Recent questions tagged hadoop

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touchz: java.io.IOException: java.lang.IllegalArgumentException: Unexpected value for the block size

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,320 views
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How to change block size in Hadoop dynamically?

Sep 25, 2020 in Big Data Hadoop by MD
 • 95,460 points • 3,670 views
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How to configure Hadoop Client?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 3,216 views
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How to upload files in Hadoop Cluster?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,634 views
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Usage: java FsShell [-put <localsrc> ... <dst>]

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,243 views
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How to connect Hadoop WebUI?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,363 views
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How to see the report of Hadoop Cluster from command line?

Sep 25, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 4,016 views
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Enable HA for mapreduce jobhistory server

Sep 23, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 2,061 views
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How to insert data into Cassandra table using Spark DataFrame?

Sep 21, 2020 in Apache Spark by akhtar
 • 38,260 points • 4,506 views
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How to format a Hadoop Master Node?

Sep 21, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,114 views
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How to start Hadoop namenode service?

Sep 21, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,575 views
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How to configure Hadoop namenode?

Sep 21, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,454 views
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file /usr/bin from install of hadoop-1.2.1-1.x86_64 conflicts with file from package filesystem-3.8-2.el8.x86_64

Sep 21, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,880 views
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How to merge two Spark DataFrames?

Sep 17, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,436 views
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Can't Pass Java Agent in Hive

Sep 15, 2020 in Big Data Hadoop by Som
 • 140 points • 1,317 views
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Monitoring Hadoop with Prometheus JMX

Sep 11, 2020 in Big Data Hadoop by Som
 • 140 points • 3,507 views
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which version of sqoop should i use for hadoop 3.3.0?

Sep 7, 2020 in Big Data Hadoop by shresht
 • 140 points • 3,361 views
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which version of sqoop should i use with hadoop 3.3.0 ?

Sep 6, 2020 in Big Data Hadoop by shresht
 • 140 points • 1,578 views
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ERROR tool.BaseSqoopTool: Error parsing arguments for import:ERROR tool.BaseSqoopTool: Unrecognized argument: -topic

Sep 5, 2020 in Apache Kafka by oguzhan
 • 120 points • 1,960 views
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Multiple rows to columns in hive

Sep 4, 2020 in Big Data Hadoop by anonymous
 • 120 points • 3,617 views
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SQOOP Import error - Invalid argurments

Aug 31, 2020 in Big Data Hadoop by Vikramraj
 • 180 points • 1,676 views
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1 answer

Parquet File and ORC Table

Aug 31, 2020 in Big Data Hadoop by Vikramraj
 • 180 points • 1,186 views
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How I can kill the jobs using jobID running in local mode with Hadoop

Aug 26, 2020 in Big Data Hadoop by kamboj
 • 140 points • 3,286 views
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While typing 'hdfs fs -mkdir/prem' command I'm getting below error. Could not find or load main class fs and caused by java.lang.ClassNotFoundException:fs

Aug 7, 2020 in Big Data Hadoop by anonymous
 • 140 points • 5,517 views
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Unable to get the Job status and Group ID java- spark standalone program with databricks

Jul 23, 2020 in Apache Spark by kamboj
 • 140 points • 3,344 views
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1 answer

In my hadoop namenode is not starting

Jul 22, 2020 in Big Data Hadoop by Aman
 • 120 points • 1,808 views
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How to download hadoop jar files for adding eclipse

Jul 20, 2020 in Big Data Hadoop by Mani
 • 120 points • 6,965 views
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Data import using sqoop to Hive

Jul 3, 2020 in Big Data Hadoop by anonymous
 • 120 points • 1,452 views
0 votes
1 answer

Can number of Spark task be greater than the executor core?

Jun 17, 2020 in Apache Spark by Rishi
 • 160 points • 2,647 views
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Format HDFS Namenode Error: Could not find or load main class ”-Djava.library.path=.home.hadoop.hadoop-3.2.1.lib.native”

Jun 12, 2020 in Big Data Hadoop by fwood
 • 120 points • 13,563 views
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while iam exporting data from hive to sql iam getting an error like export job failed

Jun 6, 2020 in Big Data Hadoop by anonymous
 • 120 points • 1,648 views
+1 vote
1 answer

How to change columname in a dataframe

May 21, 2020 in Big Data Hadoop by anonymous
 • 130 points • 1,168 views
+1 vote
1 answer

starting hive gave me exception

May 20, 2020 in Big Data Hadoop by Hans
 • 130 points • 3,044 views
0 votes
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What are the career opportunities after doing Big Data course in India?

May 15, 2020 in Career Counselling by akhtar
 • 38,260 points • 1,463 views
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What are good big data courses for freshers?

May 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,594 views
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What skills are required to be a Hadoop developer?

May 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,163 views
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Which is the best online Big Data Hadoop course?

May 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,392 views
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Where can I get best spark tutorials for beginners?

May 14, 2020 in Apache Spark by akhtar
 • 38,260 points • 1,197 views
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Is there any alternative for edureka vm ?

May 10, 2020 in Big Data Hadoop by Preetham
 • 120 points • 1,394 views
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getting error: -bash: syntax error near unexpected token `('

May 6, 2020 in Big Data Hadoop by Anjali
 • 120 points • 3,803 views
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Error: Couldn't properly initialize access to HDFS internals. Please update your WAL Provider to not make use of the 'asyncfs' provider.

Apr 30, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,119 views
0 votes
1 answer

Exception in createBlockOutputStream java.net.SocketTimeoutException: 69000 millis timeout while waiting for channel to be ready for connect.[connection-pending remote=/ xxx:50010]

Apr 30, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 3,716 views
0 votes
1 answer

java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView

Apr 30, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,389 views
0 votes
1 answer

kernel: java: page allocation failure. order:4, mode:0x20

Apr 30, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,577 views
0 votes
1 answer

ERROR [main] client.HConnectionManager$HConnectionImplementation: Can't get connection to ZooKeeper: KeeperErrorCode = ConnectionLoss for /hbase ERROR: KeeperErrorCode = ConnectionLoss for /hbase

Apr 30, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 3,676 views
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0 answers

Real time access to data in hadoop

Apr 30, 2020 in Big Data Hadoop by anonymous
 • 120 points • 1,520 views
0 votes
1 answer

ERROR thriftserver.SparkExecuteStatementOperation: Error executing query, currentState RUNNING, org.apache.spark.sql.catalyst.errors.package$TreeNodeException

Apr 29, 2020 in Apache Spark by akhtar
 • 38,260 points • 2,547 views
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Error: sql.out:Error: org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 381610 tasks (4.0 GB) is bigger than spark.driver.maxResultSize (4.0 GB)

Apr 29, 2020 in Apache Spark by akhtar
 • 38,260 points • 8,930 views
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"java.lang.ClassNotFoundException" in Spark on Amazon EMR

Apr 29, 2020 in Apache Spark by akhtar
 • 38,260 points • 4,431 views
0 votes
1 answer

How to create one job in Sqoop?

Apr 29, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,486 views
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