Confluent

JULY 10, 2019

As discussed in part 2, I created a GitHub repository with Docker Compose functionality for starting a Kafka and Confluent Platform environment, as well as the code samples mentioned below. jar Zip file size: 5849 bytes, number of entries: 5. jar Zip file size: 11405084 bytes, number of entries: 7422. Kafka Streams.

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Scribd Technology

MAY 18, 2021

Streaming data from Apache Kafka into Delta Lake is an integral part of Scribd’s data platform, but has been challenging to manage and scale. We use Spark Structured Streaming jobs to read data from Kafka topics and write that data into Delta Lake tables. To serve this need, we created kafka-delta-ingest.

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Confluent

APRIL 30, 2019

With the release of Apache Kafka ® 2.1.0, Kafka Streams introduced the processor topology optimization framework at the Kafka Streams DSL layer. In what follows, we provide some context around how a processor topology was generated inside Kafka Streams before 2.1, Kafka Streams topology generation 101.

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Confluent

JULY 24, 2019

Using Jaeger tracing, I’ve been able to answer an important question that nearly every Apache Kafka ® project that I’ve worked on posed: how is data flowing through my distributed system? Distributed tracing with Apache Kafka and Jaeger. Example of a Kafka project with Jaeger tracing. What does this all mean?

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Confluent

MAY 29, 2019

In part 1 , we discussed an event streaming architecture that we implemented for a customer using Apache Kafka ® , KSQL from Confluent, and Kafka Streams. In part 3, we’ll explore using Gradle to build and deploy KSQL user-defined functions (UDFs) and Kafka Streams microservices. Sample repository. gradlew composeUp.

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DoorDash Engineering

AUGUST 15, 2023

For a more detailed introduction to BPF portability and CO-RE, see Andrii Nakryiko’s blog post on the subject. We also have an unmarshalling function to convert the raw bytes from the kernel into our structure. The post BPFAgent: eBPF for Monitoring at DoorDash appeared first on DoorDash Engineering Blog.

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ProjectPro

JUNE 29, 2021

Your search for Apache Kafka interview questions ends right here! Let us now dive directly into the Apache Kafka interview questions and answers and help you get started with your Big Data interview preparation! How to study for Kafka interview? What is Kafka used for? What are main APIs of Kafka?

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Pinterest Engineering

NOVEMBER 28, 2023

When there is a full GC, it leads to full halt to the data processing pipeline and causes both back-pressure for upstream kafka clusters and cascading failure for downstream TSDB. Pyoung = Seden / Ralloc where Pyoung is the period between young GC, Seden is the size of Eden and Ralloc is the rate of memory allocations (bytes per second).

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Data Engineering Weekly

FEBRUARY 5, 2023

The ML for large-scale production systems highlights the improvement made from the existing heuristic in the YouTube cache replacement algorithm with a new hybrid algorithm that combines a simple heuristic with a learned model, improving the byte miss ratio at the peak by ~9%. The blog talks about four types of architecture.

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Netflix Tech

AUGUST 30, 2021

In this blog post, we will focus on the latter feature set. The challenge, then, is to be able to ingest and process these events in a scalable manner, i.e., scaling with the number of devices, which will be the focus of this blog post. In particular, the Kafka integration is the most relevant for this blog post.

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Big Data Tools

JUNE 8, 2022

RocksDB is a storage engine with a key/value interface, where keys and values are arbitrary byte streams written as a C++ library. Kafka: Mark KRaft as Production Ready – One of the most interesting changes to Kafka from recent years is that it now works without ZooKeeper. Of course, the main topic is data streaming.

Data Engineering 52

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Big Data Tools

JUNE 8, 2022

RocksDB is a storage engine with a key/value interface, where keys and values are arbitrary byte streams written as a C++ library. Kafka: Mark KRaft as Production Ready – One of the most interesting changes to Kafka from recent years is that it now works without ZooKeeper. Of course, the main topic is data streaming.

Data Engineering 52

Data Engineering Data Engineer Engineering Kafka 52

Rockset

AUGUST 11, 2022

Our esteemed roundtable included leading practitioners, thought leaders and educators in the space, including: Ben Rogojan , aka Seattle Data Guy , is a data engineering and data science consultant (now based in the Rocky Mountain city of Denver) with a popular YouTube channel , Medium blog , and newsletter. Doing the pre-work is important.

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Rockset

FEBRUARY 14, 2020

I walk through an end to end integration of requesting data from the car, streaming it into a Kafka Topic and using Rockset to expose the data via its API to create real time visualisations in D3. Getting started with Kafka When starting with any new tool I find it best to look around and see the art of the possible.

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Rock the JVM

AUGUST 9, 2022

Logs-As-A-Stream Many messaging platforms, such as Kafka, Pulsar, and/or RabbitMQ have what they advertise as Stream s. FileInputStream In our example later, we are going to process blog posts to parse tag meta-data. class RealFakeInputStream [ T T ) extends InputStream { val data : Array [ Byte ] = "0123456789". run ( sink ).

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Confluent

OCTOBER 24, 2019

I’ve written an event sourcing bank simulation in Clojure (a lisp build for Java virtual machines or JVMs) called open-bank-mark , which you are welcome to read about in my previous blog post explaining the story behind this open source example. Also, there are several functions wrapping the Java clients for Kafka.

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Confluent

SEPTEMBER 24, 2019

Franz Kafka, 1897. Load balancing and scheduling are at the heart of every distributed system, and Apache Kafka ® is no different. Kafka clients—specifically the Kafka consumer, Kafka Connect, and Kafka Streams, which are the focus in this post—have used a sophisticated, paradigmatic way of balancing resources since the very beginning.

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DoorDash Engineering

JANUARY 23, 2024

New input formats: Currently, the platform is supporting byte-based input. The post Meeting DoorDash Growth with a Self-Service Logistics Configuration Platform appeared first on DoorDash Engineering Blog. Having separate endpoints for them will keep the blast radius limited and isolated.

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ProjectPro

FEBRUARY 21, 2023

Whether you are just starting your career as a Data Engineer or looking to take the next step, this blog will walk you through the most valuable data engineering certifications and help you make an informed decision about which one to pursue. Why Are Data Engineering Skills In Demand?

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ProjectPro

JULY 6, 2016

This is just a hypothetical case that we are talking about and if you prepare well, you will be able to answer any HBase Interview Question, during your next Hadoop job interview, having read ProjectPro Hadoop Interview Questions blogs. To iterate through these values in reverse order-the bytes of the actual value should be written twice.

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ProjectPro

JULY 26, 2016

Recommended Reading: 100 Kafka Interview Questions and Answers 20 linear regression interview questions and answers Top 50 NLP Interview Questions and Answers Top 20 Logistic Regression Interview Questions and Answers How can you create a deep copy of the complete java object along with its state?

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ProjectPro

NOVEMBER 22, 2021

For input streams receiving data through networks such as Kafka, Flume, and others, the default persistence level setting is configured to achieve data replication on two nodes to achieve fault tolerance. MEMORY ONLY SER: The RDD is stored as One Byte per partition serialized Java Objects. But the problem is, where do you start?

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