SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

Dynatrace

JUNE 7, 2019

Audit logs are available on individual nodes at DATASTORE_PATH/log/server. An agent field is provided for enabling/disabling OneAgent traffic on individual nodes. To see the complete picture of all changes that have occurred across all nodes, you need to process audit logs from all nodes.

Hardware 103

Hardware Traffic Servers Monitoring 103

Percona

MARCH 7, 2019

The customer had noticed a linear high CPU usage in one of their MySQL instances and was not able to figure out why as there was no much traffic hitting the app. The server is a small instance: Models | 6xIntel(R) Xeon(R) CPU E5-2430 0 @ 2.20GHz 10GB RAM This symptom can be caused by various different reasons. Creating new table.

C++ 98

C++ Traffic Servers Monitoring 98

KeyCDN

JUNE 6, 2019

We offer both a one click solution with no change required on your origin server as well as an approach where you can deliver the WebP assets from your origin server. Option 2 - Deliver WebP Assets from your Origin If you want to generate the WebP images on your origin server, you can do that was well.

Cache 81

Cache Servers Website Traffic 81

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Blocking write traffic by locking tables. Writing events to any output.

Database 197

Database Traffic Transportation Open Source 197

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Blocking write traffic by locking tables. Writing events to any output.

Database 212

Database Traffic Transportation Open Source 212

The Morning Paper

FEBRUARY 11, 2020

As of January 21, 2019, the CA had issued a total of 538M certificates for 223M unique FQDNs… Let’s Encrypt has been responsible for significant growth in HTTPS deployment. In a model for others to follow, the Caddy web server will automatically provision Let’s Encrypt certificates. In the beginnning. The last word.

Internet 119

Internet Internet Open Source Transportation 119

Percona

JULY 7, 2023

In general terms, to achieve HA in PostgreSQL, there must be: Redundancy: To ensure data redundancy and provide continuous performance when a primary server fails, multiple copies of the database reside in replica servers. When the primary server fails, a standby server takes over as the new primary.

Availability 82

Availability Open Source Architecture Database 82

Scalegrid

MAY 2, 2019

It is also recommended that SSL connections be enabled to encrypt the client-database traffic. 1305:12 @(shell):1:1 2019-04-18T19:44:42.261+0530 I NETWORK [thread1] trying reconnect to SG-example-1.servers.mongodirector.com:27017 failed 2019-04-18T19:44:43.267+0530 I NETWORK [thread1] reconnect SG-example-1.servers.mongodirector.com:27017

Testing 55

Testing Network Database Servers 55

KeyCDN

MARCH 22, 2023

Some attackers will try to deface your website and inject malware into it, steal your or your customer's data, and delete important content from your server. Why a website security check is so important In 2019, it was found that over 60% of websites were vulnerable at the time of infection.

Website 60

Website Servers Ecommerce Google 60

Rigor

SEPTEMBER 3, 2019

What you may be overlooking is that peak-event readiness is about more than just load testing or ensuring that your servers are up throughout a specific timeframe. They seem to have learned from their mistakes for Prime Day 2019.). Traffic patterns outside of normal [RUM or Analytics]. Servers down or server health issues [APM].

Website 74

Website Cache Ecommerce Traffic 74

CSS - Tricks

NOVEMBER 1, 2019

The FCP distribution for the 10th, 50th and 90th percentile values as reported on August 1, 2019. TTI distribution for the 10th, 50th and 90th percentile values as reported on August 1, 2019. TTFB represents the time browser waits to receive first bytes of the response from server. The average time to interactive is 9.3

Speed 46

Speed Mobile Metrics Scalability 46

CSS - Tricks

MAY 15, 2019

Images make up around 50% of an average website's traffic. In short, we’re talking about a mechanism that defers the network traffic necessary to load content when it’s needed — or rather when trigger the load when the content enters the viewport. Today's websites are packed with heavy media assets like images and videos. The benefit?

Traffic 58

Traffic Website Network Analytics 58

The Morning Paper

OCTOBER 4, 2020

The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 In the radio portion of the network, 5G buffer sizes are 5x 4G, but within the wired portion of the network only about 2.5x (this is with a 1000 Mbps provisioned cloud server). km university campus.

Energy 130

Energy Latency Performance Network 130

Smashing Magazine

FEBRUARY 15, 2021

When I think of network speeds, I tend to rely on WebPageTest ’s traffic profiles: Traffic profiles to keep in mind on WebPageTest : ranging from Cable and DSL to 3G Slow and 2G. The table below is showing the total amount of traffic used. Now, some of these numbers are slightly scare as they are slightly large. Large preview ).

Network 143

Network Speed Website Mobile 143

Smashing Magazine

MARCH 28, 2019

2019-03-28T10:30:39+01:00. 2019-04-29T18:34:58+00:00. Because server technology is rarely understood by the people who own websites, it’s easy for them to mistakenly think they can save money there. You build an amazing website that aims to do exactly what your client wanted, but the server technology is holding it back.

Website 48

Website Servers Design Traffic 48

Rigor

JULY 2, 2019

This is similar to the type of redirect used if you’ve registered multiple domains and you want to direct all of your traffic to your primary URL. In all of these instances, you should identify which URL garners the most traffic and then configure an HTTP 301 -type redirect for all of the lesser-used URLs to the most-trafficked.

Mobile 60

Mobile Traffic Google Latency 60

Alex Russell

MARCH 6, 2021

India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. So what did $150USD fetch in 2019? The smooth, dulcet tones of 2019's Moto E6. " package.

Performance 124

Performance Network Cache Metrics 124

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This server is spending about a third of its CPU cycles just checking the time! The CentOS flame graph: The Ubuntu flame graph: Darn, they didn't work.

Speed 126

Speed Java AWS Virtualization 126

The Morning Paper

JULY 4, 2019

Monocle grabs data from the Atlas telemetry system, the tracing system, and by querying runtime servers for configuration information such as time values. Automating chaos experiments in production Basiri et al., Are you ready to take your system assurance programme to the next level? Defining and running experiments.

Latency 77

Latency Engineering Metrics Traffic 77

Enprowess

JANUARY 12, 2022

According to Ericsson’s analysis, international mobile data traffic is projected to become 4.5 Use in traffic systems: Using IoT technology, delivery, traffic or transportation tracking, asset tracking, inventory control, customer management, and individual order tracking can be more cost-effective with the right tracking system.

Blockchain 59

Blockchain IoT Development Serverless 59

Smashing Magazine

FEBRUARY 12, 2019

2019-02-12T12:00:22+01:00. 2019-04-29T18:34:58+00:00. No uptime guarantee: Similarly to MidPhase, Bluehost doesn’t offer any uptime guarantees either (just a network/server uptime agreement ). However, their servers have been working very steadily, with the exception of one bigger outage (42 minutes). John Stevens.

Testing 50

Testing Website Servers Availability 50

The Morning Paper

APRIL 11, 2019

UPDATE 2019-04-14: An author update has been published for this paper which details that with current browser versions, ServiceWorkers can only stay alive for about a minute after the user navigates away from the site. modify their code, monitor their outgoing traffic etc.). NDSS’19.

Website 44

Website Network Traffic Cache 44

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. The United Kingdom is ranked 34th out of 207 countries for broadband speed, but in July 2019 there was still a school in the UK without broadband. Again, the cost is negligible, but wastes some compression CPU time on the server and decompression CPU time on the client.

Cache 96

Cache Google Mobile Network 96

Smashing Magazine

JANUARY 11, 2021

CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users. But account for the different types and usage behaviors of your customers (which Tobias Baldauf called cadence and cohorts ), along with bot traffic and seasonality effects. You can create your own on Chrome UX Dashboard.

Performance 145

Performance Cache Media Metrics 145

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This server is spending about a third of its CPU cycles just checking the time! The CentOS flame graph: The Ubuntu flame graph: Darn, they didn't work.

Speed 52

Speed Java AWS Virtualization 52

Dynatrace

NOVEMBER 20, 2019

Having released this functionality in an Early Adopter Release with OneAgent version 1.173 and Dynatrace version 1.174 back in August 2019, we’re now happy to announce the General Availability of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux. Dynatrace news.

Availability 32

Availability Hardware Java Tuning 32

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It used to provide an insight into how quickly the server outputs any data. What does it mean? Large preview ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. This flexible approach is well-established and widely-adopted by back-end and server architects. There are several ways you can organize Host and Alien: Different domains or IP addresses; Different folders on your server; git submodules ; And so on. Denys Mishunov.

Architecture 74

Architecture Virtualization Servers Technology 74

O'Reilly

DECEMBER 2, 2019

5G enthusiasts frequently say it’s an enabling technology for autonomous vehicles (AV), which will need high bandwidth to download maps and images, and perhaps even to communicate with each other: AV heaven is a world in which all vehicles are autonomous and can therefore collaboratively plan traffic. Upcoming events.

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

Dynatrace

AUGUST 8, 2019

We are already working on the support for SUSE Linux Enterprise Server (SLES) which we will be announcing shortly. OneAgent for Z/Linux collects a number of network metrics: input and output traffic measured in bytes and packets, retransmissions, and connectivity. running on the 64-bit OS/390x platform. Feedback or comments?

Availability 25

Availability Hardware Java Tuning 25

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. This server is spending about a third of its CPU cycles just checking the time! The CentOS flame graph: The Ubuntu flame graph: Darn, they didn't work.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

OCTOBER 15, 2018

2019-04-29T18:34:58+00:00. A website today receives a large chunk of its traffic from evergreen browsers — most of which have good support for ES6+, new JavaScript standards, new web platform APIs and CSS attributes. Smart Bundling: How To Serve Legacy Code Only To Legacy Browsers. Shubham Kanodia. 2018-10-15T14:30:13+02:00.

Code 58

Code Retail Mobile Website 58