu cores for spark task?

Mar 12, 2019 in Apache Spark by Prateek
 • 4,589 views
0 votes
1 answer

When is speculation enabled in Spark?

Mar 12, 2019 in Apache Spark by Rajat
 • 1,479 views
0 votes
1 answer

How to set time for task speculation?

Mar 12, 2019 in Apache Spark by Sanam
 • 665 views
0 votes
1 answer

How to relaunch tasks that are running slowly?

Mar 12, 2019 in Apache Spark by Kiran
 • 886 views
0 votes
1 answer

How to automatically kill executors on blacklisting?

Mar 12, 2019 in Apache Spark by Uma
 • 1,339 views
0 votes
1 answer

Increasing retry before blacklisting a node

Mar 12, 2019 in Apache Spark by karan
 • 699 views
0 votes
1 answer

Increasing retry before blacklisting executor

Mar 12, 2019 in Apache Spark by Jashn
 • 1,238 views
0 votes
1 answer

Changing the blacklist time of executor

Mar 12, 2019 in Apache Spark by Karan
 • 1,591 views
0 votes
1 answer

How can I run a blacklisted task?

Mar 12, 2019 in Apache Spark by Uma
 • 1,315 views
0 votes
1 answer

How to increase Spark listener bus event queue capacity?

Mar 12, 2019 in Apache Spark by Khan
 • 7,660 views
0 votes
1 answer

How to change scheduling mode in Spark?

Mar 12, 2019 in Apache Spark by John
 • 2,504 views
0 votes
1 answer

How to make Spark skip node locality?

Mar 11, 2019 in Apache Spark by Chandu'
 • 1,275 views
0 votes
1 answer

How to increase wait time to launch data-local task?

Mar 11, 2019 in Apache Spark by Kara
 • 706 views
0 votes
1 answer

How to limit the cores being used by a cluster?

Mar 11, 2019 in Apache Spark by Tina
 • 1,059 views
0 votes
1 answer

How to make Spark wait for more time for acknowledgement?

Mar 11, 2019 in Apache Spark by Rishi
 • 2,771 views
0 votes
1 answer

How to change block manager port for driver only?

Mar 10, 2019 in Apache Spark by Vishal
 • 1,355 views
0 votes
1 answer

Changing port for Block Managers

Mar 10, 2019 in Apache Spark by Girish
 • 688 views
0 votes
1 answer

How to change commiter algorithm version in Spark?

Mar 10, 2019 in Apache Spark by tina
 • 3,665 views
0 votes
1 answer

How to disable existing directory check?

Mar 10, 2019 in Apache Spark by Hanam
 • 919 views
0 votes
1 answer

Not able to clone Hadoop configuration.

Mar 10, 2019 in Apache Spark by Joshi
 • 1,315 views
0 votes
1 answer

SparkContext.addFile() not able to update file.

Mar 10, 2019 in Apache Spark by Suri
 • 3,830 views
0 votes
1 answer

How to disable executor from fetching file from cache?

Mar 10, 2019 in Apache Spark by Suri
 • 2,664 views
0 votes
1 answer

How to make driver update metrics quickly to executor?

Mar 10, 2019 in Apache Spark by Shaan
 • 920 views
0 votes
1 answer

How to disable broadcast checksum?

Mar 9, 2019 in Apache Spark by Ruth
 • 958 views
+1 vote
3 answers

map() vs flatMap() in Spark

Mar 8, 2019 in Apache Spark by Tina
 • 39,119 views
0 votes
1 answer

Cache() vs persist() in Spark

Mar 8, 2019 in Apache Spark by Esha
 • 11,114 views
0 votes
1 answer

Array of RDD

Mar 8, 2019 in Apache Spark by Giri
 • 1,866 views
0 votes
1 answer

What is Spark Core?

Mar 8, 2019 in Apache Spark by Ritu
 • 3,754 views
0 votes
1 answer

Components of Spark

Mar 8, 2019 in Apache Spark by Giri
 • 863 views
0 votes
1 answer

Unable to run import script using sqoop

Mar 8, 2019 in Big Data Hadoop by Shri
 • 945 views
0 votes
1 answer

Whenever I try to start the yarn daemon. ./start-dfs.sh it says access denied I have even tried changing the file permissions but it didn't work.

Mar 8, 2019 in Big Data Hadoop by Kunal
 • 120 points • 5,117 views
0 votes
1 answer

How to increase Garbage Collection speed?

Mar 8, 2019 in Apache Spark by Rohan
 • 1,774 views
0 votes
1 answer

How to increase Spark memory for execution?

Mar 7, 2019 in Apache Spark by Rishi
 • 1,330 views
0 votes
1 answer

How to compress serialized RDD partition?

Mar 7, 2019 in Apache Spark by Rajath
 • 1,923 views
0 votes
1 answer

Getting "buffer limit exceeded" exception inside Kryo.

Mar 7, 2019 in Apache Spark by Firoz
 • 1,629 views
0 votes
1 answer

How to change default Spark dashboard port?

Mar 6, 2019 in Apache Spark by Tina
 • 1,533 views
0 votes
1 answer

What port the Spark dashboard run on?

Mar 6, 2019 in Apache Spark by Firoz
 • 978 views
0 votes
1 answer

How to delay live entity updates on Spark ?

Mar 6, 2019 in Apache Spark by Ritu
 • 895 views
0 votes
1 answer

Prevent jobs to be killed from Web UI

Mar 6, 2019 in Apache Spark by Madhu
 • 933 views
0 votes
1 answer

Disable Web UI for Spark Application

Mar 6, 2019 in Apache Spark by Roshan
 • 3,803 views
0 votes
1 answer

Spark logs not overwriting

Mar 6, 2019 in Apache Spark by Sharan
 • 1,335 views
0 votes
1 answer

How to enable Spark event logging?

Mar 6, 2019 in Apache Spark by Ratan
 • 3,062 views
0 votes
1 answer

How to change the location of Spark event logs?

Mar 6, 2019 in Apache Spark by Sanam
 • 4,779 views
0 votes
1 answer

Spark event log location

Mar 6, 2019 in Apache Spark by Prateek
 • 882 views
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