SQL Server According to Bob

FEBRUARY 10, 2019

This blog takes you through the debugging journey, refreshing us on old concepts and introducing some new ones. Failures occur from remote clients or sqlcmd executed directory on the server (/opt/mssql-tools/bin). SQL Server 2017 CU10 does not show behavior. · SQL Server 2017 CU12 exhibits the behavior. Network Trace.

Servers 40

Servers Network Database Systems 40

Brendan Gregg

OCTOBER 8, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 110

C++ Virtualization Programming Latency 110

Rigor

JANUARY 13, 2020

When it comes to web content, you can easily find what you need through many different paths, from search engines and social media to playlists and blogs, jumping from one source to another with just a tap of a finger. High Performance Browser Networking. Fail, and you can kiss your customers and profits goodbye.” Time is Money.

Performance 75

Performance Social Media Website Website Performance 75

Smashing Magazine

JANUARY 15, 2019

So, apart from powering servers with renewable energy, what else can web developers do about climate change? This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. In 2016, O’Reilly published “ Designing For Sustainability ” by Tim Frick.

Website Performance 73

Website Performance Website Energy Performance 73

Rigor

MARCH 20, 2018

I recently was asked the following question by an online retailer: “Why should I invest in monitoring the user experience when I already have monitoring for our database, infrastructure, app server, and network?”. Instead of asking that question, I asked them this: “Are you a network or hosting provider?

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

Rigor

SEPTEMBER 11, 2019

Jake is a developer advocate at Google working with the Chrome team to develop and promote web standards and developer tools, as well as a contributor to the Chromium blog. The future of HTTP/2 server push. Jake Archibald. ” He shares information about UX issues and the latest news from Chrome, with a web performance slant.

Performance 89

Performance Education Google Website 89

Brendan Gregg

OCTOBER 7, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 40

C++ Virtualization Programming Latency 40

Dynatrace

JUNE 7, 2019

ActiveGate OS: Ubuntu Server 16.04 LTS, RHEL server 7, CentOS server 7. A: We currently support Ubuntu Server 16.04 LTS, Red Hat server 7 and CentOS server 7 for the execution of private browser monitors; Windows Server 2016 support is coming soon as well.

Network 156

Network Monitoring Servers Hardware 156

SQL Server According to Bob

SEPTEMBER 26, 2016

When we released Always On Availability Groups in SQL Server 2012 as a new and powerful way to achieve high availability, hardware environments included NUMA machines with low-end multi-core processors and SATA and SAN drives for storage (some SSDs). As we moved towards SQL Server 2014, the pace of hardware accelerated.

Availability 40

Availability Servers Hardware Benchmarking 40

CSS Wizardry

MARCH 3, 2019

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. This includes CDNs, proxy servers, and the like. Once the 60 seconds is up, the browser will head back to the server to revalidate the file. public and private.

Cache 264

Cache Latency Strategy Servers 264

Brendan Gregg

NOVEMBER 29, 2017

In this configuration, the AMI and boot is paravirt (PV), the kernel is making hypercalls instead of privileged instructions, and the system is using paravirt network and storage drivers. But not all workloads: some are network bound (proxies) and storage bound (databases). ## 5. AWS called this [enhanced networking].

Virtualization 111

Virtualization AWS Hardware Storage 111

Brendan Gregg

SEPTEMBER 5, 2017

LTS (April 2016). I wrote about it in a previous post, [DTrace for Linux 2016]. I wrote a page on it: [perf]. - **eBPF**: tracing features completed in 2016, this provides efficient programmatic tracing to existing kernel frameworks. Oracle VM Server is based on Xen. The hardest part on Linux is now done: kernel support.

Virtualization 76

Virtualization AWS Engineering Hardware 76

MachMetrics

JUNE 30, 2021

from wpostats, 2016 ). The factors that impact on LCP: Slow origin server response times Render-blocking JavaScript and CSS on page load Page Resource load times User side page rendering. Role of web servers in page load time –. You must have been suggested to choose a fast web server for better performance and reliable uptime.

Cache 78

Cache Speed Google Website 78

Brendan Gregg

NOVEMBER 28, 2017

In this configuration, the AMI and boot is paravirt (PV), the kernel is making hypercalls instead of privileged instructions, and the system is using paravirt network and storage drivers. But not all workloads: some are network bound (proxies) and storage bound (databases). ## 5. AWS called this [enhanced networking].

Virtualization 40

Virtualization AWS Hardware Storage 40

SQL Performance

SEPTEMBER 2, 2021

SQL Server 2016 brought us STRING_SPLIT , a native function that eliminates the need for many of the custom solutions we’ve needed before. I’ve written several articles about this function (and STRING_AGG, which arrived in SQL Server 2017) since this post was written: Performance Surprises and Assumptions : STRING_SPLIT().

C++ 59

C++ Servers Testing Database 59

Smashing Magazine

JULY 6, 2021

With Luminary’s 21 years of experience in the digital space, my experience of 17 years in the CMS space as well as our focus on Headless since 2016, here are my two cents on what you should look out for. Content Management APIs have been a blessing where we automated the import of over 2,000 blog posts from a WordPress site to a headless CMS.

Cache 143

Cache Website Mobile Google 143

Smashing Magazine

JUNE 26, 2019

I recently wrote a blog post for a web designer client about page speed and why it matters. In this case, my website is “slow”, even when served on 4G networks. After all, Opens Sans is a Google Font that has to be served from Google’s servers. When served from a local server, Open Sans took 0.530 milliseconds to load.

Website 110

Website Speed Mobile Design 110

Smashing Magazine

OCTOBER 26, 2018

WordPress came a long way from its start as a simple blog writing tool. Because of its history and for being sort of a fork of an old blogging platform called “b2” (more details here ), it’s largely written in a procedural way (using function-based code). on December 6th, 2016. Denis Žoljom. 2018-10-26T13:45:46+02:00.

Cache 78

Cache Website Speed Database 78

The Symphonia

DECEMBER 6, 2017

We haven’t tried out SAR yet since it was only pre-announced, but when we do we’ll give an update here, on the blog. without web app servers?—?to to a massively distributed CDN network a possibility. There have been some improvements since re:Invent 2016 but to see nothing announced at this re:Invent was very disappointing.

Serverless 40

Serverless Lambda AWS Traffic 40

Percona

JANUARY 14, 2019

Public API as -a-service has become a good business model: examples include social networks like Facebook/Twitter, messaging as a service like Twilio, and even credit card authorization platforms like Marqeta. Vadim published a blog post about analyzing reddit comments with ClickHouse. So can we use it as our main datastore?

Database 40

Database Analytics Blockchain Healthcare 40