Recent questions tagged big-data

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How to monitor interrupted Spark tasks?

Mar 12, 2019 in Apache Spark by Stephen
 • 1,276 views
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1 answer

How to set cpu cores for spark task?

Mar 12, 2019 in Apache Spark by Prateek
 • 4,838 views
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1 answer

When is speculation enabled in Spark?

Mar 12, 2019 in Apache Spark by Rajat
 • 1,741 views
0 votes
1 answer

How to set time for task speculation?

Mar 12, 2019 in Apache Spark by Sanam
 • 873 views
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1 answer

How to relaunch tasks that are running slowly?

Mar 12, 2019 in Apache Spark by Kiran
 • 1,074 views
0 votes
1 answer

How to automatically kill executors on blacklisting?

Mar 12, 2019 in Apache Spark by Uma
 • 1,576 views
0 votes
1 answer

Increasing retry before blacklisting a node

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

Increasing retry before blacklisting executor

Mar 12, 2019 in Apache Spark by Jashn
 • 1,464 views
0 votes
1 answer

Changing the blacklist time of executor

Mar 12, 2019 in Apache Spark by Karan
 • 1,809 views
0 votes
1 answer

How can I run a blacklisted task?

Mar 12, 2019 in Apache Spark by Uma
 • 1,491 views
0 votes
1 answer

How to increase Spark listener bus event queue capacity?

Mar 12, 2019 in Apache Spark by Khan
 • 8,255 views
0 votes
1 answer

How to change scheduling mode in Spark?

Mar 12, 2019 in Apache Spark by John
 • 2,795 views
0 votes
1 answer

How to make Spark skip node locality?

Mar 11, 2019 in Apache Spark by Chandu'
 • 1,479 views
0 votes
1 answer

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

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

How to limit the cores being used by a cluster?

Mar 11, 2019 in Apache Spark by Tina
 • 1,292 views
0 votes
1 answer

How to make Spark wait for more time for acknowledgement?

Mar 11, 2019 in Apache Spark by Rishi
 • 2,998 views
0 votes
1 answer

How to change block manager port for driver only?

Mar 10, 2019 in Apache Spark by Vishal
 • 1,536 views
0 votes
1 answer

Changing port for Block Managers

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

How to change commiter algorithm version in Spark?

Mar 10, 2019 in Apache Spark by tina
 • 4,076 views
0 votes
1 answer

How to disable existing directory check?

Mar 10, 2019 in Apache Spark by Hanam
 • 1,120 views
0 votes
1 answer

Not able to clone Hadoop configuration.

Mar 10, 2019 in Apache Spark by Joshi
 • 1,521 views
0 votes
1 answer

SparkContext.addFile() not able to update file.

Mar 10, 2019 in Apache Spark by Suri
 • 4,102 views
0 votes
1 answer

How to disable executor from fetching file from cache?

Mar 10, 2019 in Apache Spark by Suri
 • 2,943 views
0 votes
1 answer

How to make driver update metrics quickly to executor?

Mar 10, 2019 in Apache Spark by Shaan
 • 1,138 views
0 votes
1 answer

How to disable broadcast checksum?

Mar 9, 2019 in Apache Spark by Ruth
 • 1,155 views
+1 vote
3 answers

map() vs flatMap() in Spark

Mar 8, 2019 in Apache Spark by Tina
 • 39,772 views
0 votes
1 answer

Cache() vs persist() in Spark

Mar 8, 2019 in Apache Spark by Esha
 • 11,434 views
0 votes
1 answer

Array of RDD

Mar 8, 2019 in Apache Spark by Giri
 • 2,079 views
0 votes
1 answer

What is Spark Core?

Mar 8, 2019 in Apache Spark by Ritu
 • 3,965 views
0 votes
1 answer

Components of Spark

Mar 8, 2019 in Apache Spark by Giri
 • 1,075 views
0 votes
1 answer

Unable to run import script using sqoop

Mar 8, 2019 in Big Data Hadoop by Shri
 • 1,153 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 • 5,641 views
0 votes
1 answer

How to increase Garbage Collection speed?

Mar 8, 2019 in Apache Spark by Rohan
 • 2,026 views
0 votes
1 answer

How to increase Spark memory for execution?

Mar 7, 2019 in Apache Spark by Rishi
 • 1,546 views
0 votes
1 answer

How to compress serialized RDD partition?

Mar 7, 2019 in Apache Spark by Rajath
 • 2,135 views
0 votes
1 answer

Getting "buffer limit exceeded" exception inside Kryo.

Mar 7, 2019 in Apache Spark by Firoz
 • 1,825 views
0 votes
1 answer

How to change default Spark dashboard port?

Mar 6, 2019 in Apache Spark by Tina
 • 1,969 views
0 votes
1 answer

What port the Spark dashboard run on?

Mar 6, 2019 in Apache Spark by Firoz
 • 1,189 views
0 votes
1 answer

How to delay live entity updates on Spark ?

Mar 6, 2019 in Apache Spark by Ritu
 • 1,103 views
0 votes
1 answer

Prevent jobs to be killed from Web UI

Mar 6, 2019 in Apache Spark by Madhu
 • 1,172 views
0 votes
1 answer

Disable Web UI for Spark Application

Mar 6, 2019 in Apache Spark by Roshan
 • 4,162 views
0 votes
1 answer

Spark logs not overwriting

Mar 6, 2019 in Apache Spark by Sharan
 • 1,600 views
0 votes
1 answer

How to enable Spark event logging?

Mar 6, 2019 in Apache Spark by Ratan
 • 3,314 views
0 votes
1 answer

How to change the location of Spark event logs?

Mar 6, 2019 in Apache Spark by Sanam
 • 5,145 views
0 votes
1 answer

Spark event log location

Mar 6, 2019 in Apache Spark by Prateek
 • 1,072 views
0 votes
1 answer

Log every block update in Spark

Mar 6, 2019 in Apache Spark by Sanidhi
 • 1,416 views
0 votes
0 answers

try except is not working while using hdfs command

Mar 6, 2019 in Python by anonymous
 • 1,497 views
0 votes
1 answer

Spark shuffle service port number

Mar 1, 2019 in Apache Spark by Raj
 • 1,391 views
0 votes
1 answer

Installing Oozie on Linux System

Feb 28, 2019 in Big Data Hadoop by Sharan
 • 3,584 views
0 votes
1 answer

Hive installation on Linux

Feb 28, 2019 in Big Data Hadoop by Rohit
 • 1,767 views
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