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Matching Supply With Demand — Solutions, Part 3

SQL Performance

1 D 5.000000 2 D 3.000000 3 D 8.000000 5 D 2.000000 6 D 8.000000 7 D 4.000000 8 D 2.000000 1000 S 8.000000 2000 S 6.000000 3000 S 2.000000 4000 S 2.000000 5000 S 4.000000 6000 S 3.000000 7000 S 2.000000. The idea to use a full outer join based on a predicate that compares the demand and supply running totals is a stroke of genius!

C++ 138
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When Do SQL Server Sorts Rewind?

SQL Performance

The Sort operator’s rewind behaviour may seem strange, but it has been this way from (at least) SQL Server 2000 to SQL Server 2019 inclusive (as well as Azure SQL Database). The post When Do SQL Server Sorts Rewind? History and my explanation. Perhaps you will find the information useful one day too.

Servers 106
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tempdb Enhancements in SQL Server 2019

SQL Performance

I have been making the same recommendations about tempdb since I started working with SQL Server over 15 years ago, when I was working with customers running version 2000. From the customer side, this has been the limit of what can be done*, until SQL Server 2019. I have SQL Server 2019 CTP 3.2 Now that 2019 CTP 3.2

Servers 95
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Edge Authentication and Token-Agnostic Identity Propagation

The Netflix TechBlog

Scale of the Netflix service was growing rapidly, with over 2000 device types supported. The API server orchestrates backend systems to authenticate the user. Critical identity data was being propagated throughout the server ecosystem in an inconsistent fashion. Zuul redirects the user call to the API /login endpoint.

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Stuff The Internet Says On Scalability For September 14th, 2018

High Scalability

72 : signals sensed from a distant galaxy using AI; 12M : reddit posts per month; 10 trillion : per day Google generated test inputs with 100s of servers for several months using OSS-Fuzz; 200% : growth in Cloud Native technologies used in production; $13 trillion : potential economic impact of AI by 2030; 1.8 They'll love you even more.

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Save Money in AWS RDS: Don’t Trust the Defaults

Percona

After some time of receiving these messages, eventually, they hit performance issues to the point that the server becomes unresponsive for a few minutes. The innodb_io_capacity_max parameter was set to 2000, so the hardware should be able to deliver that many IOPS without major issues. After that, things went back to normal.

AWS 125
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It’s time to migrate from NAM to Dynatrace

Dynatrace

It evolved from the simplest web server plugins to runtime Java profilers to real-time performance monitoring of all transactions flowing end to end through application servers. The market grew tremendously, fueled by the adoption of the Java platform as the application server standard. .” The AppMon wave.

Network 166