Real World DTCS For Operators
The introduction of DateTieredCompactionStrategy in late 2014 was a significant step forward in providing a viable compaction strategy for time series data, especially time series data that will be TTL'd out. DateTieredCompactionStrategy's introduction was met with genuine excitement, and its rapid adoption is testament to developers' and operators' desire to have data compacted in a way that better matches their write patterns.
However, DateTieredCompactionStrategy's features come with significant limitations. This talk will review our real world benchmarking and use cases for DTCS as a vehicle to discuss the implications of DateTieredCompactionStrategy on operational tasks such as repair, read-repair, bootstrapping, and especially DR recovery scenarios, and it will also discuss how those various limitations lead us to proposing an operations-friendly alternative to DateTieredCompactionStrategy.
Advanced Cassandra Operations via JMX (Nate McCall, The Last Pickle) | C* Sum...DataStax
Advanced Apache Cassandra operations depends on an understanding of what features are available via the JMX interface. While nodetool exposes many of these, the most useful are still waiting to be discovered. The JMX interface allows the code base to expose functions that operate directly on internal structures, making real time changes to the way the process runs. With this skill in your toolkit there is no limit to the changes you can make.
In this talk Nate McCall, CTO at The Last Pickle, will explain how to explore, secure, and invoke the JMX interface exposed by Cassandra. He'll then move on to what you can do with it such as compacting specific SSTables, changing compaction on a single node, managing repairs, diagnosing latency, viewing cross node timeouts, and others. Whether you are a developer or operator, new or experienced, you will be given a thorough understanding of what all is available via JMX without having to consult the code on your own.
About the Speaker
Nate McCall CTO, The Last Pickle
Nate McCall has 16 years of server-side systems and software development experience. He started his involvement in the Cassandra community in the late fall of 2009 when he became one of the original developers on the Hector Java client. He has contributed a number of patches over the years to the Apache Cassandra code base and continues to be actively involved on the mail lists, issue system and IRC. He has been a DataStax MVP every year since the inception of the program.
Understanding and Improving Code GenerationDatabricks
Code generation is integral to Spark’s physical execution engine. When implemented, the Spark engine creates optimized bytecode at runtime improving performance when compared to interpreted execution. Spark has taken the next step with whole-stage codegen which collapses an entire query into a single function.
Instaclustr has a diverse customer base including Ad Tech, IoT and messaging applications ranging from small start ups to large enterprises. In this presentation we share our experiences, common issues, diagnosis methods, and some tips and tricks for managing your Cassandra cluster.
About the Speaker
Brooke Jensen VP Technical Operations & Customer Services, Instaclustr
Instaclustr is the only provider of fully managed Cassandra as a Service in the world. Brooke Jensen manages our team of Engineers that maintain the operational performance of our diverse fleet clusters, as well as providing 24/7 advice and support to our customers. Brooke has over 10 years' experience as a Software Engineer, specializing in performance optimization of large systems and has extensive experience managing and resolving major system incidents.
Advanced Cassandra Operations via JMX (Nate McCall, The Last Pickle) | C* Sum...DataStax
Advanced Apache Cassandra operations depends on an understanding of what features are available via the JMX interface. While nodetool exposes many of these, the most useful are still waiting to be discovered. The JMX interface allows the code base to expose functions that operate directly on internal structures, making real time changes to the way the process runs. With this skill in your toolkit there is no limit to the changes you can make.
In this talk Nate McCall, CTO at The Last Pickle, will explain how to explore, secure, and invoke the JMX interface exposed by Cassandra. He'll then move on to what you can do with it such as compacting specific SSTables, changing compaction on a single node, managing repairs, diagnosing latency, viewing cross node timeouts, and others. Whether you are a developer or operator, new or experienced, you will be given a thorough understanding of what all is available via JMX without having to consult the code on your own.
About the Speaker
Nate McCall CTO, The Last Pickle
Nate McCall has 16 years of server-side systems and software development experience. He started his involvement in the Cassandra community in the late fall of 2009 when he became one of the original developers on the Hector Java client. He has contributed a number of patches over the years to the Apache Cassandra code base and continues to be actively involved on the mail lists, issue system and IRC. He has been a DataStax MVP every year since the inception of the program.
Understanding and Improving Code GenerationDatabricks
Code generation is integral to Spark’s physical execution engine. When implemented, the Spark engine creates optimized bytecode at runtime improving performance when compared to interpreted execution. Spark has taken the next step with whole-stage codegen which collapses an entire query into a single function.
Instaclustr has a diverse customer base including Ad Tech, IoT and messaging applications ranging from small start ups to large enterprises. In this presentation we share our experiences, common issues, diagnosis methods, and some tips and tricks for managing your Cassandra cluster.
About the Speaker
Brooke Jensen VP Technical Operations & Customer Services, Instaclustr
Instaclustr is the only provider of fully managed Cassandra as a Service in the world. Brooke Jensen manages our team of Engineers that maintain the operational performance of our diverse fleet clusters, as well as providing 24/7 advice and support to our customers. Brooke has over 10 years' experience as a Software Engineer, specializing in performance optimization of large systems and has extensive experience managing and resolving major system incidents.
This tutorial covers all parallel replication implementation in MariaDB 10.0 and 10.1 and MySQL 5.6, 5.7 and 8.0 (including how it works in Group Replication).
MySQL and MariaDB have different types of parallel replication. In this tutorial, we present the different implementations that allow us to understand their limitations and tuning parameters. We cover how to make parallel replication faster and what to avoid for maximizing its benefits. We also present tests from Booking.com workloads.
Some of the subjects that are covered are group commit and optimistic parallel replication in MariaDB, the parallelism interval of MySQL and its Write Set optimization, and the ?slowing down the master to speed up the slave? optimization.
After this tutorial, you will know everything you need to implement and tune parallel replication in your environment. But more importantly, we will show how you can test parallel replication benefit in a non-disruptive way before deployment.
The Linux Block Layer - Built for Fast StorageKernel TLV
The arrival of flash storage introduced a radical change in performance profiles of direct attached devices. At the time, it was obvious that Linux I/O stack needed to be redesigned in order to support devices capable of millions of IOPs, and with extremely low latency.
In this talk we revisit the changes the Linux block layer in the
last decade or so, that made it what it is today - a performant, scalable, robust and NUMA-aware subsystem. In addition, we cover the new NVMe over Fabrics support in Linux.
Sagi Grimberg
Sagi is Principal Architect and co-founder at LightBits Labs.
High Performance Object Storage in 30 Minutes with Supermicro and MinIORebekah Rodriguez
The Supermicro Cloud DC is the perfect combination of performance, reliability, craftsmanship and flexibility for deploying MinIO object storage. MinIO on the Cloud DC platform outperforms and is more cost-effective than equivalently-sized hardware from other manufacturers. We recently benchmarked a cluster of four Cloud DC 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 Cloud DC 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 Cloud DC
How to deploy a distributed MinIO cluster onto a Cloud DC server cluster
Watch the Webinar: https://www.brighttalk.com/webcast/17278/519401
This presentation provides an overview of the Dell PowerEdge R730xd server performance results with Red Hat Ceph Storage. It covers the advantages of using Red Hat Ceph Storage on Dell servers with their proven hardware components that provide high scalability, enhanced ROI cost benefits, and support of unstructured data.
The introduction of DateTieredCompactionStrategy in late 2014 was a significant step forward in providing a viable compaction strategy for time series data, especially time series data that will be TTL'd out. DateTieredCompactionStrategy's introduction was met with genuine excitement, and its rapid adoption is testament to developers' and operators' desire to have data compacted in a way that better matches their write patterns.
However, DateTieredCompactionStrategy's features come with significant limitations. This talk will review our real world benchmarking and use cases for DTCS as a vehicle to discuss the implications of DateTieredCompactionStrategy on operational tasks such as repair, read-repair, bootstrapping, and especially DR recovery scenarios, and it will also discuss how those various limitations lead us to proposing an operations-friendly alternative to DateTieredCompactionStrategy.
Using Time Window Compaction Strategy For Time Series WorkloadsJeff Jirsa
Cassandra is a great fit for high write use cases, which makes it a popular choice for storing time series and sensor-collection workloads. At Crowdstrike, we've been using Cassandra for just that purpose, collecting petabytes of expiring time series data. In this talk, I'll discuss compaction in time series workloads, and the TimeWindowCompactionStrategy we developed specifically for this purpose. I'll detail TWCS specific configuration properties, some lesser known compaction sub-properties that apply to all compaction strategies, and also cover other general tricks and tuning that are useful for very large time-series workloads.
This tutorial covers all parallel replication implementation in MariaDB 10.0 and 10.1 and MySQL 5.6, 5.7 and 8.0 (including how it works in Group Replication).
MySQL and MariaDB have different types of parallel replication. In this tutorial, we present the different implementations that allow us to understand their limitations and tuning parameters. We cover how to make parallel replication faster and what to avoid for maximizing its benefits. We also present tests from Booking.com workloads.
Some of the subjects that are covered are group commit and optimistic parallel replication in MariaDB, the parallelism interval of MySQL and its Write Set optimization, and the ?slowing down the master to speed up the slave? optimization.
After this tutorial, you will know everything you need to implement and tune parallel replication in your environment. But more importantly, we will show how you can test parallel replication benefit in a non-disruptive way before deployment.
The Linux Block Layer - Built for Fast StorageKernel TLV
The arrival of flash storage introduced a radical change in performance profiles of direct attached devices. At the time, it was obvious that Linux I/O stack needed to be redesigned in order to support devices capable of millions of IOPs, and with extremely low latency.
In this talk we revisit the changes the Linux block layer in the
last decade or so, that made it what it is today - a performant, scalable, robust and NUMA-aware subsystem. In addition, we cover the new NVMe over Fabrics support in Linux.
Sagi Grimberg
Sagi is Principal Architect and co-founder at LightBits Labs.
High Performance Object Storage in 30 Minutes with Supermicro and MinIORebekah Rodriguez
The Supermicro Cloud DC is the perfect combination of performance, reliability, craftsmanship and flexibility for deploying MinIO object storage. MinIO on the Cloud DC platform outperforms and is more cost-effective than equivalently-sized hardware from other manufacturers. We recently benchmarked a cluster of four Cloud DC 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 Cloud DC 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 Cloud DC
How to deploy a distributed MinIO cluster onto a Cloud DC server cluster
Watch the Webinar: https://www.brighttalk.com/webcast/17278/519401
This presentation provides an overview of the Dell PowerEdge R730xd server performance results with Red Hat Ceph Storage. It covers the advantages of using Red Hat Ceph Storage on Dell servers with their proven hardware components that provide high scalability, enhanced ROI cost benefits, and support of unstructured data.
The introduction of DateTieredCompactionStrategy in late 2014 was a significant step forward in providing a viable compaction strategy for time series data, especially time series data that will be TTL'd out. DateTieredCompactionStrategy's introduction was met with genuine excitement, and its rapid adoption is testament to developers' and operators' desire to have data compacted in a way that better matches their write patterns.
However, DateTieredCompactionStrategy's features come with significant limitations. This talk will review our real world benchmarking and use cases for DTCS as a vehicle to discuss the implications of DateTieredCompactionStrategy on operational tasks such as repair, read-repair, bootstrapping, and especially DR recovery scenarios, and it will also discuss how those various limitations lead us to proposing an operations-friendly alternative to DateTieredCompactionStrategy.
Using Time Window Compaction Strategy For Time Series WorkloadsJeff Jirsa
Cassandra is a great fit for high write use cases, which makes it a popular choice for storing time series and sensor-collection workloads. At Crowdstrike, we've been using Cassandra for just that purpose, collecting petabytes of expiring time series data. In this talk, I'll discuss compaction in time series workloads, and the TimeWindowCompactionStrategy we developed specifically for this purpose. I'll detail TWCS specific configuration properties, some lesser known compaction sub-properties that apply to all compaction strategies, and also cover other general tricks and tuning that are useful for very large time-series workloads.
Azure + DataStax Enterprise Powers Office 365 Per User StoreDataStax Academy
We will present our O365 use case scenarios, why we chose Cassandra + Spark, and walk through the architecture we chose for running DataStax Enterprise on azure.
Designing your SaaS Database for Scale with PostgresOzgun Erdogan
If you’re building a SaaS application, you probably already have the notion of tenancy built in your data model. Typically, most information relates to tenants / customers / accounts and your database tables capture this natural relation.
With smaller amounts of data, it’s easy to throw more hardware at the problem and scale up your database. As these tables grow however, you need to think about ways to scale your multi-tenant (B2B) database across dozens or hundreds of machines.
In this talk, we're first going to talk about motivations behind scaling your SaaS (multi-tenant) database and several heuristics we found helpful on deciding when to scale. We'll then describe three design patterns that are common in scaling SaaS databases: (1) Create one database per tenant, (2) Create one schema per tenant, and (3) Have all tenants share the same table(s). Next, we'll highlight the tradeoffs involved with each design pattern and focus on one pattern that scales to hundreds of thousands of tenants. We'll also share an example architecture from the industry that describes this pattern in more detail.
Last, we'll talk about key PostgreSQL properties, such as semi-structured data types, that make building multi-tenant applications easy. We'll also mention Citus as a method to scale out your multi-tenant database. We'll conclude by answering frequently asked questions on multi-tenant databases and Q&A.
Performance Optimization of Cloud Based Applications by Peter Smith, ACLTriNimbus
Peter Smith, PhD, Principal Software Engineer at ACL talks about Performance Optimization of Cloud Based Applications at TriNimbus' 2017 Canadian Executive Cloud & DevOps summit in Vancouver
Intorducing Big Data and Microsoft AzureKhalid Salama
The purpose of these slides is to give a high-level overview of Big Data concepts and techniques, as well as its related tools and technologies, focusing on Microsoft Azure. It starts by defining what Big Data is, as well as why Big Data platforms are needed. Fundamental components of a Big Data Platform are discussed, followed by a little bit of theory about Distributed Processing & CAP Theorem, and its relevance to how Big Data Solutions compare to Traditional RDBMS. Use case of how Big Data fits in Enterprise Data Platforms are shown. The Hadoop Ecosystem is briefly reviewed before Big Data on Microsoft Azure is discussed. Then some directions of How to get started with Big Data.
Choosing the right parallel compute architecture corehard_by
Multi-core architecture is the present and future way in which the market is addressing Moore’s law limitations. Multi-core workstations, high performance computers, GPUs and the focus on hybrid/ public cloud technologies for offloading and scaling applications is the direction development is heading. Leveraging multiple cores in order to increase application performance and responsiveness is expected especially from classic high-throughput executions such as rendering, simulations, and heavy calculations. Choosing the correct multi-core strategy for your software requirements is essential, making the wrong decision can have serious implications on software performance, scalability, memory usage and other factors. In this overview, we will inspect various considerations for choosing the correct multi-core strategy for your application’s requirement and investigate the pros and cons of multi-threaded development vs multi-process development. For example, Boost’s GIL (Generic Image Library) provides you with the ability to efficiently code image processing algorithms. However, deciding whether your algorithms should be executed as multi-threaded or multi-process has a high impact on your design, coding, future maintenance, scalability, performance, and other factors.
A partial list of considerations to take into account before taking this architectural decision includes:
- How big are the images I need to process
- What risks can I have in terms of race-conditions, timing issues, sharing violations – does it justify multi-threading programming?
- Do I have any special communication and synchronization requirements?
- How much time would it take my customers to execute a large scenario?
- Would I like to scale processing performance by using the cloud or cluster?
We will then examine these issues in real-world environments. In order to learn how this issue is being addressed in a real-world scenario, we will examine common development and testing environments we are using in our daily work and compare the multi-core strategies they have implemented in order to promote higher development productivity.
The presentation describes reasons for selecting multi-cloud operation approach and provides an overview of implementation challenges and how they can be addressed
The Economics of Scale: Promises and Perils of Going DistributedTyler Treat
What does it take to scale a system? We'll learn how going distributed can pay dividends in areas like availability and fault tolerance by examining a real-world case study. However, we will also look at the inherent pitfalls. When it comes to distributed systems, for every promise there is a peril.
Scaling Techniques to Increase Magento CapacityClustrix
At Meet Magento NY 2015 Kevin Bortnick, Senior Magento Solutions Architect of Clustrix, hosted a workshop titled, "Scaling Techniques to Increase Magento Capacity." There he spoke about scaling strategies used to overcome performance bottlenecks associated with the MySQL database used by most Magento implementations. Kevin highlighted the shortcomings of ‘read slaves’, ‘multiple masters’ and ‘sharding’ and shared is his real world experiences. Check out Kevin's presentation notes on how scale-out database opens new possibilities for scaling to meet these demands either in the datacenter or cloud.
What We Learned About Cassandra While Building go90 (Christopher Webster & Th...DataStax
Go90 is a mobile entertainment platform offering access to live and on demand videos. We built the web services platform and social features like activity feed for go90 by making heavy use of Cassandra and Scala, and would like to share what we learned during development and while operating go90. In this presentation, we cover our data model evolution from the initial prototypes to the current production version and the significant performance gain by using a better data model. We will explain how we apply time series data modeling and the benefits of using expiring columns with DateTieredCompactionStrategy. We will also talk about interesting experiences related to table modifications, tombstones and table pagination. On the operations side, we will discuss our findings on java driver usage, performance, monitoring, cluster maintenance, version upgrade, 2-way ssl and many more. We hope you can learn from our mistakes instead of making them yourself!
About the Speakers
Christopher Webster Software Engineer, AOL
Christopher Webster works on the web services platform for the go90 AOL project. Previously he was a Computer Scientist for the Mission Control Technologies project at NASA Ames Center. Chris worked as a senior staff engineer at Sun Microsystems for Project zembly, the cloud development and deployment environment as well as technical lead in many NetBeans projects. Chris is an author of the NetBeans Field Guide and Assemble the Social Web With Zembly.
Thomas Ng Software Engineer, AOL
Thomas Ng is a software engineer at AOL, building web services for the go90 mobile entertainment platform using Cassandra, Scala and Kafka.
TidalScale has created a software defined computer.
At TidalScale, we have created a simple cost-effective way for a data scientist, an analyst, an engineer, a scientist, a database administrator, or a software developer to access a group of servers through a single operating system instance as if it were a single supercomputer. This dramatically simplifies development, while reducing software scaling complexity not to mention a dramatic cost saving in hardware and software.
We configure hosted hardware into one or more TidalPods. Each TidalPod is a virtual supercomputer comprising a set of commodity servers configured with the TidalScale HyperKernel. What the user sees is standard Linux, FreeBSD or Windows running with the sum of all memory, processors, networks, and I/O. The secret sauce is the HyperKernel that fools the guest OS into thinking it’s running directly on a huge, expensive machine when in fact it’s running on a set of smaller, less expensive servers.
We offer an incredibly simple user experience.
• Define the computer size you want (Number of CPU, Amount of Memory), boot the virtual machine, then login to the computer…
Thus, we enable a simple cost-effective way for a data scientist, an analyst, an engineer, a scientist, a database administrator, or a software developer to access a group of servers in a Datacenter through a single operating system instance as if it were a single supercomputer. This dramatically simplifies development, while reducing software scaling complexity not to mention a dramatic cost saving in hardware and software.
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In 2015, I used to write extensions for Joomla, WordPress, phpBB3, etc and I ...Juraj Vysvader
In 2015, I used to write extensions for Joomla, WordPress, phpBB3, etc and I didn't get rich from it but it did have 63K downloads (powered possible tens of thousands of websites).
How Recreation Management Software Can Streamline Your Operations.pptxwottaspaceseo
Recreation management software streamlines operations by automating key tasks such as scheduling, registration, and payment processing, reducing manual workload and errors. It provides centralized management of facilities, classes, and events, ensuring efficient resource allocation and facility usage. The software offers user-friendly online portals for easy access to bookings and program information, enhancing customer experience. Real-time reporting and data analytics deliver insights into attendance and preferences, aiding in strategic decision-making. Additionally, effective communication tools keep participants and staff informed with timely updates. Overall, recreation management software enhances efficiency, improves service delivery, and boosts customer satisfaction.
Providing Globus Services to Users of JASMIN for Environmental Data AnalysisGlobus
JASMIN is the UK’s high-performance data analysis platform for environmental science, operated by STFC on behalf of the UK Natural Environment Research Council (NERC). In addition to its role in hosting the CEDA Archive (NERC’s long-term repository for climate, atmospheric science & Earth observation data in the UK), JASMIN provides a collaborative platform to a community of around 2,000 scientists in the UK and beyond, providing nearly 400 environmental science projects with working space, compute resources and tools to facilitate their work. High-performance data transfer into and out of JASMIN has always been a key feature, with many scientists bringing model outputs from supercomputers elsewhere in the UK, to analyse against observational or other model data in the CEDA Archive. A growing number of JASMIN users are now realising the benefits of using the Globus service to provide reliable and efficient data movement and other tasks in this and other contexts. Further use cases involve long-distance (intercontinental) transfers to and from JASMIN, and collecting results from a mobile atmospheric radar system, pushing data to JASMIN via a lightweight Globus deployment. We provide details of how Globus fits into our current infrastructure, our experience of the recent migration to GCSv5.4, and of our interest in developing use of the wider ecosystem of Globus services for the benefit of our user community.
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Come join this talk to see some tips and tricks for using Quarkus and some of the lesser known features, extensions and development techniques.
Check out the webinar slides to learn more about how XfilesPro transforms Salesforce document management by leveraging its world-class applications. For more details, please connect with sales@xfilespro.com
If you want to watch the on-demand webinar, please click here: https://www.xfilespro.com/webinars/salesforce-document-management-2-0-smarter-faster-better/
Experience our free, in-depth three-part Tendenci Platform Corporate Membership Management workshop series! In Session 1 on May 14th, 2024, we began with an Introduction and Setup, mastering the configuration of your Corporate Membership Module settings to establish membership types, applications, and more. Then, on May 16th, 2024, in Session 2, we focused on binding individual members to a Corporate Membership and Corporate Reps, teaching you how to add individual members and assign Corporate Representatives to manage dues, renewals, and associated members. Finally, on May 28th, 2024, in Session 3, we covered questions and concerns, addressing any queries or issues you may have.
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Accelerate Enterprise Software Engineering with PlatformlessWSO2
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Key principles of platformless, including API-first, cloud-native middleware, platform engineering, and developer experience.
How Choreo enables the platformless experience.
How key concepts like application architecture, domain-driven design, zero trust, and cell-based architecture are inherently a part of Choreo.
Demo of an end-to-end app built and deployed on Choreo.
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Stay Informed on Threat Actors’ Activity on the Dark Web with SOCRadar!
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2. An Introduction
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We Are CyberSecurity Technology Company
We Detect, Prevent And Respond To All Attack
Types In Real Time, Protecting Organizations
From Catastrophic Breaches
We Provide Next Generation Endpoint Protection,
Threat Intelligence & Pre &Post IR Services