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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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forensic investigation in Hadoop HDFS

1
 How a forensic investigation could be carried out and what data can be collected from Hadoop HDFS
Troubleshooting Solution

Python Program to move a csv file to another directory when it arrives

3
When a new abc.csv file is added to a specific folder I need to run a python script on it to copy …
Troubleshooting Solution

Modifying CSV Headers in Pyspark

2
Trying to modify  CSV headers in Pyspark in order to get rid of blank space and extra characters …
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ACL limiting/filtering DB search results on a record-by-record basis

2
I need to implement an solution that implements a search against a table where each record can have …
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Move data from one location to another location in hive external table

byssnoor
2
My hive external table location is set to tmp location .  We need to change the location of data …
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yarn-nm-state folder is almost full under /var

byssnoor
6
In my cloudera 5.12 cluster yarn-nm-state is almost 84% full . How to resove it ? Please let me know…
Troubleshooting Solution

Kylin not getting start

5
Kylin not getting started

here is the below error which I'm getting


kafka dependency
Troubleshooting Solution

Comparing Splunk, ELK & Metron Hadoop

bysunhux
4
We are considering Splunk, ELK or Apache Metro Hadoop  for SIEM.

Q1:
I've encountered nightmares…
Troubleshooting Solution

Hadoop for MySQL

10
hi,

how can MySQL work with / load and save data from Hadoop ? any build in tools for it ?

is …
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any Hadoop to DB2 gateway/proxy scaleoutable solution for DB2 ?

8
hi,

any Hadoop to DB2 gateway/proxy scaleoutable solution for DB2?
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DB2 and Hadoop.

3
hi,

any product from DB2 can get data from Hadoop and store in a structured format?
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Transfer data in and out from Hadoop by using single PL SQL language

7
hi,

any oracle product that help to transfer data in and out from Hadoop by using single PL SQL …
Troubleshooting Solution

polybase on MSSQL

16
hi,

anyone use polybase on MSSQL for hadoop ? is scale out feature of Polybase working fine? load…
Troubleshooting Solution

MariaDB and mongo DB

13
hi,

anyone know how to intergrate MariaDB and Mongo DB so that they work together well ?

how …
Troubleshooting Solution

MSSQL and Mongo DB work together,

4
hi,

anyone know how to intergrate MS SQL and Mongo DB so that they work together well ?

how …
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What is the recommend SOLR architecture for a 180mil record dataset.

2
I have been asked to stand up a weighted search appliance for a company.  The decision was to use …
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How to store Query Results to Local Drive

2
Hello Experts,

The following Hive Script retrieves data from the hdfs dfs drive on hadoop from …
Troubleshooting Solution

Regular Expression used in Apache Nifi not processing correctly. Please advise.

8
Techies, Can someone isolate where I'm dropping the ball on getting the regex matches I'm expecting …
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Hadoop Hive File Query

2
Hello Experts,

I would like to run a query on the attached file, but I don't know what type …
Troubleshooting Solution

Hadoop Query Not executing

3
Hello Community,

I have created my first hql code, see below and I can't get any data to appear..…

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