Most voted questions in Apache Spark

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1 answer

How to set keystore path?

You have to set the path to ...READ MORE

Mar 15, 2019 in Apache Spark by Karan
 • 1,989 views
0 votes
1 answer

Password for keystore in Spark

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

Mar 15, 2019 in Apache Spark by karan
 • 588 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
 • 532 views
0 votes
1 answer

How to enable SSL for Spark application?

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

Mar 15, 2019 in Apache Spark by Karan
 • 2,217 views
0 votes
1 answer

Spark to check if a particular string exists in a file

You can use this: lines = sc.textFile(“hdfs://path/to/file/filename.txt”); def isFound(line): if ...READ MORE

Mar 15, 2019 in Apache Spark by Raj
 • 7,067 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
 • 456 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
 • 407 views
0 votes
1 answer

How to give user only view access for Spark application?

You can give users only view permission ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 1,265 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
 • 413 views
0 votes
1 answer

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
 • 785 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
 • 491 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
 • 347 views
0 votes
1 answer

Client connection getting rejected due to SASL authentication

Seems like you have set the configuration ...READ MORE

Mar 14, 2019 in Apache Spark by Raj
 • 1,175 views
0 votes
1 answer

How to enable SASL encryption?

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

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

How to enable SASL authentication after Spark authentication?

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

Mar 13, 2019 in Apache Spark by Venu
 • 855 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
 • 337 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
 • 474 views
0 votes
1 answer

Network encryption for Spark

You can enable encryption for the Spark ...READ MORE

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

How to authenticate Spark internal connections using a secret key?

You need to set the secret key ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 1,918 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
 • 412 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
 • 392 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
 • 434 views
0 votes
1 answer

How to set max executors for dynamic allocation?

You can set it by assigning the ...READ MORE

Mar 13, 2019 in Apache Spark by Venu
 • 1,611 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
 • 661 views
0 votes
1 answer

Remove idle executor automatically

Yes, it is possible and is already ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 1,219 views
0 votes
1 answer

How to enable dynamic resource allocation in Spark?

To dynamically enable dynamic resource allocation, you ...READ MORE

Mar 12, 2019 in Apache Spark by veer
 • 1,393 views
0 votes
1 answer

How to set stage abort in Spark?

You can do it as follows. Use ...READ MORE

Mar 12, 2019 in Apache Spark by veer
 • 788 views
0 votes
1 answer

How to prevent executor from self-destructing?

I think there is a timeout set ...READ MORE

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

How to set cpu cores for spark task?

By default, each task is allocated with ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 4,145 views
0 votes
1 answer

When is speculation enabled in Spark?

Speculation is enabled when a fraction of ...READ MORE

Mar 12, 2019 in Apache Spark by veer
 • 942 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
 • 377 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
 • 429 views
0 votes
1 answer

How to automatically kill executors on blacklisting?

You can set the property to directly ...READ MORE

Mar 12, 2019 in Apache Spark by Veer
 • 986 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
 • 381 views
0 votes
1 answer

Increasing retry before blacklisting executor

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

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

Changing the blacklist time of executor

By default, the node or executor is ...READ MORE

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

How can I run a blacklisted task?

When a task results in too many ...READ MORE

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

How to increase Spark listener bus event queue capacity?

The default capacity of listener bus is ...READ MORE

Mar 12, 2019 in Apache Spark by Raj
 • 6,543 views
0 votes
1 answer

How to change scheduling mode in Spark?

You can change the scheduling mode as ...READ MORE

Mar 12, 2019 in Apache Spark by Raj
 • 2,113 views
0 votes
1 answer

How to make Spark skip node locality?

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

Mar 11, 2019 in Apache Spark by Raj
 • 823 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
 • 401 views
0 votes
1 answer

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
 • 573 views
0 votes
1 answer

How to make Spark wait for more time for acknowledgement?

Use the following command to increase the ...READ MORE

Mar 11, 2019 in Apache Spark by Raj
 • 2,137 views
0 votes
1 answer

How to change block manager port for driver only?

Yes, it is possible to change the ...READ MORE

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

Changing port for Block Managers

By default, the port of which the ...READ MORE

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

How to change commiter algorithm version in Spark?

To change to version 2, run the ...READ MORE

Mar 10, 2019 in Apache Spark by Siri
 • 2,880 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
 • 459 views
0 votes
1 answer

Not able to clone Hadoop configuration.

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

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

SparkContext.addFile() not able to update file.

Spark by default won't let you overwrite ...READ MORE

Mar 10, 2019 in Apache Spark by Siri
 • 3,151 views
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