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
 • 977 views
0 votes
1 answer

Remove idle executor automatically

Mar 12, 2019 in Apache Spark by Suman
 • 1,590 views
0 votes
1 answer

How to enable dynamic resource allocation in Spark?

Mar 12, 2019 in Apache Spark by Tina
 • 2,029 views
0 votes
1 answer

How to set stage abort in Spark?

Mar 12, 2019 in Apache Spark by Rishi
 • 1,344 views
0 votes
1 answer

How to prevent executor from self-destructing?

Mar 12, 2019 in Apache Spark by Shaan
 • 1,337 views
0 votes
1 answer

How to monitor interrupted Spark tasks?

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

How to set cpu cores for spark task?

Mar 12, 2019 in Apache Spark by Prateek
 • 4,561 views
0 votes
1 answer

When is speculation enabled in Spark?

Mar 12, 2019 in Apache Spark by Rajat
 • 1,443 views
0 votes
1 answer

How to set time for task speculation?

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

How to relaunch tasks that are running slowly?

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

How to automatically kill executors on blacklisting?

Mar 12, 2019 in Apache Spark by Uma
 • 1,308 views
0 votes
1 answer

Increasing retry before blacklisting a node

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

Increasing retry before blacklisting executor

Mar 12, 2019 in Apache Spark by Jashn
 • 1,206 views
0 votes
1 answer

Changing the blacklist time of executor

Mar 12, 2019 in Apache Spark by Karan
 • 1,552 views
0 votes
1 answer

How can I run a blacklisted task?

Mar 12, 2019 in Apache Spark by Uma
 • 1,288 views
0 votes
1 answer

How to increase Spark listener bus event queue capacity?

Mar 12, 2019 in Apache Spark by Khan
 • 7,572 views
0 votes
1 answer

How to change scheduling mode in Spark?

Mar 12, 2019 in Apache Spark by John
 • 2,481 views
0 votes
1 answer

How to make Spark skip node locality?

Mar 11, 2019 in Apache Spark by Chandu'
 • 1,245 views
0 votes
1 answer

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

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

How to limit the cores being used by a cluster?

Mar 11, 2019 in Apache Spark by Tina
 • 1,022 views
0 votes
1 answer

How to make Spark wait for more time for acknowledgement?

Mar 11, 2019 in Apache Spark by Rishi
 • 2,741 views
0 votes
1 answer

How to change block manager port for driver only?

Mar 10, 2019 in Apache Spark by Vishal
 • 1,328 views
0 votes
1 answer

Changing port for Block Managers

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

How to change commiter algorithm version in Spark?

Mar 10, 2019 in Apache Spark by tina
 • 3,622 views
0 votes
1 answer

How to disable existing directory check?

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

Not able to clone Hadoop configuration.

Mar 10, 2019 in Apache Spark by Joshi
 • 1,291 views
0 votes
1 answer

SparkContext.addFile() not able to update file.

Mar 10, 2019 in Apache Spark by Suri
 • 3,783 views
0 votes
1 answer

How to disable executor from fetching file from cache?

Mar 10, 2019 in Apache Spark by Suri
 • 2,618 views
0 votes
1 answer

How to make driver update metrics quickly to executor?

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

How to disable broadcast checksum?

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

map() vs flatMap() in Spark

Mar 8, 2019 in Apache Spark by Tina
 • 39,056 views
0 votes
1 answer

Cache() vs persist() in Spark

Mar 8, 2019 in Apache Spark by Esha
 • 11,084 views
0 votes
1 answer

Array of RDD

Mar 8, 2019 in Apache Spark by Giri
 • 1,847 views
0 votes
1 answer

What is Spark Core?

Mar 8, 2019 in Apache Spark by Ritu
 • 3,734 views
0 votes
1 answer

Components of Spark

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

Unable to run import script using sqoop

Mar 8, 2019 in Big Data Hadoop by Shri
 • 927 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 • 5,041 views
0 votes
1 answer

How to increase Garbage Collection speed?

Mar 8, 2019 in Apache Spark by Rohan
 • 1,748 views
0 votes
1 answer

How to increase Spark memory for execution?

Mar 7, 2019 in Apache Spark by Rishi
 • 1,303 views
0 votes
1 answer

How to compress serialized RDD partition?

Mar 7, 2019 in Apache Spark by Rajath
 • 1,893 views
0 votes
1 answer

Getting "buffer limit exceeded" exception inside Kryo.

Mar 7, 2019 in Apache Spark by Firoz
 • 1,600 views
0 votes
1 answer

How to change default Spark dashboard port?

Mar 6, 2019 in Apache Spark by Tina
 • 1,490 views
0 votes
1 answer

What port the Spark dashboard run on?

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

How to delay live entity updates on Spark ?

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

Prevent jobs to be killed from Web UI

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

Disable Web UI for Spark Application

Mar 6, 2019 in Apache Spark by Roshan
 • 3,757 views
0 votes
1 answer

Spark logs not overwriting

Mar 6, 2019 in Apache Spark by Sharan
 • 1,294 views
0 votes
1 answer

How to enable Spark event logging?

Mar 6, 2019 in Apache Spark by Ratan
 • 3,019 views
0 votes
1 answer

How to change the location of Spark event logs?

Mar 6, 2019 in Apache Spark by Sanam
 • 4,737 views
0 votes
1 answer

Spark event log location

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