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Read AVRO file using Python

Demystifying AVRO Reading AVRO Files with Python AVRO a data serialization format is gaining popularity due to its efficiency schema based structure and support

2 min read 07-10-2024 37
Read AVRO file using Python
Read AVRO file using Python

"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

2 min read 07-10-2024 19
"INFO : Tez session hasn't been created yet. Opening session" hang
"INFO : Tez session hasn't been created yet. Opening session" hang

Check Hbase native extension got WARN [main] lz4.Lz4Compressor: java.lang.UnsatisfiedLinkError

H Base Native Extension Woes Unpacking the Unsatisfied Link Error H Base a popular column oriented No SQL database often leverages native libraries for performa

2 min read 05-10-2024 45
Check Hbase native extension got WARN [main] lz4.Lz4Compressor: java.lang.UnsatisfiedLinkError
Check Hbase native extension got WARN [main] lz4.Lz4Compressor: java.lang.UnsatisfiedLinkError

On every run jar file using hadoop it is always stuck

Troubleshooting Hadoop Jar File Stuck on Execution Hadoop is a powerful framework for distributed data processing but sometimes users encounter frustrating issu

3 min read 29-09-2024 75
On every run jar file using hadoop it is always stuck
On every run jar file using hadoop it is always stuck

Error while scanning intermediate done dir - dataproc spark job

Resolving Error While Scanning Intermediate Done Dir in Dataproc Spark Jobs When running Spark jobs on Google Cloud Dataproc users may encounter various errors

3 min read 29-09-2024 46
Error while scanning intermediate done dir - dataproc spark job
Error while scanning intermediate done dir - dataproc spark job

Apache pig throwing Nullpointer exception when filtering using a parameter ERROR 2000: Error processing rule PartitionFilterOptimizer

Understanding and Resolving Apache Pigs Null Pointer Exception with Partition Filter Optimizer Apache Pig is a high level platform for creating programs that ru

3 min read 28-09-2024 46
Apache pig throwing Nullpointer exception when filtering using a parameter ERROR 2000: Error processing rule PartitionFilterOptimizer
Apache pig throwing Nullpointer exception when filtering using a parameter ERROR 2000: Error processing rule PartitionFilterOptimizer

C++23 tbb:parallel_reduce with std::multiplies as reduction

Optimizing Parallel Reductions in C 23 Using TBB and std multiplies C 23 has introduced many exciting features and improvements to the C standard library partic

3 min read 26-09-2024 64
C++23 tbb:parallel_reduce with std::multiplies as reduction
C++23 tbb:parallel_reduce with std::multiplies as reduction

Hadoop cannot make a MapReduce operation because is getting hang, waiting for AM container to be allocated

Troubleshooting Hadoop Understanding the Waiting for AM Container to be Allocated Issue in Map Reduce Operations Hadoop is a powerful open source framework used

3 min read 17-09-2024 60
Hadoop cannot make a MapReduce operation because is getting hang, waiting for AM container to be allocated
Hadoop cannot make a MapReduce operation because is getting hang, waiting for AM container to be allocated

Hive 'explain' query plan / meaning of Backup Stage

Understanding Hives EXPLAIN Query Plan Meaning of Backup Stage In the world of big data Apache Hive is a powerful tool that facilitates data querying and analys

3 min read 16-09-2024 56
Hive 'explain' query plan / meaning of Backup Stage
Hive 'explain' query plan / meaning of Backup Stage

Hbase 2.0.0 with Hadooop 2.6.5 : Hbase shell Unhandled Java exception: java.lang.IncompatibleClassChangeError:java.lang.IncompatibleClassChangeError:

Understanding and Resolving the H Base 2 0 0 Compatibility Issue with Hadoop 2 6 5 If you re working with H Base 2 0 0 and Hadoop 2 6 5 you might have encounter

3 min read 15-09-2024 48
Hbase 2.0.0 with Hadooop 2.6.5 : Hbase shell Unhandled Java exception: java.lang.IncompatibleClassChangeError:java.lang.IncompatibleClassChangeError:
Hbase 2.0.0 with Hadooop 2.6.5 : Hbase shell Unhandled Java exception: java.lang.IncompatibleClassChangeError:java.lang.IncompatibleClassChangeError:

Data not getting loaded into Partitioned Table in Hive

Troubleshooting Data Loading into Partitioned Hive Tables A Practical Guide Loading data into partitioned Hive tables can sometimes be tricky especially for beg

2 min read 06-09-2024 58
Data not getting loaded into Partitioned Table in Hive
Data not getting loaded into Partitioned Table in Hive

Hive "select to_date(column2) from tablename"

Understanding Hives to date Function and Date Formatting In Hive the to date function is used to convert a string representation of a date into a date data type

2 min read 06-09-2024 66
Hive "select to_date(column2) from tablename"
Hive "select to_date(column2) from tablename"

Apache Crunch Job On AWS EMR using Oozie

Running Apache Crunch Jobs on AWS EMR with Oozie Troubleshooting Write Issues This article explores a common issue encountered when running Apache Crunch jobs w

3 min read 02-09-2024 50
Apache Crunch Job On AWS EMR using Oozie
Apache Crunch Job On AWS EMR using Oozie

Hadoop MiniCluster Web UI

Navigating the Hadoop Mini Cluster Web UI A Guide Setting up a Hadoop cluster can be daunting but the Mini Cluster provides a convenient way to experiment and l

2 min read 02-09-2024 47
Hadoop MiniCluster Web UI
Hadoop MiniCluster Web UI