Trending questions in Apache Spark

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How to check if user has permission in Web UI?

You can implement this as follows: First, add ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 1,010 views
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1 answer

Sliding function in spark

The sliding function is used when you ...READ MORE

Jan 29, 2019 in Apache Spark by Omkar
 • 69,220 points • 2,910 views
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How to make Spark skip node locality?

If you set the node wait time ...READ MORE

Mar 11, 2019 in Apache Spark by Raj
 • 1,135 views
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Spark context (sc) not found

Maybe the hadoop service didn't start properly. Try ...READ MORE

Feb 14, 2019 in Apache Spark by John
 • 2,247 views
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Not able to clone Hadoop configuration.

Run the following command in Spark shell ...READ MORE

Mar 10, 2019 in Apache Spark by Siri
 • 1,186 views
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Increasing retry before blacklisting executor

You can do it like this: val sc ...READ MORE

Mar 12, 2019 in Apache Spark by Raj
 • 1,105 views
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Retaining the batch by status APIs before Garbage Collection

By default, 1000 batches are retained by ...READ MORE

Mar 19, 2019 in Apache Spark by Jai
 • 761 views
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Change number of completed drivers displayed

You can change the number of completed ...READ MORE

Mar 25, 2019 in Apache Spark by Hari
 • 496 views
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Change heart beat time to R process

The heartbeat interval is assigned to the ...READ MORE

Mar 19, 2019 in Apache Spark by Jai
 • 736 views
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How to increase Spark memory for execution?

Probably the spill is because you have ...READ MORE

Mar 7, 2019 in Apache Spark by Pavitra
edited Mar 8, 2019 • 1,249 views
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1 answer

Password for keystore in Spark

You can dynamically set a password to ...READ MORE

Mar 15, 2019 in Apache Spark by karan
 • 878 views
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1 answer

Set maximum reading rate from Kafka partition

You can do it by using the ...READ MORE

Mar 19, 2019 in Apache Spark by Jai
 • 696 views
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1 answer

How to enable SASL encryption?

You can use dynamic configuration setting to ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 903 views
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Change number of threads use by R back end

Refer to the below commands to know ...READ MORE

Mar 19, 2019 in Apache Spark by Jai
 • 673 views
0 votes
1 answer

How many executors run when dynamic allocation is enabled?

The number of executors running by default ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 902 views
0 votes
1 answer

Spark logs not overwriting

Spark does not allow you to overwrite ...READ MORE

Mar 6, 2019 in Apache Spark by Rohit
 • 1,194 views
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How to set maximum receiving rate for backpressure mechanism?

You can set the maximum receiving rate ...READ MORE

Mar 18, 2019 in Apache Spark by John
 • 668 views
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Configuring location of credential provider

To configure the location of the credential ...READ MORE

Mar 15, 2019 in Apache Spark by Karan
 • 784 views
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How to limit the cores being used by a cluster?

You can set the maximum number of ...READ MORE

Mar 11, 2019 in Apache Spark by Raj
 • 922 views
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1 answer

How to monitor interrupted Spark tasks?

To enable monitoring interrupted tasks, run the following ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 879 views
0 votes
1 answer

How to change encryption key value for local I/O?

There another property where you can set ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 768 views
0 votes
1 answer

Loading Spark properties dynamically

First, create an empty conf using this ...READ MORE

Feb 22, 2019 in Apache Spark by Mansoor
 • 1,627 views
0 votes
1 answer

How to give modify access to group?

You can do this using the following ...READ MORE

Mar 15, 2019 in Apache Spark by Vikas
 • 719 views
0 votes
1 answer

Not able to preserve shuffle files in Spark

You lose the files because by default, ...READ MORE

Feb 24, 2019 in Apache Spark by Rana
 • 1,572 views
0 votes
1 answer

Setting port for SSL for Spark application

You can set the port in the ...READ MORE

Mar 15, 2019 in Apache Spark by Karan
 • 709 views
0 votes
1 answer

Change encryption key length fro Spark application

You can do this by running the ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 787 views
0 votes
1 answer

Error reading avro dataset in spark

For avro, you need to download and ...READ MORE

Feb 4, 2019 in Apache Spark by Omkar
 • 69,220 points • 2,365 views
0 votes
1 answer

Log every block update in Spark

By default, Spark does not log all ...READ MORE

Mar 6, 2019 in Apache Spark by Rohit
 • 1,063 views
0 votes
1 answer

How to add modify access for Web UI user?

For a user to have modification access ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 715 views
0 votes
1 answer

How to restrict a group to only view in Spark?

You can do it dynamically be setting ...READ MORE

Mar 15, 2019 in Apache Spark by Raj
 • 673 views
0 votes
1 answer

Authenticate internal connections in Spark

To make Spark authenticate internal connections, you ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 744 views
0 votes
1 answer

Dynamic allocation: Set minimum number of executor

You cans et it dynamically like this:  val ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 722 views
0 votes
1 answer

Multidimensional Array in Scala

Multidimensional array is an array which store ...READ MORE

Feb 11, 2019 in Apache Spark by Omkar
 • 69,220 points • 2,009 views
0 votes
1 answer

How to disable broadcast checksum?

Run the following in the Spark shell: val ...READ MORE

Mar 9, 2019 in Apache Spark by Siri
 • 886 views
0 votes
1 answer

How to relaunch tasks that are running slowly?

The technical term for what you want ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 752 views
0 votes
1 answer

Enable encryption for local Input and Output

You can enable local I/O encryption like ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 644 views
0 votes
1 answer

How to make driver update metrics quickly to executor?

There's a heartbeat signal sent to the ...READ MORE

Mar 10, 2019 in Apache Spark by Siri
 • 798 views
0 votes
1 answer

How to disable existing directory check?

To disable this, run the below commands: val ...READ MORE

Mar 10, 2019 in Apache Spark by Siri
 • 791 views
0 votes
1 answer

How to increase the amount of data to be transferred to shuffle service at the same time?

The amount of data to be transferred ...READ MORE

Mar 1, 2019 in Apache Spark by Omkar
 • 69,220 points • 1,100 views
0 votes
1 answer

Key Factor Algorithms used for encryption.

The default key factor algorithm used is PBKDF2WithHmacSHA1. You ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 564 views
0 votes
1 answer

What port the Spark dashboard run on?

Spark dashboard by default runs on port ...READ MORE

Mar 6, 2019 in Apache Spark by Rohit
 • 861 views
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1 answer

Spark shuffle service port number

The default port that shuffle service runs ...READ MORE

Mar 1, 2019 in Apache Spark by Omkar
 • 69,220 points • 1,068 views
0 votes
1 answer

Delay requesting new executor in dynamic allocation

You can set the duration like this: val ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 542 views
0 votes
1 answer

How to set time for task speculation?

By default, the check for task speculation ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 585 views
0 votes
1 answer

Increasing retry before blacklisting a node

You can do it dynamically using the ...READ MORE

Mar 12, 2019 in Apache Spark by Raj
 • 598 views
0 votes
1 answer

Components of Spark

Spark core: The base engine that offers ...READ MORE

Mar 8, 2019 in Apache Spark by Raj
 • 738 views
0 votes
1 answer

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

You can increase the locality wait time ...READ MORE

Mar 11, 2019 in Apache Spark by Raj
 • 594 views
0 votes
1 answer

How to delay live entity updates on Spark ?

You can do this by increasing the ...READ MORE

Mar 6, 2019 in Apache Spark by Rohit
 • 789 views
0 votes
1 answer

Companion objects in Scala

When a singleton object is named the ...READ MORE

Feb 24, 2019 in Apache Spark by Uma
 • 1,242 views
0 votes
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Spark event log location

Unless and until you have not changed ...READ MORE

Mar 6, 2019 in Apache Spark by Rohit
 • 768 views
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