Cloudera

APRIL 22, 2021

Collects and aggregates metadata from components and present cluster state. Metadata in cluster is disjoint across components. Cloudera will publish separate blog posts with results of performance benchmarks. The post Apache Ozone and Dense Data Nodes appeared first on Cloudera Blog. Cisco Data Intelligence Platform.

Pipeline-centric 102

Pipeline-centric Data Lake Hadoop Metadata 102

ProjectPro

JANUARY 12, 2016

Choosing the right Hadoop Distribution for your enterprise is a very important decision, whether you have been using Hadoop for a while or you are a newbie to the framework. Different Classes of Users who require Hadoop- Professionals who are learning Hadoop might need a temporary Hadoop deployment.

Hadoop 52

Hadoop Big Data Java Metadata 52

Cloudera

MARCH 9, 2021

In this blog, we’ll highlight the key CDP aspects that provide data governance and lineage and show how they can be extended to incorporate metadata for non-CDP systems from across the enterprise. Extending Atlas’ metadata model. The example 1_typedef-server.json describes the server typedef used in this blog. .

Data Governance 97

Data Governance Government Metadata Datasets 97

Cloudera

JULY 15, 2021

This blog post provides an overview of best practice for the design and deployment of clusters incorporating hardware and operating system configuration, along with guidance for networking and security as well as integration with existing enterprise infrastructure. Introduction and Rationale. Networking .

Architecture 103

Architecture Cloud Kafka Hadoop 103

Cloudera

OCTOBER 15, 2021

With FSO, Apache Ozone guarantees atomic directory operations, and renaming or deleting a directory is a simple metadata operation even if the directory has a large set of sub-paths (directories/files) within it. which contains Hadoop 3.1.1, This would potentially improve the efficiency of the user platform with on-prem ObjectStore.

Cloud 88

Cloud Hadoop Data Analytics Metadata 88

ProjectPro

JUNE 14, 2017

Hadoop was first made publicly available as an open source in 2011, since then it has undergone major changes in three different versions. Apache Hadoop 3 is round the corner with members of the Hadoop community at Apache Software Foundation still testing it. The major release of Hadoop 3.x x vs. Hadoop 3.x

Hadoop 52

Hadoop Java Big Data Coding 52

Data Engineering Podcast

MARCH 22, 2021

e.g. APIs and third party data sources How can we integrage CDC into metadata/lineage tooling? e.g. APIs and third party data sources How can we integrage CDC into metadata/lineage tooling? How do you handle observability of CDC flows? What is involved in debugging a replication flow? How do you handle observability of CDC flows?

Data Warehouse 100

Data Warehouse Metadata Hadoop Data Lake 100

Cloudera

AUGUST 10, 2021

Using the Hadoop CLI. If you’re bringing your own, it’s as simple as creating the bucket in Ozone using the Hadoop CLI and putting the data you want there: hdfs dfs -mkdir ofs://ozone1/data/tpc/test. The post Generating and Viewing Lineage through Apache Ozone appeared first on Cloudera Blog. ozone sh bucket list /data.

Hadoop 106

Hadoop Kafka Datasets Government 106

ProjectPro

OCTOBER 31, 2016

Having complete diverse big data hadoop projects at ProjectPro, most of the students often have these questions in mind – “How to prepare for a Hadoop job interview?” ” “Where can I find real-time or scenario-based hadoop interview questions and answers for experienced?” were excluded.).

Hadoop 52

Hadoop Big Data Utilities NoSQL 52

Cloudera

OCTOBER 5, 2021

In this blog post I will introduce a new feature that provides this behavior called the Ranger Resource Mapping Service (RMS). This means many manually implemented Ranger HDFS policies, Hadoop ACLs, or POSIX permissions created solely for this purpose can now be removed, if desired. The RMS was included in CDP Private Cloud Base 7.1.4

Hadoop 97

Hadoop SQL Database Accessibility 97

LinkedIn Engineering

DECEMBER 19, 2023

Co-authors: Arjun Mohnot , Jenchang Ho , Anthony Quigley , Xing Lin , Anil Alluri , Michael Kuchenbecker LinkedIn operates one of the world’s largest Apache Hadoop big data clusters. Historically, deploying code changes to Hadoop big data clusters has been complex.

Big Data 92

Big Data Hadoop Metadata Data 92

Cloudera

SEPTEMBER 28, 2020

The customer team included several Hadoop administrators, a program manager, a database administrator and an enterprise architect. Transition from Navigator by migrating the business metadata (tags, entity names, custom properties, descriptions and technical metadata (Hive, Spark, HDFS, Impala) to Atlas. on roadmap).

Cloud 132

Cloud Kafka Professional Services Metadata 132

Confluent

JULY 1, 2019

When a client (producer/consumer) starts, it will request metadata about which broker is the leader for a partition—and it can do this from any broker. The key thing is that when you run a client, the broker you pass to it is just where it’s going to go and get the metadata about brokers in the cluster from. The default is 0.0.0.0,

Kafka 101

Kafka Metadata AWS Bytes 101

Cloudera

NOVEMBER 10, 2021

This blog post provides CDH users with a quick overview of Ranger as a Sentry replacement for Hadoop SQL policies in CDP. Apache Sentry is a role-based authorization module for specific components in Hadoop. It is useful in defining and enforcing different levels of privileges on data for users on a Hadoop cluster.

Hadoop 78

Hadoop SQL Database Kafka 78

Cloudera

NOVEMBER 8, 2022

Ozone is also highly available — the Ozone metadata is replicated by Apache Ratis, an implementation of the Raft consensus algorithm for high-performance replication. Since Ozone supports both Hadoop FileSystem interface and Amazon S3 interface, frameworks like Apache Spark, YARN, Hive, and Impala can automatically use Ozone to store data.

Metadata 85

Metadata Algorithm Hadoop Cloud 85

Cloudera

AUGUST 14, 2020

One key part of the fault injection service is a very lightweight passthrough fuse file system that is used by Ozone for storing all its persistent data and metadata. The APIs are generic enough that we could target both Ozone data and metadata for failure/corruption/delays. Introducing Apache Hadoop Ozone. NetFilter Extension.

Hadoop 96

Hadoop Bytes Metadata Programming Language 96

ProjectPro

MARCH 23, 2015

In one of our previous articles we had discussed about Hadoop 2.0 YARN framework and how the responsibility of managing the Hadoop cluster is shifting from MapReduce towards YARN. In one of our previous articles we had discussed about Hadoop 2.0 Here we will highlight the feature - high availability in Hadoop 2.0

Hadoop 40

Hadoop Big Data Architecture Metadata 40

ProjectPro

APRIL 4, 2015

With the help of our best in class Hadoop faculty, we have gathered top Hadoop developer interview questions that will help you get through your next Hadoop job interview. IT organizations from various domains are investing in big data technologies, increasing the demand for technically competent Hadoop developers.

Hadoop 40

Hadoop Big Data Recruitment Java 40

Cloudera

DECEMBER 3, 2024

REST Catalog Value Proposition It provides open, metastore-agnostic APIs for Iceberg metadata operations, dramatically simplifying the Iceberg client and metastore/engine integration. It provides real time metadata access by directly integrating with the Iceberg-compatible metastore. Add a Policy in Ranger > Hadoop SQL.

Metadata 85

Metadata SQL Database Data Warehouse 85

ProjectPro

NOVEMBER 7, 2016

Understanding the Hadoop architecture now gets easier! This blog will give you an indepth insight into the architecture of hadoop and its major components- HDFS, YARN, and MapReduce. We will also look at how each component in the Hadoop ecosystem plays a significant role in making Hadoop efficient for big data processing.

Hadoop 40

Hadoop Architecture IT Big Data 40

Cloudera

DECEMBER 7, 2020

Apache Hadoop Distributed File System (HDFS) is the most popular file system in the big data world. The Apache Hadoop File System interface has provided integration to many other popular storage systems like Apache Ozone, S3, Azure Data Lake Storage etc. Migrating file systems thus requires a metadata update. .

Systems 61

Systems Hadoop Metadata Datasets 61

LinkedIn Engineering

JUNE 15, 2023

In this blog post, we will discuss the AvroTensorDataset API, techniques we used to improve data processing speeds by up to 162x over existing solutions (thereby decreasing overall training time by up to 66%), and performance results from benchmarks and production. The bytes are decoded based on the provided features metadata (i.e.

Datasets 102

Datasets Bytes Process Data Ingestion 102

Cloudera

SEPTEMBER 23, 2020

Access audits are mastered centrally in Apache Ranger which provides comprehensive non-repudiable audit log for every access event to every resource with rich access event metadata such as: IP. Both fine-grained access control of database objects and access to metadata is provided. User, business classification of asset accessed.

Database 84

Database Data Lake Metadata Java 84

ProjectPro

JANUARY 27, 2016

Installing Hadoop cluster in production is just half the battle won. It is extremely important for a Hadoop admin to tune the Hadoop cluster setup to gain maximum performance. During Hadoop installation , the cluster is configured with default configuration settings which are on par with the minimal hardware configuration.

Hadoop 40

Hadoop Big Data Unstructured Data Portfolio 40

Cloudera

JUNE 25, 2021

This blog post outlines detailed step by step instructions to perform Hive Replication from an on-prem CDH cluster to a CDP Public Cloud Data Lake. The Sentry service serves authorization metadata from the database backed storage; it does not handle actual privilege validation. Hadoop SQL Policies overview. Troubleshooting.

Cloud 73

Cloud Data Lake Cloud Storage Metadata 73

Cloudera

AUGUST 21, 2020

These platforms represent far more than just “Hadoop” . But the “elephant in the room” is NOT ‘Hadoop’. E.g. HDFS ACLs, metadata authorization hooks, and dependencies that may lead to risks, exposures, failures later on. The post Dancing with Elephants in 5 Easy Steps appeared first on Cloudera Blog.

Hadoop 77

Hadoop Big Data Cloud Kafka 77

Netflix Tech

DECEMBER 14, 2018

In the previous blog posts in this series, we introduced the N etflix M edia D ata B ase ( NMDB ) and its salient “Media Document” data model. NMDB is built to be a highly scalable, multi-tenant, media metadata system that can serve a high volume of write/read throughput as well as support near real-time queries.

Media 97

Media Database Metadata Data Schemas 97

Data Engineering Weekly

DECEMBER 15, 2024

The blog further gives insight into IDE usage and documentation access. link] Dani: Apache Iceberg: The Hadoop of the Modern Data Stack? The comment on Iceber, a Hadoop of the modern data stack, surprises me. Python is undeniably becoming the de facto language for data practitioners.

Data Engineering 57

Data Engineering Data Engineer Engineering Hadoop 57

AltexSoft

FEBRUARY 11, 2023

It serves as a foundation for the entire data management strategy and consists of multiple components including data pipelines; , on-premises and cloud storage facilities – data lakes , data warehouses , data hubs ;, data streaming and Big Data analytics solutions ( Hadoop , Spark , Kafka , etc.);

Data Architect 87

Data Architect Certification Generalist Big Data 87

AltexSoft

OCTOBER 21, 2022

popular SQL and NoSQL database management systems including Oracle, SQL Server, Postgres, MySQL, MongoDB, Cassandra, and more; cloud storage services — Amazon S3, Azure Blob, and Google Cloud Storage; message brokers such as ActiveMQ, IBM MQ, and RabbitMQ; Big Data processing systems like Hadoop ; and. Kafka vs Hadoop. ZooKeeper issue.

Kafka 93

Kafka Hadoop Big Data ETL Tools 93

phData: Data Engineering

NOVEMBER 8, 2024

In this blog, we will discuss: What is the Open Table format (OTF)? Then, we add another column called HASHKEY , add more data, and locate the S3 file containing metadata for the iceberg table. In the screenshot below, we can see that the metadata file for the Iceberg table retains the snapshot history. Why should we use it?

Architecture 52

Architecture Systems Data Lake Google Cloud 52

Confluent

MAY 21, 2019

They are at the intersection of the way we develop software, the way we manage data, metadata and the interactions between teams. If you’re interested in reading about it more, Martin Kleppmann wrote a good blog post comparing schema evolution in different data formats. They are contract between teams.

Kafka 110

Kafka Insurance Architecture Database 110

Cloudera

FEBRUARY 11, 2021

The Ranger plugin base is available only in Java, as most Hadoop ecosystem projects, including Ranger, are written in Java. Metadata should still be granted on db=foo->tbl=* as it is required to check if the newly created table exists, which is the last step of table creation. Table ownership.

Hadoop 52

Hadoop Java Metadata Database 52

ProjectPro

JANUARY 31, 2023

In this blog, we'll dive into some of the most commonly asked big data interview questions and provide concise and informative answers to help you ace your next big data job interview. Typically, data processing is done using frameworks such as Hadoop, Spark, MapReduce, Flink, and Pig, to mention a few. RDBMS stores structured data.

Big Data 52

Big Data Hadoop Relational Database AWS 52

Cloudera

SEPTEMBER 1, 2020

You can use different processing frameworks for different use-cases, for example, you can run Hive for SQL applications, Spark for in-memory applications, and Storm for streaming applications, all on the same Hadoop cluster. Coordinates distribution of data and metadata, also known as shards. Before you Get Started.

Cloud Storage 71

Cloud Storage Unstructured Data AWS Analytics Application 71

Big Data Tools

SEPTEMBER 6, 2021

There are also several changes in KRaft (namely Revise KRaft Metadata Records and Producer ID generation in KRaft mode ), along with many other changes. Cache for ORC metadata in Spark – ORC is one of the most popular binary formats for data storage, featuring awesome compression and encoding capabilities. Support for Scala 2.12

Data Engineering 52

Data Engineering Data Engineer Engineering Big Data Tools 52

Data Engineering Weekly

FEBRUARY 18, 2024

One can’t deny the role of Redshift in bringing the cloud data warehouse to the masses, starting the end of the Big Data era with Hadoop. I believe the data ownership problem is much deeper than simple metadata management. All the retrospect keeps me wondering, So What is Next? What are we stepping into?

Data Engineering 62

Data Engineering Data Engineer Engineering Data 62