ScaleOut Software

MAY 15, 2014

We have spent a great deal of time at ScaleOut Software re-architecting our in-memory data grid (IMDG)’s code base to make best use of many cores and large memory. During load-balancing, the client gets the following exception when accessing the cache: ErrorCode<ERRCA0017>:SubStatus<ES0006>:There is a temporary failure.

Cache 40

Cache Servers Network Design 40

Brendan Gregg

FEBRUARY 28, 2023

Titus, the Netflix container management platform, is now open source,” [link] Apr 2018 - [Cutress 19] Dr. DDR6: Here's What to Expect in RAM Modules,” [link] Nov 2020 - [Salter 20] Jim Salter, “Western Digital releases new 18TB, 20TB EAMR drives,” [link] Jul 2020 - [Spier 20] Martin Spier, Brendan Gregg, et al.,

Performance 110

Performance Latency Cache Virtualization 110

HammerDB

APRIL 19, 2023

Among the different components of modern software solutions, the database is one of the most critical. Regardless of whether the computing platform to be evaluated is on-prem, containerized, virtualized, or in the cloud, it is crucial to consider several essential factors.

Performance 54

Performance Benchmarking Cache Storage 54

Percona

SEPTEMBER 1, 2023

Exploring How Triggers Impact MySQL Memory Allocation MySQL stores active table descriptors in a special memory buffer called the table open cache. These table cache instances could be accessed concurrently, allowing DML to use cached table descriptors without locking each other.

Cache 62

Cache Database Games Healthcare 62

ACM Sigarch

MAY 31, 2023

using Compute Express Link or CXL), organizing memory components for optimal performance, adapting system software traditionally designed for homogeneous memory systems, and developing memory abstractions and programming constructs for HCM management. Also, besides the hardware, we see the software ecosystem starts to appear (e.g.,

Latency 52

Latency Hardware Cache Architecture 52

Percona

MARCH 17, 2023

Virtual Memory utilization was averaging 48 GB of RAM. VictoriaMetrics maintains an in-memory cache for mapping active time series into internal series IDs. Capacity planning and setup details We used a dedicated 32-core CPU and 64GB of RAM for our testing. The CPU usage averaged 24% utilization, as you can see in the above picture.

Monitoring 101

Monitoring Scalability Cache Database 101

Randon ASCII

JULY 11, 2022

A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software. Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. It looks like this can happen. Case closed.

Cache 105

Cache Energy Google Processing 105

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Without enough infrastructure (physical or virtualized servers, networking, etc.),

Availability 110

Availability Database Open Source Hardware 110

Brendan Gregg

FEBRUARY 28, 2023

Titus, the Netflix container management platform, is now open source,” [link] , Apr 2018 [Cutress 19] Dr. DDR6: Here's What to Expect in RAM Modules,” [link] , Nov 2020 [Salter 20] Jim Salter, “Western Digital releases new 18TB, 20TB EAMR drives,” [link] , Jul 2020 [Spier 20] Martin Spier, Brendan Gregg, et al.,

Performance 52

Performance Latency Cache Virtualization 52

The Morning Paper

APRIL 2, 2019

Establishing software root of trust unconditionally Gligor & Woo, NDSS’19. Nor do we know any other software security problem that has been solved unconditionally in any realistic computational model. Disabling caches, virtual memory, and the TLB (this can be done verifiably as shown in theorem 6 in section IV.E).

Software 40

Software Software Programming Hardware 40

The Morning Paper

DECEMBER 10, 2019

This is a companion paper to the " persistent problem " piece that we looked at earlier this week, going a little deeper into the object pointer representation choices and the mapping of a virtual object space into physical address spaces. " Epheremal virtual addresses don’t cut it as the basis for persistent pointers.

Hardware 52

Hardware Virtualization Operating System Programming 52

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. To address these challenges, ScaleOut Software has introduced ScaleOut StateServer Pro , an advanced version of ScaleOut StateServer that integrates data analytics within the IMDG.

Analytics 52

Analytics Airlines Cache Scalability 52

Scalegrid

FEBRUARY 8, 2024

Speedier access to stored information within distributed storage is achieved by leveraging software-defined storage solutions and strategies like sharding or distributing sections of large databases and improving scalability by dividing tasks among many servers.

Storage 130

Storage Systems Big Data Azure 130

HammerDB

OCTOBER 17, 2018

However most people use HammerDB with keying and thinking time disabled and therefore each virtual user can approximately drive the CPU resources of one CPU core on the database server. By default each virtual user has the concept of a home warehouses where approximately 75% of its workload will take place.

C++ 40

C++ Testing Virtualization Cache 40

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. To address these challenges, ScaleOut Software has introduced ScaleOut StateServer Pro , an advanced version of ScaleOut StateServer that integrates data analytics within the IMDG.

Analytics 52

Analytics Airlines Cache Scalability 52

Enprowess

SEPTEMBER 7, 2021

According to the latest Stackoverflow developer survey , JavaScript is a well-liked technology used by software developers. Software Developers got to use JavaScript CLI tools to create the back-end part of web applications or server-side. The performance of React improves because of the Virtual DOM algorithm. Both Node.js

Open Source 52

Open Source Virtualization Programming Servers 52

All Things Distributed

DECEMBER 18, 2012

May 28 - Virtual Time and Global States of Distributed Systems , Friedemann Mattern, Parallel and Distributed Algorithms, North-Holland (1989) , p. Jul 4 - Leases: An efficient fault-tolerant mechanism for distributed file cache consistency , Gray, Cary, and David Cheriton, Vol. Bar-Yam, Journal of Systems Science and Complexity.

Operating System 144

Operating System Cache AWS Scalability 144

IO River

NOVEMBER 2, 2023

Given its unchanging nature, static content is ideal for caching. These can be cached – much more effectively than what’s usually used:‍Standard CDNs for Static Content:The very nature of video streaming makes its traffic relatively straightforward to manage. It doesn’t change very often and is generally not affected by user sessions.

Architecture 52

Architecture Performance Internet Internet 52

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. FILE_FLAG_NO_BUFFERING is the Win32, CreateFile API flags and attributes setting to bypass file system cache. FILE_FLAG_NO_BUFFERING is the Win32, CreateFile API flags and attributes setting to bypass file system cache.

Servers 90

Servers Media Cache Storage 90

The Morning Paper

DECEMBER 8, 2019

The beauty of persistent memory is that we can use memory layouts for persistent data (with some considerations for volatile caches etc. Traditional pointers address a memory location (often virtual of course). in front of that memory , as we saw last week). At least, the nature of pointers that we want to make persistent.

Hardware 56

Hardware Programming Media Storage 56

Percona

MAY 15, 2023

In both cases, when using virtually-synchronous replication, the process will require certification from each node and local (by node) write; as such, the number of writes is NOT distributed across multiple nodes but duplicated. Because the solutions still rely on writing in one single node that works as Primary. Why ProxySQL?

Traffic 125

Traffic Scalability Database Servers 125

The Morning Paper

APRIL 14, 2019

The paper sets out what we can do in software given today’s hardware, and along the way also highlights areas where cooperation from hardware will be needed in the future. Microarchitectural state of interest includes data and instruction caches, TLBs, branch predictors, instruction- and data-prefetcher state machines, and DRAM row buffers.

Hardware 44

Hardware Cache Latency Speed 44

Percona

APRIL 17, 2023

Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100. Make sure the drives are mounted with noatime and also if the drives are behind a RAID controller with appropriate battery-backed cache.

Best Practices 52

Best Practices Design Tuning Database 52

Brendan Gregg

AUGUST 18, 2019

bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set. software Kernel software-based events. usdt User-level statically defined tracing.

Latency 68

Latency C++ Cache Programming 68

IO River

NOVEMBER 2, 2023

These can be cached – much more effectively than what’s usually used:‍Standard CDNs for Static Content:The very nature of video streaming makes its traffic relatively straightforward to manage. By the time the player needs it, the content is already cached and ready to go.

Architecture 52

Architecture Performance Internet Internet 52

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. This improves page load time and caching during navigations.

Performance 145

Performance Cache Media Metrics 145

KeyCDN

JANUARY 23, 2020

These acronyms, which stand for real user monitoring and application performance monitoring, are software monitoring processes essential to measuring and evaluating applications in many different areas. This helps developers decide when to increase server disk space and power or whether or not using a virtual cloud server is optimal.

Strategy 72

Strategy Metrics Monitoring Servers 72

Enprowess

MAY 24, 2022

More incredible Speed with Virtual DOM. Reactjs can help your business in web and mobile application development by bringing fast speed using the virtual DOM. Virtual DOM of React refreshes only parts of the page, so it is faster than the conventional full refresh model. Virtual DOM is an additional feature offered by React.

Mobile 52

Mobile Open Source Virtualization Speed 52

ACM Sigarch

FEBRUARY 23, 2018

Virtualization, for instance, was being addressed by IBM in the 1960s. Both virtualization and power burst onto the architecture community seemingly out of nowhere even though there was a clear historical basis and trend for both. I had a professor in grad school who used to joke that all architecture is reinvented every 5 years.

Architecture 47

Architecture Cache Hardware Virtualization 47

IO River

NOVEMBER 2, 2023

Infrastructure code, like any software code, can be reviewed, discussed, and modified collaboratively.‍A Consider an example where a company is running multiple virtual machines (VMs) on a cloud provider. This dynamic is particularly transformative for organizational behavior.In One of the primary reasons is the shared workflow.

Open Source 52

Open Source DevOps AWS Azure 52

All Things Distributed

OCTOBER 2, 2017

VPC Endpoints give you the ability to control whether network traffic between your application and DynamoDB traverses the public Internet or stays within your virtual private cloud. Secure – DynamoDB provides fine-grained access control at the table, item, and attribute level, integrated with AWS Identity and Access Management.

Internet 128

Internet Internet AWS Performance 128

Enprowess

MARCH 10, 2022

React’s performance has dramatically improved after introducing the virtual DOM in the framework. Meanwhile, all virtual DOM trees are lightweight and designed on a server, reducing the load on the browser. The bidirectional nature of Angular makes it simple to create enterprise resource designing software. React Performance.

Development 52

Development Google Open Source Servers 52

Alex Russell

APRIL 29, 2021

Now in development in WebKit after years of radio silence, WebXR APIs provide Augmented Reality and Virtual Reality input and scene information to web applications. An extension to Service Workers that enables browsers to present users with cached content when offline. Content Indexing. PWA App Shortcuts. Web Serial. Shape Detection.

Media 145

Media Games Education Engineering 145

IO River

NOVEMBER 2, 2023

Infrastructure code, like any software code, can be reviewed, discussed, and modified collaboratively.‍A Terraform's declarative nature makes this adaptation straightforward.‍Consider an example where a company is running multiple virtual machines (VMs) on a cloud provider. One of the primary reasons is the shared workflow.

Open Source 40

Open Source DevOps AWS Azure 40

ScaleOut Software

AUGUST 19, 2014

As more computing resources are needed to handle a growing workload, virtual servers (also called cloud “ instances ”) can be added to take up the slack. Like the applications they serve, IMDGs are deployed as a cluster of cloud-hosted virtual servers that scales as the workload demands.

Cloud 40

Cloud Azure Virtualization Scalability 40

SQL Server According to Bob

JANUARY 11, 2020

Stable media is commonly physical disk storage, but other devices and certain caching facilities qualify as well. Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

ScaleOut Software

AUGUST 19, 2014

As more computing resources are needed to handle a growing workload, virtual servers (also called cloud “ instances ”) can be added to take up the slack. Like the applications they serve, IMDGs are deployed as a cluster of cloud-hosted virtual servers that scales as the workload demands.

Cloud 40

Cloud Azure Virtualization Scalability 40