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Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., The runtime component takes as input data on the operational state of the infrastructure, and measurement data such as edge traffic volumes and edge-to-datacenter latency. MORE
When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Web Performance is not only about understanding what makes a site fast. MORE
He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan. MORE
What’s new is that it’s serving all of Wayfair’s customer-facing traffic. PHP7 is out. This isn’t news. It’s been out since last December, with nine minor revisions since then. Performance-wise, PHP7 is the rocket ship people said it would be. We’re nothing but pleased. If you can upgrade, you should do. Read more. Open Source Web Performance open source php MORE
I selfishly look at my blog posts (like this one) and see whether LinkedIn, or Twitter, drove more traffic! If we see an issue, or more importantly if Davis (The Dynatrace AI engine) picks up a reduction in traffic or an increase in errors, we are quickly able to pinpoint why and fix it. MORE
Memcached is very good at handling high traffic websites. Redis can not handle heavy traffic on read/write. Memcached is in-memory key value store whereas Redis is in-memory data structures store. Memcached supports only string data type which is ideal for storing read-only data. MORE
No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service. MORE
As a result, the number of servers and the quantity of traffic have been exploding exponentially. In the era of Digital Transformation (DX) the IT landscape has expanded to environments that rely extensively on virtualization, hyper-converged infrastructure (HCI), and cloud computing. MORE
Is your website prepared for record breaking traffic and sales? Halloween is almost here and before you know it, it will be Black Friday and then, Cyber Monday. These consumer “holidays” bring about the race for shoppers to buy all of the coveted items on. MORE
There are three different ways ProxySQL can direct traffic between your application and the back-end MySQL services. Locally, on the MySQL servers. Between the MySQL servers and the application. Colocated on the application servers themselves. Without going through too much detail, each has its own limitations. In the first form, the application needs to know about all MySQL servers at any given point in time. MORE
Dynatrace’s AI engine, Davis automatically identified high traffic surges on the county website as the fire took hold. Dynatrace was able to tell the county you have high traffic on your site due to an influx of residents specifically seeking information on the Woolsey Fire. MORE
Yesterday I had a discussion with a customer and realized that the BCP, TDS pattern could use a bit of documentation. Customer Scenario/Question: I am using BCP.exe to import a large data set. BCP.exe takes 15 minutes to complete but I only see a few seconds for the BULK INSERT command when monitoring dm_exec_requests. What is taking so long if the BULK INSERT is only showing a few seconds in dm_exec_requests? The customer was correct in her observation. MORE
Harnessing DNS for traffic steering, load balancing, and intelligent response. In the case of traffic management, service endpoints can be monitored through continual health checks that verify that the expected resources are available and functioning. MORE
The role of testing has expanded far beyond making sure that an e-commerce website can cope with a traffic surge during the holiday shopping season. In the world of aerospace and defense (A&D), and for the Orion spacecraft project in particular, software testing is mission-critical. App Dev & Testing, Testing, Application Testing, Test Automation MORE
The post Are Your Business Applications Dealing with a Traffic Jam? With Mobile World Congress (MWC) 2019 just behind us it is clear that most, if not all conversation were about Read More. Get Unstuck Today! appeared first on Apica. API Cloud Monitoring MORE
Can we adjust our auto-scaling policies to be more efficiency without risking our availability during traffic spikes? MORE
In the event of an isolated failure we first pre-scale microservices in the healthy regions after which we can shift traffic away from the failing one. So, if we evacuate South American traffic to North America, demand for CE and Android DRM won’t grow uniformly. MORE
Wake up! It's HighScalability time: A highly simplified diagram of serverless. ( @jbesw ). Do you like this sort of Stuff? I'd greatly appreciate your support on Patreon. Know anyone who needs cloud? I wrote Explain the Cloud Like I'm 10 just for them. It has 40 mostly 5 star reviews. MORE
Semi-automated and self optimizing Smart campaigns are designed to drive leads and traffic with minimal setup and maintenance (see Figure 1). In July 2018 Google rolled out Smart Campaigns in Google Ads in the US. MORE
Session Replay features a number of settings, controls, and API calls that allow you to selectively record only those user sessions that are relevant to your business case: The Cost and traffic control setting, which allows you to decide the percentage of sessions you want to record. MORE
The number of services that compose our product in order to scale our organization and handle the increases in traffic went from under 10 to over 30 services. MORE
Network traffic is also monitored, included all TLS-secured traffic where the developers hadn’t used certificate pinning (i.e., Once the app has run in the rig for a while, the network traffic generated by the app is inspected to uncover leaked information. MORE
Corosync traffic was blocked on the master server. Corosync traffic was blocked on the standby server. In our previous blog posts, we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by Cluster Labs and Replication Manager (repmgr) by 2ndQuadrant. MORE
One specific Titus middleware service serving the Netflix streaming service saw a capacity reduction of 13% (a decrease of more than 1000 containers) needed at peak traffic to serve the same load with the required P99 latency SLA! MORE
While adequate for low-traffic applications, small databases, and dev/test environments, we recommend against leveraging shared clusters for your MongoDB production deployments. This is typically more than adequate for production deployments and high-traffic applications, and starts at $60/month for 8GB of memory, 2 vCPUs, 4TB of transfer and 25GB of SSD disk space. MongoDB is the #3 open source database and the #1 NoSQL database in the world. MORE
Aria Bracci : Using a previously established, peer-reviewed technique, the team conducted more than half a million data traffic tests across 161 countries. Wake up! It's HighScalability time: A swarm of 300 autonomous burner drones take flight like sparkle from a fairy godmother's wand. ( MORE
Ever wanted to see the precise HTTP traffic going through your Spring Boot API? Vegetables won't keep your app healthy. With the Spring Boot Actuator and some code, you can! Spring Boot Actuator manages and monitors the health of your app using HTTP endpoints. MORE
Is the blog drawing traffic? Which pages are receiving the most traffic? You may think the answers are obvious, and the most obvious questions include: How many people are hitting our website? How many site visitors are converting? MORE
When I read this, I thought of how adding extra lanes to highways actually causes more traffic, which is equally weird and counterintuitive. Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users. MORE
Prior to launch, they load-tested their software stack to process up to 5x their most optimistic traffic estimates. As shown in Figure 11-5, when it launched, Pokémon GO used Google’s regional Network Load Balancer (NLB) to load-balance ingress traffic across a Kubernetes cluster. MORE
Hey, wake up! It's HighScalability time: Halloween is early. Do you know what's hiding inside your computer? Probably not. bloomberg ). Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud? MORE
This application was slowing down sometimes during high traffic volume periods; sometimes during low traffic periods as well. Learn how to troubleshoot your application. Recently we were troubleshooting a popular SaaS application. This application was slowing down intermittently. MORE
Let’s face it - the ideal load test emulates real world traffic, yet most load testing software doesn't come close. A series of GET requests from an in-house server can't possibly replicate what actually happens when a website sees a sudden increase in users from all over the world. MORE
Scalability is being able to handle large amounts of users/data/traffic. One thing that tripped me up early on in my career was the difference between performance and scalability. At first I thought they were exactly the same. MORE
In the web hosting service industry, it is commonly used for balancing the HTTP traffic across multiple servers which act together as a web front-end. A Load Balancer allows the users to distribute the traffic to a single IP across several servers by using a set of different protocols. In case if one of the server nodes fails, the traffic can be programmatically distributed to other nodes without any service interruption. What is Load Balancing? MORE
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. MORE
All other application instances were handling the traffic properly. What happens when you're out of memory? You may also like: Java Out of Memory Heap Analysis. Recently we experienced an interesting production problem. MORE
To accomplish this, Uber relies heavily on making data-driven decisions at every level, from forecasting rider demand during high traffic events to identifying and addressing bottlenecks … The post Uber’s Big Data Platform: 100+ Petabytes with Minute Latency appeared first on Uber Engineering Blog. Uber is committed to delivering safer and more reliable transportation across our global markets. MORE
The high-traffic, lock-protected resources in System R are the buffer pool, recovery log, and system entry/exit. Here are their respective stats: If a process P1 goes into a wait state while it holds a high traffic lock L (e.g. Never page fault while a high traffic lock is held. MORE
A few noteworthy examples include: Realtime monitoring of Netflix streaming health which examines all of Netflix’s streaming video traffic in realtime and accurately identifies negative impact on the viewing experience with fine-grained granularity. MORE
Native (No Traffic Shaping). These are especially handy when you’re running tests meant for mobile – be sure to choose one of the three mobile connections speeds so you can best simulate the real load time of your mobile traffic. MORE
Currently, global Internet traffic counts to a whopping 4.3 Testing on Google Chrome is necessary for any app-designer. Internet usage has constantly exploded in the past decade and continues to grow every single day. billion users. MORE
The post Are Your Business Applications Dealing with a Traffic Jam? With Mobile World Congress (MWC) 2019 just behind us it is clear that most, if not all conversation were about Read More. Get Unstuck Today! appeared first on Apica. API Cloud Monitoring MORE
This is to handle the large volume of poll requests coming from subscribed clients without passing on the traffic to the Cassandra cluster. MORE
Traffic Related Topics The Morning Paper
NOVEMBER 14, 2019
Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., The runtime component takes as input data on the operational state of the infrastructure, and measurement data such as edge traffic volumes and edge-to-datacenter latency.
Apica
MARCH 28, 2019
The post Are Your Business Applications Dealing with a Traffic Jam? With Mobile World Congress (MWC) 2019 just behind us it is clear that most, if not all conversation were about Read More. Get Unstuck Today! appeared first on Apica. API Cloud Monitoring
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Apica
MARCH 28, 2019
The post Are Your Business Applications Dealing with a Traffic Jam? With Mobile World Congress (MWC) 2019 just behind us it is clear that most, if not all conversation were about Read More. Get Unstuck Today! appeared first on Apica. API Cloud Monitoring
SQL Server According to Bob
SEPTEMBER 16, 2016
Yesterday I had a discussion with a customer and realized that the BCP, TDS pattern could use a bit of documentation. Customer Scenario/Question: I am using BCP.exe to import a large data set. BCP.exe takes 15 minutes to complete but I only see a few seconds for the BULK INSERT command when monitoring dm_exec_requests. What is taking so long if the BULK INSERT is only showing a few seconds in dm_exec_requests? The customer was correct in her observation.
DZone
JANUARY 24, 2020
This application was slowing down sometimes during high traffic volume periods; sometimes during low traffic periods as well. Learn how to troubleshoot your application. Recently we were troubleshooting a popular SaaS application. This application was slowing down intermittently.
The Netflix TechBlog
SEPTEMBER 23, 2019
In the event of an isolated failure we first pre-scale microservices in the healthy regions after which we can shift traffic away from the failing one. So, if we evacuate South American traffic to North America, demand for CE and Android DRM won’t grow uniformly.
DZone
JULY 31, 2019
In the web hosting service industry, it is commonly used for balancing the HTTP traffic across multiple servers which act together as a web front-end. A Load Balancer allows the users to distribute the traffic to a single IP across several servers by using a set of different protocols. In case if one of the server nodes fails, the traffic can be programmatically distributed to other nodes without any service interruption. What is Load Balancing?
Dynatrace
AUGUST 14, 2019
Session Replay features a number of settings, controls, and API calls that allow you to selectively record only those user sessions that are relevant to your business case: The Cost and traffic control setting, which allows you to decide the percentage of sessions you want to record.
DZone
SEPTEMBER 30, 2019
Ever wanted to see the precise HTTP traffic going through your Spring Boot API? Vegetables won't keep your app healthy. With the Spring Boot Actuator and some code, you can! Spring Boot Actuator manages and monitors the health of your app using HTTP endpoints.
DZone
SEPTEMBER 25, 2019
All other application instances were handling the traffic properly. What happens when you're out of memory? You may also like: Java Out of Memory Heap Analysis. Recently we experienced an interesting production problem.
Software Architecture
AUGUST 24, 2017
Memcached is very good at handling high traffic websites. Redis can not handle heavy traffic on read/write. Memcached is in-memory key value store whereas Redis is in-memory data structures store. Memcached supports only string data type which is ideal for storing read-only data.
Website Optimization
SEPTEMBER 29, 2019
Semi-automated and self optimizing Smart campaigns are designed to drive leads and traffic with minimal setup and maintenance (see Figure 1). In July 2018 Google rolled out Smart Campaigns in Google Ads in the US.
Dotcom-Montior
OCTOBER 26, 2015
Is the blog drawing traffic? Which pages are receiving the most traffic? You may think the answers are obvious, and the most obvious questions include: How many people are hitting our website? How many site visitors are converting?
DZone
APRIL 26, 2019
As a result, the number of servers and the quantity of traffic have been exploding exponentially. In the era of Digital Transformation (DX) the IT landscape has expanded to environments that rely extensively on virtualization, hyper-converged infrastructure (HCI), and cloud computing.
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.
Scalegrid
DECEMBER 16, 2019
While adequate for low-traffic applications, small databases, and dev/test environments, we recommend against leveraging shared clusters for your MongoDB production deployments. This is typically more than adequate for production deployments and high-traffic applications, and starts at $60/month for 8GB of memory, 2 vCPUs, 4TB of transfer and 25GB of SSD disk space. MongoDB is the #3 open source database and the #1 NoSQL database in the world.
The Morning Paper
JUNE 30, 2019
The high-traffic, lock-protected resources in System R are the buffer pool, recovery log, and system entry/exit. Here are their respective stats: If a process P1 goes into a wait state while it holds a high traffic lock L (e.g. Never page fault while a high traffic lock is held.
Abstracta
OCTOBER 24, 2017
Is your website prepared for record breaking traffic and sales? Halloween is almost here and before you know it, it will be Black Friday and then, Cyber Monday. These consumer “holidays” bring about the race for shoppers to buy all of the coveted items on.
José M. Pérez
JUNE 2, 2018
When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Web Performance is not only about understanding what makes a site fast.
The Morning Paper
SEPTEMBER 24, 2019
Network traffic is also monitored, included all TLS-secured traffic where the developers hadn’t used certificate pinning (i.e., Once the app has run in the rig for a while, the network traffic generated by the app is inspected to uncover leaked information.
High Scalability
AUGUST 27, 2018
The number of services that compose our product in order to scale our organization and handle the increases in traffic went from under 10 to over 30 services.
Dynatrace
SEPTEMBER 30, 2019
Dynatrace’s AI engine, Davis automatically identified high traffic surges on the county website as the fire took hold. Dynatrace was able to tell the county you have high traffic on your site due to an influx of residents specifically seeking information on the Woolsey Fire.
High Scalability
SEPTEMBER 21, 2018
Aria Bracci : Using a previously established, peer-reviewed technique, the team conducted more than half a million data traffic tests across 161 countries. Wake up! It's HighScalability time: A swarm of 300 autonomous burner drones take flight like sparkle from a fairy godmother's wand. (
Professor Beekums
AUGUST 19, 2017
Scalability is being able to handle large amounts of users/data/traffic. One thing that tripped me up early on in my career was the difference between performance and scalability. At first I thought they were exactly the same.
O'Reilly Software
APRIL 30, 2018
Harnessing DNS for traffic steering, load balancing, and intelligent response. In the case of traffic management, service endpoints can be monitored through continual health checks that verify that the expected resources are available and functioning.
High Scalability
AUGUST 8, 2018
Prior to launch, they load-tested their software stack to process up to 5x their most optimistic traffic estimates. As shown in Figure 11-5, when it launched, Pokémon GO used Google’s regional Network Load Balancer (NLB) to load-balance ingress traffic across a Kubernetes cluster.
Scalegrid
AUGUST 22, 2019
Corosync traffic was blocked on the master server. Corosync traffic was blocked on the standby server. In our previous blog posts, we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by Cluster Labs and Replication Manager (repmgr) by 2ndQuadrant.
Dynatrace
OCTOBER 28, 2019
I selfishly look at my blog posts (like this one) and see whether LinkedIn, or Twitter, drove more traffic! If we see an issue, or more importantly if Davis (The Dynatrace AI engine) picks up a reduction in traffic or an increase in errors, we are quickly able to pinpoint why and fix it.
Rigor
SEPTEMBER 17, 2019
He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan.
Uber Engineering
OCTOBER 17, 2018
To accomplish this, Uber relies heavily on making data-driven decisions at every level, from forecasting rider demand during high traffic events to identifying and addressing bottlenecks … The post Uber’s Big Data Platform: 100+ Petabytes with Minute Latency appeared first on Uber Engineering Blog. Uber is committed to delivering safer and more reliable transportation across our global markets.
High Scalability
OCTOBER 5, 2018
Hey, wake up! It's HighScalability time: Halloween is early. Do you know what's hiding inside your computer? Probably not. bloomberg ). Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud?
CSS - Tricks
SEPTEMBER 16, 2019
When I read this, I thought of how adding extra lanes to highways actually causes more traffic, which is equally weird and counterintuitive. Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users.
The Netflix TechBlog
OCTOBER 21, 2019
A few noteworthy examples include: Realtime monitoring of Netflix streaming health which examines all of Netflix’s streaming video traffic in realtime and accurately identifies negative impact on the viewing experience with fine-grained granularity.
Dotcom-Montior
JUNE 19, 2017
Let’s face it - the ideal load test emulates real world traffic, yet most load testing software doesn't come close. A series of GET requests from an in-house server can't possibly replicate what actually happens when a website sees a sudden increase in users from all over the world.
High Scalability
MARCH 8, 2019
Wake up! It's HighScalability time: A highly simplified diagram of serverless. ( @jbesw ). Do you like this sort of Stuff? I'd greatly appreciate your support on Patreon. Know anyone who needs cloud? I wrote Explain the Cloud Like I'm 10 just for them. It has 40 mostly 5 star reviews.
The Netflix TechBlog
MARCH 5, 2019
Can we adjust our auto-scaling policies to be more efficiency without risking our availability during traffic spikes?
The Netflix TechBlog
OCTOBER 16, 2019
This is to handle the large volume of poll requests coming from subscribed clients without passing on the traffic to the Cassandra cluster.
Wayfair Tech
SEPTEMBER 12, 2016
What’s new is that it’s serving all of Wayfair’s customer-facing traffic. PHP7 is out. This isn’t news. It’s been out since last December, with nine minor revisions since then. Performance-wise, PHP7 is the rocket ship people said it would be. We’re nothing but pleased. If you can upgrade, you should do. Read more. Open Source Web Performance open source php
TechBeacon Testing
NOVEMBER 27, 2018
The role of testing has expanded far beyond making sure that an e-commerce website can cope with a traffic surge during the holiday shopping season. In the world of aerospace and defense (A&D), and for the Orion spacecraft project in particular, software testing is mission-critical. App Dev & Testing, Testing, Application Testing, Test Automation
DZone
APRIL 30, 2019
There are three different ways ProxySQL can direct traffic between your application and the back-end MySQL services. Locally, on the MySQL servers. Between the MySQL servers and the application. Colocated on the application servers themselves. Without going through too much detail, each has its own limitations. In the first form, the application needs to know about all MySQL servers at any given point in time.
The Netflix TechBlog
OCTOBER 15, 2019
No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service.
MachMetrics
NOVEMBER 30, 2018
Native (No Traffic Shaping). These are especially handy when you’re running tests meant for mobile – be sure to choose one of the three mobile connections speeds so you can best simulate the real load time of your mobile traffic.
The Netflix TechBlog
JUNE 4, 2019
One specific Titus middleware service serving the Netflix streaming service saw a capacity reduction of 13% (a decrease of more than 1000 containers) needed at peak traffic to serve the same load with the required P99 latency SLA!
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