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Hadoop

Apache™ Hadoop® is an open-source framework that allows large data sets to be processed and distributed across commodity cluster computers.

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Troubleshooting Question

I am looking for help  to convert a zip to a bz compression  without extracting it to the filesystem

byKP3280
6
I am looking for help  to convert a zip to a bzip2 compression without extracting it to the …
Troubleshooting Question

hive date datatype with 6 digit nano seconds

4
what function to use in hive for getting time with nanoseconds?

tried functions like:
Troubleshooting Question

Best and efficient way to load the hive data from prod env to dev env

4
Hi Experts,
We have production and Dev environment. Best and efficient way to load the hive data …
Troubleshooting Question

Spark code not able to run select statement on Hive VIEW , but the same view is able run select query thru Hive / beeline . Why

1
Spark code not able to run select statement on Hive VIEW , but the same view is able run select …
Troubleshooting Question

Oracle to Hive using Sqoop - Efficient way to load huge tables (300 Million plus)

1
I am trying to load data from Oracle to Hive using Sqoop.

Oracle source has 300 Million records
Troubleshooting Question

Teradata JDBC Driver issue when using sqoop

Trying to use sqoop to pull data from teradata to put in hive.
the drivers are put in the following…
Troubleshooting Question

SQL Server to Big data - need advice on architecture change or options

bywebsss
12
We use SQL server 2017 as our main data store RDMS

We have a vehicle tracking app with one …
Troubleshooting Question

Recursive Query in Hive

byRink k
3
Hi ,

Could please some help to write Recursive Query in Hive (or in Pyspark) .



Troubleshooting Question

How to run INSERT/UPDATE SQL Statement in HIVE SQL (HQL)

byRink k
1
Hi ,
 
      Looking to convert below SQL (INSERT and UPDATE ) statement into Hive Query Language…
Troubleshooting Question

Python code cm_client get information from multiple clusters using different cloudera manager

byssnoor
Hello,

I need to develop python code using cm_client . We have 15 clusters on different cloudera …
Troubleshooting Question

Hadoop Sqoop Export to MS-SQL database ; DRIVER ( placement and configuration )

2
Hadoop Sqoop Export to MS-SQL database ; DRIVER ( placement and configuration )

Research:
Troubleshooting Question

Real-time analytics: What do companies want from Complex Event Processor that they don't have with Spark?

Why do companies purchase a product known as Complex Event Processor (TIBCO Streambase CEP, IBM …
Troubleshooting Question

Oracle to Hadoop HDFS and vice versa!

4
Hi Expert,

Could anybody please guide me how to load data from Oracle DB to Hadoop HDFS and the …
Troubleshooting Question

Very high number of CLOSE_WAIT connection on Hadoop NameNode servers

1
Issue with high number of  TCP CLOSE_WAIT socket connections on Hortonwork(HDP2.6.4) NameNodes & …
Troubleshooting Question

how to iteratively compare a field with all other documents' fields in a collection in mongodb?

So i have a user schema like this:

var user_schema = new Schema({ …
Troubleshooting Question

Unable to Store Results from Hive Hadoop Script

1
Hello Experts,

I have created the following Hadoop Hive Script.

The script is attempting to …
Troubleshooting Question

Hadoop Hive Query not executing

1
Hello Experts,

I have created the following Hadoop Hive HQL script, however, I keep on getting …
Troubleshooting Question

Hadoop Hive Query Provide missing EOF Error

5
Hello Community,

The Hive script I have created keeps throwing the following error:

Time…
Troubleshooting Question

Hadoop Hive ParseException Error Help

1
Hello Experts,

I have run a hql called samplehive.hql, see attached. However, the script fails …
Troubleshooting Question

YARN memory allocation

bymokkan
1
Hello,

I am new to Hadoop.  I have a question regarding yarn memory allocation.  If  we have …

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