hadoop

DORSETRIGS

Hadoop Failed to set permissions of path: \tmp\

Hadoops Permission Problem Why Your Data Wont Move Hadoop the powerful framework for processing massive datasets can sometimes trip over its own feet A common e

$Hadoop Failed to set permissions of path: \tmp\$

$Hadoop Failed to set permissions of path: \tmp\$

"The machine with the name 'c6401' was not found configured for this Vagrant environment." Error

The machine with the name c6401 was not found configured for this Vagrant environment A Troubleshooting Guide Understanding the Problem This error message The m

"The machine with the name 'c6401' was not found configured for this Vagrant environment." Error

hdfs namenode -format error (no such file or directory)

HDFS Namenode format Error No Such File or Directory Troubleshooting and Solutions The dreaded No such file or directory error when formatting your HDFS Namenod

hdfs namenode -format error (no such file or directory)

Hive - Optimising a self-join

Optimizing Self Joins in Hive A Guide to Faster Queries Hive a popular data warehouse system built on Hadoop offers a powerful platform for analyzing large data

Hive - Optimising a self-join

Hadoop client.RMProxy: Connecting to ResourceManager

Understanding the Hadoop Clients Connection to the Resource Manager A Deep Dive into RM Proxy The Problem Many Hadoop users encounter issues when their applicat

Hadoop client.RMProxy: Connecting to ResourceManager

Couldn't create proxy provider class org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider

Couldnt create proxy provider class org apache hadoop hdfs server namenode ha Configured Failover Proxy Provider Decoding the Error and Finding Solutions Scenar

Couldn't create proxy provider class org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider

hadoop "ipc.Client: Retrying connect to server" error

ipc Client Retrying connect to server in Hadoop Understanding the Error and Solutions Problem You re running a Hadoop job and encounter the error ipc Client Ret

hadoop "ipc.Client: Retrying connect to server" error

Spark - load CSV file as DataFrame?

Loading CSV Files into Spark Data Frames A Simple Guide Spark is a powerful framework for large scale data processing and its ability to handle CSV files seamle

Spark - load CSV file as DataFrame?

How to run spark-shell with YARN in client mode?

Running Spark Shell with YARN in Client Mode A Comprehensive Guide Spark Shell a powerful interactive environment for exploring and experimenting with Apache Sp

How to run spark-shell with YARN in client mode?

Hadoop Job hangs at ACCEPTED, with yarn resourcemanager log java.net.UnknownHostException

Hadoop Job Stuck at ACCEPTED Decoding the java net Unknown Host Exception in YARN Resource Manager Logs The Problem Imagine this you ve submitted a Hadoop job y

Hadoop Job hangs at ACCEPTED, with yarn resourcemanager log java.net.UnknownHostException

Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient resources

Job Stuck Initial Job Has Not Accepted Any Resources Troubleshooting Guide Have you encountered the frustrating Initial job has not accepted any resources error

Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient resources

"INFO : Tez session hasn't been created yet. Opening session" hang

Understanding and Resolving the INFO Tez session hasnt been created yet Opening session Hang in Apache Hive Have you encountered the frustrating INFO Tez sessio

"INFO : Tez session hasn't been created yet. Opening session" hang

How to copy and convert parquet files to csv

Converting Parquet Files to CSV A Comprehensive Guide Parquet files are a popular choice for storing large datasets due to their efficiency and columnar storage

How to copy and convert parquet files to csv

Apache Spark: how to cancel job in code and kill running tasks?

Stopping a Spark Job in Its Tracks How to Cancel and Kill Running Tasks Working with Apache Spark often involves managing large datasets and complex computation

Apache Spark: how to cancel job in code and kill running tasks?

What are Spark's (or Hadoop's) rules for saving a dataframe as parquet file?

Unlocking the Secrets of Parquet File Storage in Spark and Hadoop Spark and Hadoop are powerful tools for processing vast amounts of data and Parquet is a popul

What are Spark's (or Hadoop's) rules for saving a dataframe as parquet file?

BDB0091 DB_VERSION_MISMATCH: Database environment version mismatch with Ambari 2.4.2

Ambari 2 4 2 Error BDB 0091 DB VERSION MISMATCH Understanding and Solving the Issue The Problem A Database Version Clash Imagine you re building a house and you

BDB0091 DB_VERSION_MISMATCH: Database environment version mismatch with Ambari 2.4.2

Data Loss Issue Replace Text and Put sql Processor

Data Loss The Silent Killer of Your SQL Processor Imagine you re meticulously crafting a SQL query confident it will retrieve the exact information you need You

Data Loss Issue Replace Text and Put sql Processor

Where does Big Data go and how is it stored?

The Hidden Worlds of Big Data Where Does It Go and How Is It Stored You use big data every day without even realizing it From the personalized recommendations o

Where does Big Data go and how is it stored?

Can't get Master Kerberos principal for use as renewer for Talend Batch Jobs

Cracking the Kerberos Code Troubleshooting Talend Batch Jobs with Master Principal Issues Problem You re trying to run Talend Batch Jobs in a Kerberos secured e

Can't get Master Kerberos principal for use as renewer for Talend Batch Jobs

Kerberos: Login failure for <user> from keytab file javax.security.auth.login.LoginException: Unable to obtain p assword from user

Kerberos Login Failure and the Unable to Obtain Password Error Problem You re attempting to access a service using Kerberos authentication but you re encounteri

Kerberos: Login failure for <user> from keytab file javax.security.auth.login.LoginException: Unable to obtain p assword from user

how to add columns to existing hive external table?

Adding Columns to Existing Hive External Tables A Comprehensive Guide The Problem You have an existing external Hive table that needs additional columns Maybe y

how to add columns to existing hive external table?

Raw json field type in hive

Demystifying the Raw JSON Field Type in Hive The world of data is increasingly diverse with JSON Java Script Object Notation becoming a ubiquitous format for st

Raw json field type in hive

Getting FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask exception while access Hive views

FAILED Execution Error return code 2 from org apache hadoop hive ql exec mr Map Red Task Debugging Hive View Access Errors Have you encountered the dreaded FAIL

Getting FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask exception while access Hive views

How to read Parquet file from S3 without spark? Java

Reading Parquet Files from S3 Without Spark A Java Guide Parquet a columnar storage format is widely used for storing large datasets in big data applications Of

How to read Parquet file from S3 without spark? Java

Hadoop localhost:9870 browser interface is not working

Hadoop Localhost 9870 Not Working Heres What to Do Many Hadoop users encounter the frustrating issue where the web UI accessible at localhost 9870 fails to load

Hadoop localhost:9870 browser interface is not working