INDUSTRY INSIGHTS YOUR PEERS ARE READING
Dynatrace news. In software, observability refers to telemetry produced by services. Observability is divided into three major verticals—metrics, logs, and distributed traces—the so-called three pillars of observability. MORE
Intro. As most of you know, Couchbase is a database that provides users with a range of consistency and fault tolerance options to ensure that the state of their data meets certain criteria or guarantees. MORE
Yesterday someone at Shopify let me know on Twitter that they started reducing page weight if the Save-Data header is on. tkadlec [link] is now Save-Data aware. About a 13% reduction in page weight, [link]. Early data shows 20% of Indian/Brazilian requests contain this header so happy days #webperf ??. I love seeing companies paying attention to the Save-Data header. MORE
Because we know that all people with battery-powered devices are constantly concerned about their battery levels, and that websites are significant consumers of that battery power, we should probably think about this stuff a lot more than we do. MORE
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. In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment. Managing High Availability in PostgreSQL – Part I: PostgreSQL Automatic Failover. MORE
I briefly mentioned that batch mode data is normalized in my last article Batch Mode Bitmaps in SQL Server. All data in a batch is represented by an eight-byte value in this particular normalized format, regardless of the underlying data type. MORE
Soon your automation will be running at top speed! When it comes to automated website testing, one extremely important parameter is the intellect gathered from the output of your automation test execution i.e. the number of bugs reported, percentage of pass/failed test cases, test coverage, etc. MORE
Readable code is usable code. The world’s greatest chefs never put anything on the plate that will never be eaten, this rule corresponds to the YAGNI principle in Software Engineering. MORE
After yesterday’s post , someone on Twitter expressed concern about providing a “degraded experience” to users who have Save-Data enabled. It’s far from the first time I’ve heard this concern expressed. MORE
Dynatrace news. Dynatrace Davis automatically analyzes abnormal situations within your IT infrastructure and reports all relevant impacts and root causes. MORE
Dynatrace news. It feels like just yesterday DevOps was all the rage, and everything had to be “Cloud” in order to be modern. These days, most organizations have embraced the benefits of DevOps and are running one or more of their applications on somebody else’s computer. MORE
Declarative recursive computation on an RDBMS… or, why you should use a database for distributed machine learing Jankov et al., VLDB’19. MORE
Procella: unifying serving and analytical data at YouTube Chattopadhyay et al., VLDB’19. Academic papers aren’t usually set to music, but if they were the chorus of Queen’s “I want it all (and I want it now…)” seems appropriate here. MORE
SLOG: serializable, low-latency, geo-replicated transactions Ren et al., VLDB’19. SLOG is another research system motivated by the needs of the application developer (aka, user!). Building correct applications is much easier when the system provides strict serializability guarantees. MORE
Who's Hiring? Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Make your job search O (1), not O ( n ). Apply here. Need excellent people? Advertise your job here! Cool Products and Services. Grokking the System Design Interview is a popular course on Educative.io (taken by 20,000+ people) that's widely considered the best System Design interview resource on the Internet. MORE
Previous posts have discussed partitioning, for example, a partitioned memory object [link] and how a latch maintains the desired access (exclusive, shared, …) [link]. Quick Refresher Over Partitioned Protection/Locking. MORE
Dynatrace news. I’m going to revisit the Dynatrace digital transformation in this blog, because it is also an excellent story that began our journey to Autonomous Cloud Management (ACM). MORE
I work quickly on my computer and I get frustrated when I am forced to wait on an operation that should be fast. A persistent nuisance on my over-powered home laptop is that closing windows on the taskbar is slow. I right-click on an entry, wait for the menu to appear, and then select “Close window”. MORE
Innovation has always been part of the Amazon DNA, but about 20 years ago, we went through a radical transformation with the goal of making our iterative process—" invent, launch, reinvent, relaunch, start over, rinse, repeat, again and again "—even faster. MORE
Dynatrace news. I love data. I have spent virtually my entire career looking at data. Synthetic data, network data, system data, and the list goes on. MORE
The demand for content is at an all-time high. According to the International Data Corporation , the digital universe is doubling in size every two years and is expected to reach 44 trillion gigabytes by 2020. MORE
Dynatrace news. Over the last few weeks, the Dynatrace team from across the Asia-Pacific region has been on the road as part of the exhilarating Dynatrace PerformGo! World Tour. MORE
Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. Depending on how it is configured, Redis can act like a database, a cache or a message broker. It’s important to note that Redis is a NoSQL database system. MORE
Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users. But first, he starts by talking about the overwhelming positive news about it: [.] as it matures 5G is predicted to improve network speeds dramatically. MORE
Many development teams won't attempt to create features and automate the tests for those features within the same sprint, since these two development activities together can easily take up the entire two-week sprint. MORE
This article is the fifth part in a series about T-SQL bugs, pitfalls and best practices. Previously I covered determinism , subqueries , joins and windowing. This month I cover pivoting and unpivoting. MORE
PostgreSQL graphical user interface (GUI) tools help these open source database users to manage, manipulate, and visualize their data. In this post, we discuss the top 5 GUI tools for administering your PostgreSQL deployments. MORE
Dynatrace news. I was fortunate enough to get invited to our PerformGo! APAC Series. MORE
Running speed tests with tools like Google PageSpeed Insights , WebPageTest , or KeyCDN’s Website Speed Test are always a good way to help gauge your website’s performance. While these metrics can be very helpful it is also important to keep this data in perspective. MORE
Dynatrace news. The path to Autonomous Cloud Management (ACM) and NoOps is a transformational journey that reaches all parts of an organization. It fundamentally changes how teams and tools work together with a common goal: deliver software faster, more frequently and with a higher degree of quality. MORE
Introduction. These days, our code frequently has to reach out to a remote server as part of its job, usually consuming an API or some other service. Frequently, our code communicates with these remote services in a RESTful manner. java server performance spring rest http junit mocking frameworks MORE
A customer who is visiting your website from Google Chrome may have a different user experience than a customer who is visiting your website from Safari, Mozilla Firefox, or any other browser. But wait, there is more! MORE
An example of a Data Grid. It is hard to imagine a modern web app that does not involve a data grid component to display and filter the data. MORE
Toby Mao , Sri Sri Perangur , Colin McFarland Another day, another custom script to analyze an A/B test. Maybe you’ve done this before and have an old script lying around. If it’s new, it’s probably going to take some time to set up, right? Not at Netflix. MORE
Choosing a cloud DBMS: architectures and tradeoffs Tan et al., VLDB’19. If you’re moving an OLAP workload to the cloud (AWS in the context of this paper), what DBMS setup should you go with? MORE
Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. MORE
Updating graph databases with Cypher Green et al., VLDB’19. This is the story of a great collaboration between academia, industry, and users of the Cypher graph querying language as created by Neo4j. MORE
In today’s digital world, for every business, mobile applications continue to be the major source of digital connectivity with their customers. Primarily, these mobile apps become vital part and businesses have less than a second’s time to impress users. MORE
Dynatrace
SEPTEMBER 16, 2019
Dynatrace news. The path to Autonomous Cloud Management (ACM) and NoOps is a transformational journey that reaches all parts of an organization. It fundamentally changes how teams and tools work together with a common goal: deliver software faster, more frequently and with a higher degree of quality.
Scalegrid
SEPTEMBER 16, 2019
PostgreSQL graphical user interface (GUI) tools help these open source database users to manage, manipulate, and visualize their data. In this post, we discuss the top 5 GUI tools for administering your PostgreSQL deployments.
The Netflix TechBlog
SEPTEMBER 10, 2019
Toby Mao , Sri Sri Perangur , Colin McFarland Another day, another custom script to analyze an A/B test. Maybe you’ve done this before and have an old script lying around. If it’s new, it’s probably going to take some time to set up, right? Not at Netflix.
DZone
SEPTEMBER 4, 2019
An example of a Data Grid. It is hard to imagine a modern web app that does not involve a data grid component to display and filter the data.
CSS - Tricks
SEPTEMBER 18, 2019
Because we know that all people with battery-powered devices are constantly concerned about their battery levels, and that websites are significant consumers of that battery power, we should probably think about this stuff a lot more than we do.
Dynatrace
SEPTEMBER 9, 2019
Dynatrace news. I love data. I have spent virtually my entire career looking at data. Synthetic data, network data, system data, and the list goes on.
Tim Kadlec
AUGUST 30, 2019
After yesterday’s post , someone on Twitter expressed concern about providing a “degraded experience” to users who have Save-Data enabled. It’s far from the first time I’ve heard this concern expressed.
Technology Performance Pulse brings together the best content for technology performance professionals from the widest variety of industry thought leaders.
Scalegrid
AUGUST 30, 2019
Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. Depending on how it is configured, Redis can act like a database, a cache or a message broker. It’s important to note that Redis is a NoSQL database system.
SQL Server According to Bob
SEPTEMBER 9, 2019
Previous posts have discussed partitioning, for example, a partitioned memory object [link] and how a latch maintains the desired access (exclusive, shared, …) [link]. Quick Refresher Over Partitioned Protection/Locking.
Dynatrace
SEPTEMBER 12, 2019
Dynatrace news. I’m going to revisit the Dynatrace digital transformation in this blog, because it is also an excellent story that began our journey to Autonomous Cloud Management (ACM).
CSS - Tricks
SEPTEMBER 16, 2019
Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users. But first, he starts by talking about the overwhelming positive news about it: [.] as it matures 5G is predicted to improve network speeds dramatically.
DZone
SEPTEMBER 5, 2019
In today’s digital world, for every business, mobile applications continue to be the major source of digital connectivity with their customers. Primarily, these mobile apps become vital part and businesses have less than a second’s time to impress users.
Rigor
SEPTEMBER 11, 2019
Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning.
High Scalability
SEPTEMBER 16, 2019
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. In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment. Managing High Availability in PostgreSQL – Part I: PostgreSQL Automatic Failover.
Dynatrace
SEPTEMBER 4, 2019
Dynatrace news. Dynatrace Davis automatically analyzes abnormal situations within your IT infrastructure and reports all relevant impacts and root causes.
The Morning Paper
SEPTEMBER 10, 2019
Procella: unifying serving and analytical data at YouTube Chattopadhyay et al., VLDB’19. Academic papers aren’t usually set to music, but if they were the chorus of Queen’s “I want it all (and I want it now…)” seems appropriate here.
DZone
AUGUST 28, 2019
Introduction. These days, our code frequently has to reach out to a remote server as part of its job, usually consuming an API or some other service. Frequently, our code communicates with these remote services in a RESTful manner. java server performance spring rest http junit mocking frameworks
SQL Performance
SEPTEMBER 12, 2019
This article is the fifth part in a series about T-SQL bugs, pitfalls and best practices. Previously I covered determinism , subqueries , joins and windowing. This month I cover pivoting and unpivoting.
Randon ASCII
SEPTEMBER 8, 2019
I work quickly on my computer and I get frustrated when I am forced to wait on an operation that should be fast. A persistent nuisance on my over-powered home laptop is that closing windows on the taskbar is slow. I right-click on an entry, wait for the menu to appear, and then select “Close window”.
Dynatrace
AUGUST 28, 2019
Dynatrace news. In software, observability refers to telemetry produced by services. Observability is divided into three major verticals—metrics, logs, and distributed traces—the so-called three pillars of observability.
The Morning Paper
AUGUST 29, 2019
Choosing a cloud DBMS: architectures and tradeoffs Tan et al., VLDB’19. If you’re moving an OLAP workload to the cloud (AWS in the context of this paper), what DBMS setup should you go with?
DZone
SEPTEMBER 13, 2019
Readable code is usable code. The world’s greatest chefs never put anything on the plate that will never be eaten, this rule corresponds to the YAGNI principle in Software Engineering.
High Scalability
SEPTEMBER 17, 2019
Who's Hiring? Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Make your job search O (1), not O ( n ). Apply here. Need excellent people? Advertise your job here! Cool Products and Services. Grokking the System Design Interview is a popular course on Educative.io (taken by 20,000+ people) that's widely considered the best System Design interview resource on the Internet.
SQL Performance
SEPTEMBER 5, 2019
I briefly mentioned that batch mode data is normalized in my last article Batch Mode Bitmaps in SQL Server. All data in a batch is represented by an eight-byte value in this particular normalized format, regardless of the underlying data type.
Dynatrace
AUGUST 29, 2019
Dynatrace news. It feels like just yesterday DevOps was all the rage, and everything had to be “Cloud” in order to be modern. These days, most organizations have embraced the benefits of DevOps and are running one or more of their applications on somebody else’s computer.
The Morning Paper
SEPTEMBER 17, 2019
Updating graph databases with Cypher Green et al., VLDB’19. This is the story of a great collaboration between academia, industry, and users of the Cypher graph querying language as created by Neo4j.
DZone
AUGUST 29, 2019
Intro. As most of you know, Couchbase is a database that provides users with a range of consistency and fault tolerance options to ensure that the state of their data meets certain criteria or guarantees.
KeyCDN
AUGUST 29, 2019
Running speed tests with tools like Google PageSpeed Insights , WebPageTest , or KeyCDN’s Website Speed Test are always a good way to help gauge your website’s performance. While these metrics can be very helpful it is also important to keep this data in perspective.
All Things Distributed
AUGUST 28, 2019
Innovation has always been part of the Amazon DNA, but about 20 years ago, we went through a radical transformation with the goal of making our iterative process—" invent, launch, reinvent, relaunch, start over, rinse, repeat, again and again "—even faster.
Dynatrace
AUGUST 30, 2019
Dynatrace news. I was fortunate enough to get invited to our PerformGo! APAC Series.
The Morning Paper
SEPTEMBER 3, 2019
SLOG: serializable, low-latency, geo-replicated transactions Ren et al., VLDB’19. SLOG is another research system motivated by the needs of the application developer (aka, user!). Building correct applications is much easier when the system provides strict serializability guarantees.
DZone
AUGUST 28, 2019
The demand for content is at an all-time high. According to the International Data Corporation , the digital universe is doubling in size every two years and is expected to reach 44 trillion gigabytes by 2020.
Tim Kadlec
AUGUST 29, 2019
Yesterday someone at Shopify let me know on Twitter that they started reducing page weight if the Save-Data header is on. tkadlec [link] is now Save-Data aware. About a 13% reduction in page weight, [link]. Early data shows 20% of Indian/Brazilian requests contain this header so happy days #webperf ??. I love seeing companies paying attention to the Save-Data header.
TechBeacon Testing
SEPTEMBER 12, 2019
Many development teams won't attempt to create features and automate the tests for those features within the same sprint, since these two development activities together can easily take up the entire two-week sprint.
Dynatrace
SEPTEMBER 18, 2019
Dynatrace news. Over the last few weeks, the Dynatrace team from across the Asia-Pacific region has been on the road as part of the exhilarating Dynatrace PerformGo! World Tour.
The Morning Paper
SEPTEMBER 12, 2019
Declarative recursive computation on an RDBMS… or, why you should use a database for distributed machine learing Jankov et al., VLDB’19.
DZone
SEPTEMBER 16, 2019
Soon your automation will be running at top speed! When it comes to automated website testing, one extremely important parameter is the intellect gathered from the output of your automation test execution i.e. the number of bugs reported, percentage of pass/failed test cases, test coverage, etc.
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