Percona

OCTOBER 17, 2023

Many changes and new features are brought to the system, and as part of keeping in tune with the changes and how they can impact us, we go through the changes to better understand them. Not only that, the idea is to present you with changes flying under the radar, which, in my understanding, can influence your daily operation.

Metrics 106

Metrics C++ Database Storage 106

HammerDB

DECEMBER 8, 2020

For most purposes this did not present an Issue and the HammerDB display rendered correctly up to 1920 x 1080 Full HD displays. With the move to the updated nomenclature of TPROC-C and TPROC-H already needing extensive re-documentation it was decided to delay the release of v4.0 HammerDB v3.3 awlight theme.

Scalability 52

Scalability Metrics Tuning C++ 52

SQL Performance

DECEMBER 9, 2020

I’ll present the performance tests that I’ve done with my solution. This tool is so useful that we as a community should join forces to try and create the fastest version that we possibly can. Testing different base table cardinalities is just one dimension to try. There could be many others. Figure 1: Plan for base CTE cardinality of 2.

C++ 114

C++ Servers Testing Code 114

Sutter's Mill

MAY 28, 2012

It’s time for, not one, but two brand-new, up-to-date talks on the state of the art of concurrency and parallelism in C++. I’m going to put them together especially and only for C++ and Beyond 2012 , and I’ll be giving them nowhere else this year: C++ Concurrency – 2012 State of the Art (and Standard). And there’s a lot to tell.

C++ 40

C++ Hardware Best Practices Tuning 40

Brendan Gregg

SEPTEMBER 25, 2021

As (C) looked like a kernel rebuild, I started with (D) and (E). ## 5. I also rewrote this in C and called gettimeofday(2) directly: $ cat gettimeofdaybench.c. Here's some experimental approaches I could also explore: Disable tracesys/syscall_trace. Microbenchmark os::javaTimeMillis() on both systems. us on Centos and 0.68

Speed 126

Speed Java AWS Virtualization 126

Rigor

JANUARY 13, 2020

This book presents 14 specific rules that will cut 25% to 50% off response time when users request a page. Steve Souders, plus Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, Nicholas C. Web Performance Tuning. Want your web site to display more quickly?

Performance 75

Performance Social Media Website Performance Website 75

SQL Performance

DECEMBER 9, 2020

I’ll present the performance tests that I’ve done with my solution. This tool is so useful that we as a community should join forces to try and create the fastest version that we possibly can. Testing different base table cardinalities is just one dimension to try. There could be many others. Figure 1: Plan for base CTE cardinality of 2.

C++ 61

C++ Servers Testing Code 61

The Netflix TechBlog

OCTOBER 18, 2019

a) Standardized Logging from the treatment services, b) Real-time stream processing over Apache Flink for member activity joins, and c) an Apache Spark client for attribution and reward computation. Data privacy is increasingly important and presents its own set of challenges. Elliot talked about the three key components?—?a)

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

Smashing Magazine

JUNE 26, 2020

Instead, I have tried to make them speak for themselves, through the graphic presentation of their elements, their operations and their use.”. Left & right: Presenting a color palette against a dark background. I do not attempt to speak on behalf of the machines. Large preview ). Using Primary Colors. Large preview ).

Design 94

Design Media C++ Energy 94

HammerDB

JANUARY 5, 2019

For example the following chart (with the actual data removed for the reasons described further in this post) shows the HammerDB TPC-C workload run against the same database on different processing architectures (grouped by colour) and speed with the most recent at the top. In all cases this is random data so presents no security challenges.

Benchmarking 40

Benchmarking Database Social Media Scalability 40

HammerDB

OCTOBER 18, 2019

bin/pgbench -c 1 -S -T 60 pgbench starting vacuum.end. It is also worth noting that C-states are an important part of balancing power and performance and in this case we leave them enabled./cpupower bin/pgbench -c 1 -S -T 60 pgbench starting vacuum.end. So is there a bottleneck in HammerDB or the TPC-C workload?

Benchmarking 63

Benchmarking Performance Hardware C++ 63

The Netflix TechBlog

OCTOBER 18, 2019

a) Standardized Logging from the treatment services, b) Real-time stream processing over Apache Flink for member activity joins, and c) an Apache Spark client for attribution and reward computation. Data privacy is increasingly important and presents its own set of challenges. Elliot talked about the three key components?—?a)

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

Smashing Magazine

APRIL 13, 2020

On top of basic font style properties, we can now reliably fine-tune OpenType figures, hyphenation, ligatures, and even kerning. Whereas HTML’s pre element respects pre-formatted text and presents it exactly as written in a document, the CSS white-space property enables similar results without sacrificing semantics.

Design 116

Design Media C++ Technology 116

Brendan Gregg

APRIL 30, 2018

In addition to our passion for the important role that USENIX plays in our community – a vendor-neutral 501(c)(3) non-profit computing association that advances our industry with conferences, awards, inclusion initiatives, and grants – we also have a strong affection for the LISA conference community. Hope to see you in Nashville!

DevOps 43

DevOps Network Best Practices Programming 43

Percona

OCTOBER 3, 2018

from -> sbtest1 a left join -> sbtest2 b using (k,c,pad) -> where b.id from -> sbtest2 a left join -> sbtest1 b using (k,c,pad) -> where b.id In this particular case, it’s also presenting a workaround to expected inconsistencies with LEFT JOINS with NULL values.

C++ 44

C++ Virtualization Performance Processing 44

Brendan Gregg

APRIL 29, 2018

In addition to our passion for the important role that USENIX plays in our community – a vendor-neutral 501(c)(3) non-profit computing association that advances our industry with conferences, awards, inclusion initiatives, and grants – we also have a strong affection for the LISA conference community. Hope to see you in Nashville!

DevOps 40

DevOps Network Best Practices Big Data 40

HammerDB

OCTOBER 12, 2018

This post complements the previous best practice guides this time with the focus on MySQL and MariaDB and achieving top levels of performance with the HammerDB MySQL TPC-C test. For this reason sysbench presents a vastly more simplified workload than HammerDB. . SELECT DISTINCT c from sbtest where id between ? order by c.

Best Practices 40

Best Practices Scalability Performance C++ 40

Brendan Gregg

SEPTEMBER 25, 2021

As (C) looked like a kernel rebuild, I started with (D) and (E). ## 6. I also rewrote this in C and called gettimeofday(2) directly: $ cat gettimeofdaybench.c Here's some experimental approaches I could also explore: Disable tracesys/syscall_trace. Microbenchmark os::javaTimeMillis() on both systems. us on Centos and 0.68 us on Ubuntu.

Speed 40

Speed Java Virtualization AWS 40

SQL Performance

SEPTEMBER 2, 2021

He spent a lot of time fine-tuning this CLR function to efficiently parse a string. Over on SQLServerCentral, Jeff Moden presented a splitter function that rivaled the performance of CLR , so I thought it only fair to include a variation using a similar approach in this round-up. all_columns AS c WHERE EXISTS. ( all_columns.

C++ 59

C++ Servers Testing Database 59

The Netflix TechBlog

AUGUST 29, 2023

Eureka and Ribbon presented a simple but powerful interface, which made adopting them easy. If service A needs to talk to clusters B and C, then you need to define clusters B and C as part of A’s proxy config. This is the first in a series of posts on our journey to service mesh, so stay tuned.

Traffic 220

Traffic Latency Cloud C++ 220

Brendan Gregg

SEPTEMBER 5, 2017

Hit Ctrl-C to end. ^C C operation = 'read' usecs : count distribution 0 -> 1 : 0 | | 2 -> 3 : 0 | | 4 -> 7 : 4479 | *| 8 -> 15 : 1028 | | 16 -> 31 : 14 | | 32 -> 63 : 1 | | [.]. Just from a quick search, see this presentation PDF , which digs into oops message components. Tracing ZFS operation latency.

Virtualization 76

Virtualization AWS Engineering Hardware 76

John McCalpin

JANUARY 22, 2018

Dr. Damon McDougall gave a short presentation on this study at the IXPUG 2018 Fall Conference ( pdf ) — I originally wrote these notes to help organize my thoughts as we were preparing the IXPUG presentation, and later decided that the extra details contained here are interesting enough for me to post it.

Latency 40

Latency Hardware Code Testing 40

O'Reilly

SEPTEMBER 19, 2023

And that brings our story to the present day: Stage 3: Neural networks High-end video games required high-end video cards. You can download these models to use out of the box, or employ minimal compute resources to fine-tune them for your particular task. Moving beyond point estimates is very close to present-day AI challenges.

Hardware 98

Hardware Storage Big Data Blockchain 98

SQL Server According to Bob

JANUARY 11, 2020

​​ Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. This White Paper is for informational purposes only.

Servers 40

Servers Cache Database Media 40

The Netflix TechBlog

JULY 1, 2019

In a previous post , we described how our TV application consists of a C++ SDK installed natively on the device, an updatable JavaScript user interface (UI) layer, and a custom rendering layer known as Gibbon. We ship the same UI to thousands of different devices in order to deliver a consistent user experience.

Cache 166

Cache Design Testing Development 166

Smashing Magazine

AUGUST 9, 2021

For example, if we have files A, B, and C, we would have three TCP connections. You see, because TCP is a much older protocol and not made for just loading web pages, it doesn’t know about A, B, or C. You might think that’s not a big problem, as we see there is no loss for resources A and C. For HTTP/1.1, Large preview ).

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

SEPTEMBER 13, 2021

As nice entry points into animations themselves I would suggest MDN as a general reference , Daniel C. We won’t go through the ways to define effects and tuning them to achieve the outcome you want. To make an effect work, to achieve a certain feel you need to be able to fine-tune the way properties change.

Media 96

Media Tuning Design Code 96

Smashing Magazine

AUGUST 22, 2021

As such, tuning congestion logic is usually only done by a select few developers, and evolution is slow. In reality, these are actually TLS features that were already present in some form in TLS 1.2 Let’s contemplate what would happen if A, B, and C were all render-blocking resources. and are now fully fledged in TLS 1.3.

Performance 106

Performance Network Latency Servers 106

Smashing Magazine

NOVEMBER 24, 2021

A map that blends past and present, a musical time machine bringing back distant memories, or an interactive graphic novel pulling you deeper and deeper into a powerful story — sometimes you come across a lovely little website that, well, instantly conquers your heart. A” is for “Albert”, “B” is for “Bounce”, “C” for “Cowabunga”.

Website 121

Website Design Open Source Games 121