Cost-effective High Availability with Veritas Cluster Server
By: Symantec Corporation View more from Symantec Corporation >>
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Royal Holloway: A novel approach to clustering malware behaviour to improve malware detection
By: TechTarget ComputerWeekly.com
Type: Research Content
This article is based on a study to evaluate the accuracy of clustering-based malware detection to see whether it improves malware detection. Clustering malware behaviour can be very useful, but it is unknown how accurate clustering algorithms are when dealing with malware. In this article I describe an attempt to measure the accuracy of these algorithms. My results show that the accuracy of clustering-based malware detection is highly subjective.
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Are You Always On? High Availability for On-Prem, Hybrid & Multi-Cloud Apps
By:
Type: Replay
IT complexities compromise the availability and performance of enterprise applications. Veritas and Hitachi Vantara solves this challenge by automating IT continuity across all platforms and operating systems, enabling applications to perform at their best and achieve “Always On” for their business. “Always on” is standard operating procedure today. Organizations cannot afford downtime and disruption without losing revenue, customers, and momentum. In addition to local and remote replication, IT builds in clustering and multi-pathing so that they can not only recover data, but also fail over to another component non-disruptively. However, ESG research reveals the difficulty of achieving these objectives. Only 22% of research respondents reported that they always achieve their recovery SLAs. Furthermore, 35% report that they can only tolerate less than one hour of downtime for their applications, and yet 68% of respondents reported experiencing an outage of at least one hour in the past year. There is a clear disconnect between what organizations need and what they are able to achieve. In this session, ESG analyst Vinny Choinski is joined by Paul Romero and Federick Brillantes from Hitachi Vantara, and Doug Snyder from Veritas Technologies, to take a closer look at the latest research that addresses how businesses can become data smart and maintain an ‘Always On’ mentality. They’ll also be sharing how to overcome the challenges businesses face when striving to deliver highly available applications and data across on-premise, hybrid, and multi-cloud environments. Join ESG, Hitachi Vantara and Veritas to discover: - What being ‘data smart’ means in 2022 - How to prepare for hidden challenges that can wreak havoc on numerous critical production applications - and how to overcome them - How Hitachi and Veritas’s partnership can simplify, replication, and disaster recovery in on-premise and hybrid/multi-clouds
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Are You Always On? High Availability for On-Prem, Hybrid & Multi-Cloud Apps
By:
Type: Talk
IT complexities compromise the availability and performance of enterprise applications. Veritas and Hitachi Vantara solves this challenge by automating IT continuity across all platforms and operating systems, enabling applications to perform at their best and achieve “Always On” for their business. “Always on” is standard operating procedure today. Organizations cannot afford downtime and disruption without losing revenue, customers, and momentum. In addition to local and remote replication, IT builds in clustering and multi-pathing so that they can not only recover data, but also fail over to another component non-disruptively. However, ESG research reveals the difficulty of achieving these objectives. Only 22% of research respondents reported that they always achieve their recovery SLAs. Furthermore, 35% report that they can only tolerate less than one hour of downtime for their applications, and yet 68% of respondents reported experiencing an outage of at least one hour in the past year. There is a clear disconnect between what organizations need and what they are able to achieve. In this session, ESG analyst Vinny Choinski is joined by Paul Romero and Federick Brillantes from Hitachi Vantara, and Doug Snyder from Veritas Technologies, to take a closer look at the latest research that addresses how businesses can become data smart and maintain an ‘Always On’ mentality. They’ll also be sharing how to overcome the challenges businesses face when striving to deliver highly available applications and data across on-premise, hybrid, and multi-cloud environments. Join ESG, Hitachi Vantara and Veritas to discover: - What being ‘data smart’ means in 2022 - How to prepare for hidden challenges that can wreak havoc on numerous critical production applications - and how to overcome them - How Hitachi and Veritas’s partnership can simplify, replication, and disaster recovery in on-premise and hybrid/multi-clouds
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Kubernetes on various clusters - Italian edition
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Type: Video
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Juniper's Multicloud Container Platform - Juke 2.2 Preview
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Discover Palette, the easy way to manage your Kubernetes clusters
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This webinar is perfect for platform engineers, devops engineers and operations teams, whether you’re looking to start running Kubernetes in production, or are struggling with your current tooling as your clusters grow. In just one hour, we’ll give you a lightning tour of Spectro Cloud Palette and show you how it makes Kubernetes simple: even if you’re running hundreds of clusters, across cloud, data center and edge. You’ll learn how to: - Easily model the full stack of all your Kubernetes clusters with Palette’s unique Cluster Profiles, including your choice of pre-validated software integrations, operating systems and K8s distributions. - Deploy your clusters with a click to clouds, virtualized and bare metal data centers, and even to the edge. - Scale to thousands of clusters and consistently enforce the desired state with our unique decentralized architecture. - Manage the full lifecycle of all your clusters from one place — and even import existing ‘brownfield’ clusters. - Automate day 2 operations including monitoring and observability, self-healing, patching, upgrades, security scans, backup & restore and cost controls. Maintain enterprise-grade control with granular RBAC, zero trust, policies and quotas. You'll have the opportunity to ask questions and engage with our team during the live webinar. If you're unable to attend, the recording will be available for later viewing. Don't miss this chance to take control of your Kubernetes clusters. Register now!
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Kafka + Disaster Recovery: Are You Ready?
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Type: Video
In this webinar, we’ll walk you through best practices for building a disaster recovery plan for your Kafka deployment(s) with Confluent to ensure your applications continuously run and automatically failover if and when an outage strikes. We’ll also walk you through a technical demo showing you how to enable global data sharing with perfectly mirrored replication between clusters, regardless of what environments and geos they reside in. Through this demo, you’ll learn how to up your disaster recovery game by bringing resilient, cost-effective geo-replication solutions to any of your private environments.
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Migrate to an OS that supports your business now and in the future
By: Red Hat
Type: Product Overview
Want to ease your migration from CentOS Linux 7 to a supported platform? Red Hat Enterprise Linux for Third Party Linux Migration with Extended Life Cycle Support on AWS offers a low-cost, high-value solution to maintain operational continuity. Read on now to learn more about this offering.
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Homelab: Cloud-native ad blocking on Raspberry Pi
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Type: Talk
Learn how to set up a Pi-Hole instance with a single command and a cluster of Raspberry Pis on MicroK8s. High availability, load balancing and Kubernetes configuration included. The Raspberry Pi 4 brings the graphics, RAM and connectivity needed for a Linux workstation, so why not use a cluster to set up your own Pi-Hole, the open source network-level ad blocker that acts as a DNS sinkhole or DHCP server. Or follow along to learn more about MicroK8s, here we’ll highlight the how's and the why's of high availability that came with MicroK8s 1.19 along with the use cases of lightweight Kubernetes.
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How you can simplify cluster security at scale
By: CyberArk
Type: White Paper
Today, organizations are prioritizing the development of their hybrid and multi-cloud environments in order to keep up with the ever-evolving landscape. However, these environments present a multitude of security risks, leaving many companies vulnerable. Access this white paper to learn more.
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Enhancing Service Availability with Kubernetes in Power-Interrupted Environments
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Type: Talk
Running on-premise applications in developing countries like the Philippines often means dealing with frequent power interruptions that can last for hours or even days, severely impacting service availability to clients. Kubernetes offers a solution by automatically provisioning services and maintaining replicas, significantly reducing downtime and ensuring continuity. However, setting up Kubernetes in such an environment is complex. In this session, Justine will guide you through the process of spinning up a Kubernetes cluster from baremetal servers using k0s over Tailscale VPN. First, we will discuss how to bootstrap the cluster automatically using k0sctl. Then, we will write the configuration necessary for our setup. Finally, we will provision a basic server to verify that our setup is working. We will cover both the basic and specific configurations needed to make the cluster work effectively, including configurations for integrating Tailscale and Calico for networking. Join us to discover how to self-host Kubernetes to enhance service availability and resilience for on-premise applications.
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The Total Economic Impact Of The Rancher Prime Enterprise Kubernetes Management Platform
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Rancher Prime is designed to help simplify the management of your Kubernetes clusters at scale. This Total Economic Impact (TEI) report from Forrester examines the possible ROI you could realize with Rancher and provides a framework for you to evaluate the financial impact of the platform if you choose to adopt it. Access the Forrester TEI report.
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Data management at scale for the cloud native era
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Managing day 2 storage operations like backup and security can be a daunting task in a cloud-native environment — and at scale, it can seem impossible. In this 45-minute webinar, we’re welcoming the enterprise data gurus from Portworx. They’ll lead us through the requirements for modern storage on K8s, including a step-by-step demo of best practices for common use cases in Portworx Enterprise. Then we’ll show how Portworx and Spectro Cloud Palette work together at scale, helping you manage your storage configurations as part of your overall K8s stack, across hundreds of clusters. If you’ve been wrestling with the challenges of data management in your K8s clusters, this webinar will give you the answers you’ve been looking for. What you'll learn: - AA level-set on modern storage requirements for day 2 operations, from redundancy to security - Key use case demos on a live K8s cluster covering high availability, backup and more - How to consistently scale cluster storage profiles across multiple clusters
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SQL Server 2019 and Containerization: Considerations for a Changing World
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Tame the Chaos: Make Multi-cloud Management Secure and Cost Effective
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Top Three Benefits of Using GitOps Driven Multi-Cluster Workload Management
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With Kubernetes becoming more and more popular every day, so is managing clusters at scale. Managing Kubernetes clusters the GitOps way via Flux CD operator you can manage thousands of clusters, each with dozens or even hundreds of nodes. GitOps works by using Git as a single source of truth for declarative infrastructure and applications. For a Kubernetes cluster the Git repository hosts all resource manifests making up an application. Flux leverages this principle with a set of controllers watching one or more Git repositories for such manifests and automatically applies them. Join this session, to learn the top three benefits of managing Kubernetes clusters at scale, the GitOps way using the Flux CD operator. • Creates a simplified way to declaratively define thousands of clusters and perform operations on those clusters, as you would the workloads on the clusters • Makes it easy to have a multi-tenancy approach where each team or group of applications gets their own cluster • Operations against clusters are fully audited and attributable, as reverting changes is hard
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Big Data for Big Data: Machine Learning Models of Hadoop Cluster Behavior
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How to Deploy a Production Grade Cluster, and Share Access to your Team
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Configuring and deploying a Kubernetes cluster has become relatively easy, whether on-premise or in a public cloud. However, configuring a production grade cluster that meets industry-standard is significantly more difficult. Cluster administrators need to secure the access to it, configure observability, build platform services, integrate with the Enterprise software supply chain, extend cluster functionality, in order to successfully create a production grade cluster. Proper governance of your k8s cluster is critical and giving secure access to developers can be a painful process involving cluster certificates, access management systems, complex identity management, networking setup, and firewalls. Cluster admins want a much simpler, more automated solution that makes it easy to provide cluster access while continuing to leverage their existing RBAC to developers and their teams -- quickly, consistently, automatically, and securely, for multiple clusters, running behind different identity provider platforms and network setups. In this demo-focused Webinar, The Mirantis team will showcase how to configure a Mirantis Kubernetes Engine cluster and securely share access to the cluster through Lens Spaces - a cloud-based enhancement brought to Lens.
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Self-healing Kubernetes at the edge: MicroK8s, Raspberry Pis and Portainer
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Type: Talk
As developers and businesses are shifting their attention to the edge, we see a growing interest for home-grown Kubernetes clusters that adopt mission-critical features, such as self-healing high-availability. Kubernetes simplifies container deployments by abstracting the resource management details from the users, allowing them to deploy using standard CLI or templates. Edge adds the challenge of executing these deployments at scale and with no access for local troubleshooting. This is where MicroK8s and Portainer shine, bringing a strong combination of a streamlined Kubernetes experience for small devices, such as the Raspberry Pi, and an intuitive UI to manage Kubernetes and containers across geographies. In this technical session, you’ll learn: - How MicroK8s brings a full Kubernetes to edge deployments - How to build your own highly-available edge cluster with Raspberry Pis - How to use the Portainer dashboard to manage your Kubernetes - How to use Kubernetes deployments to ensure zero-downtime
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Validating & Testing Your Kubernetes Cluster
By:
Type: Video
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It's hyper converged-with-everything in today's datacentre
By: TechTarget ComputerWeekly.com
Type: eGuide
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High Performance Object Storage in 30 Minutes with Supermicro and MinIO
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Type: Talk
The Supermicro CloudDC is the perfect combination of performance, reliability, craftsmanship and flexibility for deploying MinIO object storage. MinIO on the CloudDC platform outperforms and is more cost-effective than equivalently-sized hardware from other manufacturers. We recently benchmarked a cluster of four CloudDC servers with NVMe drives and measured an impressive 42.57 GB/s average read (GET) throughput and 24.69 GB/s average write (PUT) throughput. This first class performance demonstrates that MinIO on Supermicro CloudDC is a compelling solution for object storage intensive workloads such as advanced analytics, AI/ML and other modern, cloud-native applications. In this webinar, you will learn: Best use cases and deployment considerations for MinIO object storage How to design and size a MinIO object storage cluster on Supermicro CloudDC How to deploy a distributed MinIO cluster onto a CloudDC server cluster
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How to Optimize your Veritas NetBackup on a Budget
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Type: Talk
Exponential data growth can take a toll on your storage budget. Your data storage requirements are likely getting bigger and bigger, but you have options to keep costs under control. In this webinar you will learn how Quest QoreStor can tier Veritas Net Backup to Wasabi hot cloud storage. What you will learn: - How you can reduce storage requirements and costs through content-aware, variable block deduplication - How to replicate your Veritas backups directly to Wasabi for long term retention and recovery - How leveraging Quest QoreStor and Wasabi can provide high speed backups and immediate recovery at a fraction of the cost - How Veritas, Quest QoreStor, and Wasabi together is a perfect solution to meet your cloud tiering objectives
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K8s Limits and Requests: Monitoring and Troubleshooting by example
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Type: Replay
Are your Kubernetes applications not performing well enough? Is your infrastructure oversized? Kubernetes limits and requests dictate the resources available to your applications, so when they aren’t set correctly your cluster suffers from CPU throttling and Out Of Memory Kills. Oversizing your infrastructure is an easy, but expensive, solution — there must be a better way. Prometheus metrics give you insight on your Kubernetes limits and requests, helping detect and troubleshoot common issues. Learn how to maximize the availability and performance of your Kubernetes infrastructure with proven examples.
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Quick Steps to Engineer a Bespoke, Multi-Cluster Kubernetes Platform
By:
Type: Talk
Delivering Kubernetes on demand sounds simple. But it gets complicated fast. - Most solutions are pretty opinionated, and (for public clouds especially) hard or impossible for users to change. - Managing infrastructure (e.g., VMs) under Kubernetes still needs to be done (and for multi-cluster setups, it needs to be done a lot), which is slow and tends to be failure-prone. - Updating and lifecycle-managing multiple clusters is not a picnic -- on public clouds, okay, but on private clouds? You have 99 problems. What if we told you none of that was necessary? That you could -- in just a few steps: - Build a system to deliver bespoke Kubernetes clusters on demand, fast, with huge flexibility in cluster composition, and with wild freedom to explore use-cases demanding worker/control plane separation, workers that run remote from backplanes, workers that run on IoT hardware? - Make all these K8s clusters painlessly self-updating, self-scaling on private and/or public clouds, and easy to operate - And do all this in an entirely Kubernetes-native, declarative, infra-as-code way that leverages Kubernetes itself to keep multiple clusters healthy, secure, performant, and (as relevant) resource- and cost-optimized? You instantly gain speed, simplified operations, improved security, lower costs, and massive flexibility for new use cases. In this webinar, Daniel Virassamy from Team k0s explains: - What k0s and k0smotron are and how they work - Real life use cases for multi-cluster Kubernetes, and how they map to a k0s/k0smotron architecture on various (or multiple) infrastructures - Components required: k0s, k0smotron operator, k0s Autopilot, k0s CAPI operator - How to make it yours: Incredibly-simple automation recipes for making these moving parts work together -- all of which integrate with tools you're already using
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Multi-Cloud Kubernetes Operations and Observability with VMware Tanzu
By:
Type: Talk
As the adoption of microservices-based applications and Kubernetes accelerates, so does the number of disparate clusters that require consistent and secure management. The old, manual, cluster-by-cluster approach quickly becomes insufficient and error-prone. You need help to automate provisioning, managing, and operating Kubernetes clusters across different environments while having full-stack observability. In our webinar, we’ll: - Share how to manage and operate Kubernetes clusters across hybrid and multi-cloud from a single console with built-in security policies - Show you how to identify incidents within Kubernetes clusters and application workloads quickly - Demonstrate how highly efficient SRE teams troubleshoot their high-scale Kubernetes deployments and resolve CI/CD pipeline issues
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Accelerate Your Hybrid Cloud Adoption on Azure
By:
Type: Replay
Organizations are increasingly looking to hybrid cloud as a solution for a range of business and IT challenges that range from datacenter transformation and application modernization projects, and increasing the cost efficiencies in application and infrastructure management. An effective hybrid cloud enables applications to be run across private and public clouds, all operated as a single cloud. During Microsoft Ignite 2022, Nutanix and Microsoft announced the general availability of Nutanix Cloud Clusters (NC2) on Microsoft Azure, a simpler, faster, more cost-effective path to Azure. Learn all that’s new on offer and why Nutanix hybrid cloud is so compelling to organizations. Hear from Nutanix and Microsoft Product Management on how the solution helps customers dramatically reduce the operational complexity, risks and costs of migrating, extending, or bursting applications on-premises and in the public cloud. Watch a solution demo to see just how it’s done. Presenters: Marc Trouard-Riolle, Director, Product Marketing S. Ashok, Principal Product Manager for Nutanix Cloud Clusters on Azure Dwayne Lessner, Principal Technical Marketing Engineer, Nutanix Swapna Kotagiri, Principal Product Manager, Microsoft
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Expanded AI Solution to Accelerate AI Factory Deployments
By: Penguin Solutions
Type: Analyst Report
Penguin Solutions expanded its OriginAI solution to accelerate AI deployments with predictable performance, cost-efficiency, and expert services. The solution aims to address enterprise challenges around scalability, compliance, and technical expertise for AI workloads. Read this full analyst report to learn more.
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How to achieve full situational awareness of multiple Kubernetes clusters
By:
Type: Talk
Join us for an informative and engaging webinar featuring Lens, the world's most popular Kubernetes IDE. Designed to streamline the Kubernetes learning and development experience, Lens empowers developers and operators by simplifying complex tasks. In this demo-rich webinar, a member of the Lens development team will provide invaluable insights, practical tips, and best practices for effectively working with multiple Kubernetes clusters. Gain a comprehensive understanding of the following key topics: - Attain Full Situational Awareness: Unlock the power of Kubernetes by gaining complete situational awareness. Learn how to navigate and manage your clusters with ease, ensuring you have a holistic view of your environment. - Real-Time Cluster Observability: Discover how Lens provides real-time insights into your Kubernetes clusters. Explore advanced observability features that enable you to monitor and troubleshoot your applications effectively. - Streamline Performance Evaluation: Uncover the secrets of accessing and evaluating cluster performance effortlessly. Learn how Lens simplifies performance analysis, allowing you to optimize your clusters for optimal efficiency. - Multi Cluster Management: Dive into the complexities of working with multiple Kubernetes clusters. Discover practical strategies and techniques for managing and orchestrating your clusters seamlessly. Don't miss this opportunity to level up your Kubernetes expertise with Lens, the ultimate Kubernetes IDE. Register now to secure your spot and gain valuable insights from our Lens expert.
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Cyber Resilience and Ransomware Mitigation Strategies
By:
Type: Replay
Joining us are Suraj Kotipalli from Hitachi Vantara and Chek San Tam from Veritas, discussing Cyber Resilience and Ransomware Mitigation Strategies. Learn more about the most recent cybersecurity and data protection tactics available in the industry. Also understand what and how you can better protect your data and mitigate the risks.
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ESG report: The operational efficiency of hybrid cloud
By: Nutanix
Type: ESG Technical Validation Report
This Enterprise Strategy Group technical validation examines how Nutanix Cloud Clusters (NC2) provides repeatable automation, simplifies workload management, and improves TCO and agility for hybrid cloud deployments. Learn more in the full report.
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Improve Big Data Performance on Google Dataproc: Best Practices
By:
Type: Talk
Managing your Google cloud costs and recapturing resource waste can be challenging. The promise of autoscaling is that workloads receive exactly the cloud computational resources they require at any given time, and you only pay for the server resources you need, when you need them. However, most auto scaling features aren’t granular enough to address today’s variable workload and application needs. Without granular and automatic control for your cloud instance resources you may be paying more than you should for your workloads. Autoscaling typically works well on clusters that process many jobs as well as single-job clusters. While some applications are constant and predictable, others are bound by CPU or memory, or are “spiky” in nature. Amazon EMR, Azure HDInsight, and Google Cloud Dataproc all provide autoscaling for big data and Hadoop, but with different approaches. Estimating the right number of cluster nodes for a workload can be difficult; user-initiated cluster scaling requires manual intervention, and mistakes are often costly and disruptive. Join Pepperdata Field Engineer Kirk Lewis for this discussion about operational challenges associated with maintaining optimal big data performance in the cloud with a focus on Google Dataproc, what milestones to set, and best practices for managing a successful cloud framework.
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Unwrapping Multi-Cluster Security: One Layer At A Time
By:
Type: Replay
Just like a well-constructed burger requires carefully layering the right ingredients, securing multi-cluster deployments demands a thoughtful, layered approach. In this webinar, we'll deconstruct the multi-cluster burger, peeling back each layer to reveal security strategies for the infrastructure, applications, data, networking, observability, and overall security of components. Key Takeaways - Clarity on the different components or "layers" that make up a typical multi-cluster architecture. - Insights into adopting a layered approach to security in multi-cluster and hybrid environments. They'll learn the importance of implementing security controls and best practices at each layer. - Strategies for enforcing consistent security policies, access controls, and governance across all clusters and components in a multi-cluster setup. - Need for centralized monitoring, logging, and observability tools to gain end-to-end visibility into the security posture and health of the entire stack.
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Securing Kubernetes Clusters with Tanzu Mission Control
By:
Type: Talk
With the increasing use of Kubernetes platforms and distributed systems, platform teams are under greater pressure to ensure that all Kubernetes clusters are configured consistently, automatically, and secured across environments as they scale. VMware Tanzu Mission Control is a hub for multi-cluster Kubernetes management that extends across multi-cloud environments and supports platform teams with several types of policies, including access, network, image registry, quota, security, custom OPA, and the recently launched mutation policies. Join us to learn how to apply different policies to clusters at different levels of granularity (single cluster, cluster groups, etc.), the benefits of OPA Gatekeeper as a policy engine, and when to leverage mutation policies.
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Data Protection for Containers on Kubernetes
By:
Type: Talk
Modern applications are deployed as containers on Kubernetes clusters and need reliable storage that is resilient against failure. Data protection features, such as backup/restore, cluster migration, and disaster recovery are also important. Traditional backup and recovery solutions are not prepared to efficiently protect Kubernetes workloads. Velero, an open-source tool, helps platform teams to safely backup and restore Kubernetes cluster resources. In this webinar, we will explore the best approaches for protecting your application state including backing up persistent volumes (PVs) using Container Storage Interface Snapshots a.k.a. CSI Snapshots. We will demonstrate how you can restore a cluster to a known good state, recover from a crashed cluster, and restore it to a new environment.
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Introduction to Tanzu Mission Control
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Type: Talk
In this webinar, we'll discuss the right time to adopt a Kubernetes management tool and the top four capabilities ranked by practitioners. We'll then give you an overview of VMware Tanzu Mission Control, a centralized hub for Kubernetes management that aims to support multi-cloud enterprises with growing Kubernetes estate, and lastly, we'll demonstrate: - How to attach an AKS cluster to Tanzu Mission Control and apply policies; - How to create an EKS cluster and the lifecycle management capabilities included; - How to enable observability and service mesh in a cluster group; - How to configure FluxCD for consistent configuration at a cluster group level.
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Case study: How to reduce Amazon costs with Pepperdata
By: Pepperdata
Type: Case Study
In this case study, you'll find out how Autodesk reduced Amazon EMR costs by 50% and boosted performance with Pepperdata. Read on now to learn how this leading software company optimized its big data infrastructure and achieved significant savings.
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Let's simplify the management of your Kubernetes clusters with Rancher
By:
Type: Video
Want to know what Rancher is, and how to use it on OVHcloud? Join Amarjit Toor and Jérôme Cauvin, as they discuss how to simplify the management of Kubernetes clusters with Rancher, and how to set up a Rancher cluster on OVHcloud.
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[EMEA] Using Tanzu Kubernetes Grid to Deploy Kubernetes with Ease
By:
Type: Talk
Administrators are facing challenges trying to operationalize Kubernetes. Where do you start? Build a cluster from scratch? How hard is it to repeat? Is it still easily manageable and scalable? In this session, we will take a look at deploying Kubernetes clusters with VMware Tanzu Kubernetes Grid. This session will go over the TKG architecture and core concepts with a technical overview on automated multi-cluster operations, integrated platform services, and the alignment to open source technologies.