Welcome to the Cloudera Community

7 Kudos · ‎06-10-2019

OBJECTIVE: Provide a quick-start guide for using the Jolt language within a NiFi JoltTransform (JoltTransformJSON or JoltTransformRecord). OVERVIEW: The NiFi JoltTransform uses the powerful Jo...

4 Kudos · ‎04-24-2023

Spark Streaming Graceful shutdown Spark Streaming jobs are long-running jobs and their tasks need to be executed 7*24 hours, but there are cases like upgrading the code or updating the...

2 Kudos · ‎07-06-2022

I've run into this issue a number of time over the years. It's typically associated with environments using Active Directory or FreeIPA for Kerberos authentication. The tell-tale of this problem is t...

3 Kudos · ‎08-02-2018

Have you ever noticed some lingering old rolled log files in your nifi logs directory that never seem to get deleted? This is a by-product of how logback works depending on how you have it configure...

6 Kudos · ‎12-20-2017

Introduction Use of data in Excel spreadsheets is commonplace in the enterprise and often results in widespread yet highly manual and loosely defined dataflows. The manual and loose nature of Excel...

1 Kudo · ‎02-23-2023

What is Apache Iceberg? Apache Iceberg is an Open table format developed by the open source community for high performance analytics on petabyte scale data sets. Apache Iceberg is engine agnostic ...

3 Kudos · ‎04-19-2023

Cloudera DataFlow Connectors We would love to have you and your fellow colleagues attend this session. Please feel free to share this internally. We look forward to having you jo...

VidyaSargur · ‎08-02-2023

Introduction: This article is designed to get the reader to call a deployed CML model from Apache NiFi or Cloudera Data Flow as quickly as possible. It will require using one of Cloudera's&nb...

3 Kudos · ‎02-22-2018

Linux Authentication and Authorization Mechanism Security plays a very important role in making any software enterprise ready. Linux has a robust security architecture yet it allows plug-gable modu...

20 Kudos · ‎06-09-2021

Table of Contents 1. Introduction 2. Executor Memory 3. Memory Management 4. Static Memory Manager (SMM) 5. Unified Memory Manager (UMM) 6. Understand the Memory Allocation using Spark UI 1. I...

Cloudera Community

Cloudera Community

Welcome to the Cloudera Community

Jolt quick reference for Nifi Jolt Processors

Spark Streaming Graceful Shutdown - Part1

"kinit: Preauthentication failed while getting ini...

Understanding how the logback.xml configuration in...

Use NiFi to process Excel spreadsheets in automate...

Open Data Lakehouse powered by Apache Iceberg on A...

Best in Flow Event

How to call a CML Deployed Model From Apache NiFi ...

How PAM NSS SSD work together on Linux OS

Spark Memory Management