Category: big data
98 Posts
How to migrate an index or indices from one Elasticsearch cluster to another ?
How to delete a file or directory from Azure Data Lake Storage (ADLS) using spark ?
big data, linux, Tips and Tricks
How to set Kafka Heap Size?
Delta Science – The art of designing new generation Data Lake
How to configure Delta Lake on EMR ?
How to set up Delta Lake in Apache Spark ?
Delta Lake – The New Generation Data Lake
Programmatic way to identify the status of the namenode in an HA enabled hadoop cluster
Python code to list all the running EC2 instances across all regions in an AWS account
Add partitions to hive table with location as S3
Heterogeneous storages in HDFS
ORA-01045:user name lacks CREATE SESSION privilege; logon denied
Unauthorized connection for super-user: hue from IP “x.x.x.x”
Enabling Log Aggregation in YARN
Undeleting and purging KeyTrustee Key Provider methods via the REST interface
Changing the data type mapping in sqoop
Compressing the output of sqoop
Configuring Fair Scheduler in Hadoop Cluster
Installing Cloudera Manager in an existing hadoop cluster
Notification on completion of Mapreduce jobs
Migrating Namenode from one host to another host
Exception while using hadoop fetchImage command “Only Namenode, Secondary Namenode, and administrators may access this servlet”
Find the file name corresponding to a record in hive
Load Balancers – HA Proxy and ELB
Hive error in a sentry enabled cluster – “add jar” command throws “Insufficient privileges to execute add” –
Impala Scratch directory issue
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