Percona

MAY 1, 2023

Key areas include: Configuration parameter tuning : This tuning involves altering variables such as memory allocation, disk I/O settings, and concurrent connections based on specific hardware and requirements. This not only results in cost savings by minimizing hardware requirements but also has the potential to decrease cloud expenses.

Tuning 52

Tuning Efficiency Database Performance 52

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. From this data, it can be argued that HammerDB is a better candidate to test MySQL database engine and CPU performance. to MySQL 8.0.32, different test scenarios can give very different conclusions.

Performance 54

Performance Benchmarking Cache Storage 54

Scalegrid

APRIL 16, 2020

This is why our BYOC pricing is less than our Dedicated Hosting pricing, as the costs listed for BYOC are only what you pay for ScaleGrid and don’t include your hardware costs. This becomes really important for cache solutions like Redis™. Where to host your cloud database? Expert Tip. Security Groups.

Cloud 242

Cloud Azure AWS Database 242

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? During performance tests, Lighthouse records many metrics focused on what a user sees and experiences. Service workers that will cache the bytecode result of a parsed and compiled script. After that, it’ll be mitigated by cache. What changed in PageSpeed 5.0? They are: Time to Interactive ( TTI ).

Google 71

Google Engineering Speed Mobile 71

SQL Performance

MAY 22, 2019

It’s one of the things we look at during a health audit, and Kimberly has a great query from her Plan cache and optimizing for adhoc workloads post that’s part of our toolkit. About 1GB of the plan cache is for prepared and procedure plans, and they only take up about 300MB worth of space. DBCC FREEPROCCACHE ; GO. EXEC dbo. [

Cache 54

Cache Performance Hardware Servers 54

Alex Russell

JUNE 19, 2020

Eleventy is I/O heavy, and for correctness sake, it didn't do much caching. The caches added by these changes are likely error prone and may bloat build memory for large sites. If you've got a big 11ty project, I'd appreciate help testing them. Details about build hardware, OS, and template configuration are particularly useful.

Cache 49

Cache Hardware Speed Cloud 49

The Morning Paper

MAY 14, 2019

When a QoS violation is predicted to occur and a culprit microservice located, Seer uses a lower level tracing infrastructure with hardware monitoring primitives to identify the reason behind the QoS violation. E.g., in memcached there are five main internal stages, each of which has a hardware or software queue associated with it.

Big Data 45

Big Data Cloud Performance Hardware 45

The Morning Paper

OCTOBER 4, 2020

Coverage is assessed with a walk-test (4-5km/h) over all road segments on the campus, monitoring the physical-layer information from both 5G and 4G at each location. Emerging architectures that shorten the path length, e.g. edge caching and computing, may also confine the latency. Let’s jump in! 5G Coverage. What about UHD video?

Energy 130

Energy Latency Performance Network 130

KeyCDN

JANUARY 23, 2020

A wide range of users with different operating systems, browsers, hardware configurations and other variables provides a wide sample size that helps developers discover as many issues as possible. It’s also important for developers not to confuse real user data with real user testing. What is real user monitoring (RUM)?

Strategy 72

Strategy Metrics Monitoring Servers 72

Brendan Gregg

MARCH 16, 2024

Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway. It shouldn't be 10%, unless it's cache effects. And for leaf routines (which never establish a frame), this is a non-issue.

Java 145

Java Cache Google Hardware 145

John McCalpin

DECEMBER 6, 2016

The modes that are important are: “Flat” vs “Cache” In “Flat” mode, MCDRAM memory is used as directly accessible memory, occupying the upper 16 GiB of physical address space. In “Cache” mode, MCDRAM memory is used as an L3 cache for the main DDR4 memory. numactl).

Latency 40

Latency Cache Testing Systems 40

Dotcom-Montior

JUNE 15, 2020

The censorship and monitoring of internet have evolved from anti-virus-like and firewall software to hardware security patches for all devices that uses internet. For users and companies doing business in China, it’s critical to continually test and monitor website accessibility and performance.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Smashing Magazine

JUNE 18, 2020

React Native users need to pay even more attention to that because that framework uses the built-in OS widgets, so you actually need to pay even more attention to how the app looks by testing it extensively on both platforms, without being able to switch between iOS and Material widget on the fly like it’s possible with Flutter. Next Steps.

Storage 93

Storage Mobile Website Java 93

SQL Server According to Bob

JUNE 3, 2016

The following chart shows the same 1TB database testing. On the same hardware/machine repeat steps 1 thru 3 using an instance of SQL Server 2016 CTP 3.0 Note: You may need to execute the dbcc a second time so buffer cache is hot, eliminating I/O sub-system variants. MultiObjectScanner = Older design. CheckScanner = New design.

Hardware 40

Hardware Cache Servers Software Engineering 40

ACM Sigarch

NOVEMBER 4, 2019

Krste Asanovic from UC Berkeley kicked off the main program sharing his experience on “ Rejuvenating Computer Architecture Research with Open-Source Hardware ”. He ended the keynote with a call to action for open hardware and tools to start the next wave of computing innovation. This year’s MICRO had three inspiring keynote talks.

Hardware 18

Hardware Architecture Programming Innovation 18

Percona

MARCH 28, 2023

” This acts as a step to ensure durability by recovering lost data from the same journal files in case of crashes, power, and hardware failures between the checkpoints (see below) Here’s what the process looks like. The same data, in the form of pages inside the Wiredtiger cache, are also marked dirty. wt and index-*.wt).

Hardware 87

Hardware C++ Storage Cache 87

Percona

MARCH 23, 2023

Hardware Memory The amount of RAM to be provisioned for database servers can vary greatly depending on the size of the database and the specific requirements of the company. By caching hot datasets, indexes, and ongoing changes, InnoDB can provide faster response times and utilize disk IO in a much more optimal way. I hope this helps!

Performance 124

Performance Hardware Tuning Storage 124

Scalegrid

FEBRUARY 8, 2024

Key Takeaways Distributed storage systems benefit organizations by enhancing data availability, fault tolerance, and system scalability, leading to cost savings from reduced hardware needs, energy consumption, and personnel. They maintain fault tolerance and redundancy by replicating this information throughout various nodes in the system.

Storage 130

Storage Systems Big Data Azure 130

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. Testing shows that by using the Fua bit with the data, write request can reduce the I/O traffic by ~50% for a SQL Server, write-intensive workload. Starting with the Linux 4.18 4 Socket, TPCC. 9,108 – Old kernel.

Servers 90

Servers Media Cache Storage 90

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. These factors meant that often when looking for database performance information, the results for a particular combination of software and hardware were not available. Cached vs Scaled Workloads.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Randon ASCII

SEPTEMBER 30, 2022

In my case the directory structure of my documents directory was entirely cached in memory so there was zero disk activity required to do the scan, but some users are not so lucky. Is there some RuntimeBroker caching? All of this testing was done on Windows 10, 21H2. Is that a WinRT flaw, or a Voice Recorder flaw?

Software 130

Software Software Cache Hardware 130

ACM Sigarch

JULY 17, 2023

One such challenge has been the emergence of marginal defect-driven faults that are difficult to address solely using best practices in manufacturing test and screening. We then discuss defects observed, the role of test and design to address this problem, and identify research opportunities. Each fault has a root cause.

Energy 52

Energy Hardware Best Practices Architecture 52

Alex Russell

APRIL 29, 2021

Thanks to the Web Platform Tests project and wpt.fyi , we have the makings of an answer for the first: Tests that fail only in a given browser. wpt.fyi 's new Compat 2021 dashboard narrows this full range of tests to a subset chosen to represent the most painful compatibility bugs : Stable-channel Compat 2021 results over time.

Media 145

Media Games Education Engineering 145

Smashing Magazine

AUGUST 15, 2021

Cache Merril. Companies can use technology roadmaps to review their internal IT , DevOps, infrastructure, architecture, software, internal system, and hardware procurement policies and procedures with innovation and efficiency in mind. A typical IT roadmap covers everything from requirements to testing and integrations.

Technology 139

Technology Technology Development Strategy 139

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. If a primary server fails, a backup server can take over and continue to serve requests.

Availability 107

Availability Database Open Source Hardware 107

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

The Morning Paper

DECEMBER 10, 2019

. …software operating on persistent data structures requires "global" pointers that remain valid after a process terminates, while hardware requires that a diverse set of devices all have the same mappings they need for bulk transfers to and from memory, and that they be able to do so for a potentially heterogeneous memory system.

Hardware 52

Hardware Virtualization Operating System Programming 52

Randon ASCII

FEBRUARY 25, 2018

In this particular investigation, which spanned twenty months, we suspected hardware failure, compiler bugs, linker bugs, and other possibilities. Jumping too quickly to blaming hardware or build tools is a classic mistake, but in this case the mistake was that we weren’t thinking big enough. I decided it was time to try science.

Programming 79

Programming Hardware Cache Code 79

Highly Scalable

APRIL 2, 2012

The rationale behind these methods is that frontend should be able to fetch transient information very efficiently and separately from fetching of heavy-weight domain entities because this information cannot be cached. So, the only way was to cache all necessary data to minimize interaction with RDBMS.

Ecommerce 100

Ecommerce Cache Storage Architecture 100

DZone

AUGUST 16, 2019

It’s not just a simple tweak you can turn on/off; it’s a long-time process that touches almost every single item in your stack, including both hardware and software sides of the system. Application scalability is the potential of an application to grow in time, being able to efficiently handle more and more requests per minute (RPM).

Scalability 145

Scalability Efficiency Hardware Software 145

SQL Performance

JUNE 21, 2019

Managed Instance sets a max server memory value based on the deployed tier, however when I tested resizing the environment, the max memory value was not dynamically changed. If you have big physical hardware with defaults, then you should look at optimizing MAXDOP. With modern hardware, the cost estimation of 5 is outdated.

Servers 49

Servers Azure Hardware Database 49

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. Hardware Past As Performance Prologue. Regardless, the overall story for hardware progress remains grim, particularly when we recall how long device replacement cycles are: Tap for a larger version.

Performance 124

Performance Network Cache Metrics 124

SQL Server According to Bob

JANUARY 11, 2020

Time of Last Access The time of last access is a caching ​​ algorithm ​​ that enables ​​ cache ​​ entries to be ordered by their ​​ access times. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

JUNE 3, 2016

My development collogues and I are starting a regular blog series, outlining the vast range of scalability improvements, allowing SQL Server 2016 to run across a wide array of hardware configurations, faster and better than previous releases of SQL Server. The following table is taken from an ASP.NET, session state cache, stress test.

Hardware 40

Hardware Software Engineering Transportation Scalability 40

Percona

APRIL 17, 2023

Make sure the drives are mounted with noatime and also if the drives are behind a RAID controller with appropriate battery-backed cache. This parameter needs to be extensively tested! Furthermore, proper mount options can improve performance noticeably. By default, it uses 50% of the memory + 1 GB.

Best Practices 52

Best Practices Design Tuning Database 52

Percona

JANUARY 17, 2019

On multi-core machines – which is the majority of the hardware nowadays – and in the cloud, we have multiple cores available for use. Aurora Parallel Query response time (for queries which can not use indexes) can be 5x-10x better compared to the non-parallel fully cached operations. Test data and versions. row.

Cache 46

Cache C++ AWS Airlines 46

KeyCDN

JULY 11, 2019

This is crucial due to mobile devices requiring additional optimizations because they typically have less powerful hardware and a slower network connection when compared to desktop devices. This means we need to always be testing for different devices and connections. As Sara Souedan said, not everyone has access to fast internet.

Speed 52

Speed Website Mobile Latency 52