The talk introduces JBOD setup for Apache Kafka and shows how LinkedIn can save more than 30% storage cost in Kafka by adopting JBOD setup. The talk is given during the LinkedIn Streaming meetup in May, 2017.
Running Apache Kafka in production is only the first step in the Kafka operations journey. Professional Kafka users are ready to handle all possible disasters - because for most businesses having a disaster recovery plan is not optional.
In this session, we’ll discuss disaster scenarios that can take down entire Kafka clusters and share advice on how to plan, prepare and handle these events. This is a technical session full of best practices - we want to make sure you are ready to handle the worst mayhem that nature and auditors can cause.
Visit www.confluent.io for more information.
Meta/Facebook's database serving social workloads is running on top of MyRocks (MySQL on RocksDB). This means our performance and reliability depends a lot on RocksDB. Not just MyRocks, but also we have other important systems running on top of RocksDB. We have learned many lessons from operating and debugging RocksDB at scale.
In this session, we will offer an overview of RocksDB, key differences from InnoDB, and share a few interesting lessons learned from production.
Running Apache Kafka in production is only the first step in the Kafka operations journey. Professional Kafka users are ready to handle all possible disasters - because for most businesses having a disaster recovery plan is not optional.
In this session, we’ll discuss disaster scenarios that can take down entire Kafka clusters and share advice on how to plan, prepare and handle these events. This is a technical session full of best practices - we want to make sure you are ready to handle the worst mayhem that nature and auditors can cause.
Visit www.confluent.io for more information.
Meta/Facebook's database serving social workloads is running on top of MyRocks (MySQL on RocksDB). This means our performance and reliability depends a lot on RocksDB. Not just MyRocks, but also we have other important systems running on top of RocksDB. We have learned many lessons from operating and debugging RocksDB at scale.
In this session, we will offer an overview of RocksDB, key differences from InnoDB, and share a few interesting lessons learned from production.
Apache Spark in Depth: Core Concepts, Architecture & InternalsAnton Kirillov
Slides cover Spark core concepts of Apache Spark such as RDD, DAG, execution workflow, forming stages of tasks and shuffle implementation and also describes architecture and main components of Spark Driver. The workshop part covers Spark execution modes , provides link to github repo which contains Spark Applications examples and dockerized Hadoop environment to experiment with
Everything you wanted to know about Apache Tez:
-- Distributed execution framework targeted towards data-processing applications.
-- Based on expressing a computation as a dataflow graph.
-- Highly customizable to meet a broad spectrum of use cases.
-- Built on top of YARN – the resource management framework for Hadoop.
-- Open source Apache incubator project and Apache licensed.
This is the presentation I made on JavaDay Kiev 2015 regarding the architecture of Apache Spark. It covers the memory model, the shuffle implementations, data frames and some other high-level staff and can be used as an introduction to Apache Spark
Amazon Aurora services are MySQL and PostgreSQL -compatible relational database engines with the speed, reliability, and availability of high-end commercial databases at one-tenth the cost. This session introduces you to Amazon Aurora, explores the capabilities and features of Aurora, explains common use cases, and helps you get started with Aurora.
Simplify CDC Pipeline with Spark Streaming SQL and Delta LakeDatabricks
Change Data Capture CDC is a typical use case in Real-Time Data Warehousing. It tracks the data change log -binlog- of a relational database [OLTP], and replay these change log timely to an external storage to do Real-Time OLAP, such as delta/kudu. To implement a robust CDC streaming pipeline, lots of factors should be concerned, such as how to ensure data accuracy , how to process OLTP source schema changed, whether it is easy to build for variety databases with less code.
Best practices and lessons learnt from Running Apache NiFi at RenaultDataWorks Summit
No real-time insight without real-time data ingestion. No real-time data ingestion without NiFi ! Apache NiFi is an integrated platform for data flow management at entreprise level, enabling companies to securely acquire, process and analyze disparate sources of information (sensors, logs, files, etc) in real-time. NiFi helps data engineers accelerate the development of data flows thanks to its UI and a large number of powerful off-the-shelf processors. However, with great power comes great responsibilities. Behind the simplicity of NiFi, best practices must absolutely be respected in order to scale data flows in production & prevent sneaky situations. In this joint presentation, Hortonworks and Renault, a French car manufacturer, will present lessons learnt from real world projects using Apache NiFi. We will present NiFi design patterns to achieve high level performance and reliability at scale as well as the process to put in place around the technology for data flow governance. We will also show how these best practices can be implemented in practical use cases and scenarios.
Speakers
Kamelia Benchekroun, Data Lake Squad Lead, Renault Group
Abdelkrim Hadjidj, Solution Engineer, Hortonworks
Designing and Implementing a Real-time Data Lake with Dynamically Changing Sc...Databricks
Building a curated data lake on real time data is an emerging data warehouse pattern with delta. However in the real world, what we many times face ourselves with is dynamically changing schemas which pose a big challenge to incorporate without downtimes.
Migrate your EOL MySQL servers to HA Complaint GR Cluster / InnoDB Cluster Wi...Mydbops
This talk focuses on the challenges and strategies to be followed when you're planning for a MySQL upgrade from the End of life versions of MySQL 5.5, 5.6, Even 5.7.
1049: Best and Worst Practices for Deploying IBM Connections - IBM Connect 2016panagenda
Depending on deployment size, operating system and security considerations you have different options to configure IBM Connections. This session show good and bad examples on how to do it from multiple customer deployments. Christoph Stoettner describes things he found and how you can optimize your systems. Main topics include simple (documented) tasks that should be applied, missing documentation, automated user synchronization, TDI solutions and user synchronization, performance tuning, security optimizing and planning Single Sign On for mail, IBM Sametime and SPNEGO. This is valuable information that will help you to be successful in your next IBM Connections deployment project.
A presentation from Christoph Stoettner (panagenda).
Apache Spark in Depth: Core Concepts, Architecture & InternalsAnton Kirillov
Slides cover Spark core concepts of Apache Spark such as RDD, DAG, execution workflow, forming stages of tasks and shuffle implementation and also describes architecture and main components of Spark Driver. The workshop part covers Spark execution modes , provides link to github repo which contains Spark Applications examples and dockerized Hadoop environment to experiment with
Everything you wanted to know about Apache Tez:
-- Distributed execution framework targeted towards data-processing applications.
-- Based on expressing a computation as a dataflow graph.
-- Highly customizable to meet a broad spectrum of use cases.
-- Built on top of YARN – the resource management framework for Hadoop.
-- Open source Apache incubator project and Apache licensed.
This is the presentation I made on JavaDay Kiev 2015 regarding the architecture of Apache Spark. It covers the memory model, the shuffle implementations, data frames and some other high-level staff and can be used as an introduction to Apache Spark
Amazon Aurora services are MySQL and PostgreSQL -compatible relational database engines with the speed, reliability, and availability of high-end commercial databases at one-tenth the cost. This session introduces you to Amazon Aurora, explores the capabilities and features of Aurora, explains common use cases, and helps you get started with Aurora.
Simplify CDC Pipeline with Spark Streaming SQL and Delta LakeDatabricks
Change Data Capture CDC is a typical use case in Real-Time Data Warehousing. It tracks the data change log -binlog- of a relational database [OLTP], and replay these change log timely to an external storage to do Real-Time OLAP, such as delta/kudu. To implement a robust CDC streaming pipeline, lots of factors should be concerned, such as how to ensure data accuracy , how to process OLTP source schema changed, whether it is easy to build for variety databases with less code.
Best practices and lessons learnt from Running Apache NiFi at RenaultDataWorks Summit
No real-time insight without real-time data ingestion. No real-time data ingestion without NiFi ! Apache NiFi is an integrated platform for data flow management at entreprise level, enabling companies to securely acquire, process and analyze disparate sources of information (sensors, logs, files, etc) in real-time. NiFi helps data engineers accelerate the development of data flows thanks to its UI and a large number of powerful off-the-shelf processors. However, with great power comes great responsibilities. Behind the simplicity of NiFi, best practices must absolutely be respected in order to scale data flows in production & prevent sneaky situations. In this joint presentation, Hortonworks and Renault, a French car manufacturer, will present lessons learnt from real world projects using Apache NiFi. We will present NiFi design patterns to achieve high level performance and reliability at scale as well as the process to put in place around the technology for data flow governance. We will also show how these best practices can be implemented in practical use cases and scenarios.
Speakers
Kamelia Benchekroun, Data Lake Squad Lead, Renault Group
Abdelkrim Hadjidj, Solution Engineer, Hortonworks
Designing and Implementing a Real-time Data Lake with Dynamically Changing Sc...Databricks
Building a curated data lake on real time data is an emerging data warehouse pattern with delta. However in the real world, what we many times face ourselves with is dynamically changing schemas which pose a big challenge to incorporate without downtimes.
Migrate your EOL MySQL servers to HA Complaint GR Cluster / InnoDB Cluster Wi...Mydbops
This talk focuses on the challenges and strategies to be followed when you're planning for a MySQL upgrade from the End of life versions of MySQL 5.5, 5.6, Even 5.7.
1049: Best and Worst Practices for Deploying IBM Connections - IBM Connect 2016panagenda
Depending on deployment size, operating system and security considerations you have different options to configure IBM Connections. This session show good and bad examples on how to do it from multiple customer deployments. Christoph Stoettner describes things he found and how you can optimize your systems. Main topics include simple (documented) tasks that should be applied, missing documentation, automated user synchronization, TDI solutions and user synchronization, performance tuning, security optimizing and planning Single Sign On for mail, IBM Sametime and SPNEGO. This is valuable information that will help you to be successful in your next IBM Connections deployment project.
A presentation from Christoph Stoettner (panagenda).
XPDS14 - Scaling Xen's Aggregate Storage Performance - Felipe Franciosi, CitrixThe Linux Foundation
Storage systems continue to deliver better performance year after year. High performance solutions are now available off-the-shelf, allowing users to boost their servers with drives capable of achieving several GB/s worth of throughput per host. To fully utilise such devices, workloads with large queue depths are often necessary. In virtual environments, this translates into aggregate workloads coming from multiple virtual machines.
Having previously addressed the impact of low latency devices in virtualised platforms, we are now aiming at optimising aggregate workloads. We will discuss the existing memory grant technologies available in Xen and compare trade-offs and performance implications of each: grant mapping, persistent grants and grant copy. For the first time, we will present grant copy as an alternative and show measurements over 7 GB/s, maxing out a set of local SSDs.
MySQL Transformation Case Study: 80% Cost Savings & Uninterrupted Availabilit...Mydbops
Discover how Mydbops achieved an impressive 80% cost savings and ensured uninterrupted availability through a transformative MySQL database case study. Join Vinoth Kanna RS, Co-Founder of Mydbops, as he shares insights into optimizing infrastructure, enhancing observability, and navigating critical technology decisions. Learn from real-world challenges, innovative solutions, and valuable takeaways for your own database management endeavors.
Xen has made strides in scaling network performance such that it can now saturate 10 Gbit/s NICs and more taking in account aggregate throughput in multi-queued host backends.
Grant usage, one of the main bottlenecks associated with paravirtualizated I/O, has seen a number of improvements in the past years. However, 100 Gbit/s network adapters beckon and 25 Gbit/s will replace current 10 Gbit/s adapters in short order. This will require us to revisit the datapath.
This presentation discusses ways of overcoming this bottleneck and we describe the work we have been doing in the area without compromising the current grant-based model. We discuss a number of topics in this talk, such as page recycling mechanisms, grants versus copying and trends in networking/drivers. Finally we pitch an optional grant-less model in a way that can be managed by adminstrators and is transparent to guests.
Reusing your existing software on Android
1. Runnig the existing software on Android
1.1 Rebuilding by Android tool chain
1.2 Running the binary as is
2. Running Android on your existing Linux environment
I show you 'Android on Ubuntu server'
Topics covered in this presentation, which was used for user group meetings, conferences & webinars:
1. Galera Cluster for MySQL - overview
2. Release 3 New Features:
* WAN Replication
* 5.6 Global Transaction ID (GTID) Support
* MySQL Replication Support
* and more features
3. The Galera Cluster Project
Containerize Legacy .NET Framework Web Apps for Cloud Migration Amazon Web Services
It can be daunting to migrate legacy .NET applications to the cloud. In this session, see how we use Microsoft Visual Studio and the AWS Management Console to demonstrate how to containerize a legacy .NET app with a SQL backend, and then deploy with Amazon ECS. We cover the Docker build and deployment process that are required to containerize the application, and we use Amazon EC2 Container Registry (Amazon ECR) to host the Docker image.
Scylla on Kubernetes: Introducing the Scylla OperatorScyllaDB
How can Kubernetes be best used to automate the deployment, scaling, and various operations of a Scylla database?
Enter Kubernetes Operators, the way to combine domain-specific knowledge about Scylla with the automation framework of Kubernetes.
In this presentation, we will quickly explore what Kubernetes is and why it works so well, highlight the pain points of running Scylla with just Kubernetes primitives, and show how we extended Kubernetes so that it can correctly operate a Scylla database.
Finally, we will show the Scylla Operator in action and show how easily you can spin up a Scylla cluster with just one command.
Aujourd’hui, un nombre important de nos clients ont franchi le cap et utilisent Oracle 12c pour des applications en production. Parmi tous ces clients, nous constatons de plus en plus un intérêt prononcé pour l’option Multitenant.
Même si le passage à l’option Multitenant ne présente pas de difficultés en soi, il existe de nombreux pièges à éviter ainsi que quelques points à clarifier, notamment sur les aspects relatifs à la performance.
En abordant un cas concret avec l’un de nos clients, cette présentation vous apportera des éléments de réponses afin de vous permettre d’envisager sereinement la mise en œuvre de cette option qui constitue un changement important et très intéressant d’un point vue architecture.
Redis Developers Day 2014 - Redis Labs TalksRedis Labs
These are the slides that the Redis Labs team had used to accompany the session that we gave during the first ever Redis Developers Day on October 2nd, 2014, London. It includes some of the ideas we've come up with to tackle operational challenges in the hyper-dense, multi-tenants Redis deployments that our service - Redis Cloud - consists of.
Data deduplication is a hot topic in storage and saves significant disk space for many environments, with some trade offs. We’ll discuss what deduplication is and where the Open Source solutions are versus commercial offerings. Presentation will lean towards the practical – where attendees can use it in their real world projects (what works, what doesn’t, should you use in production, etcetera).
Similar to Kafka at half the price with JBOD setup (20)
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
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About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.