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SQL Server On Linux: Forced Unit Access (Fua) Internals

SQL Server According to Bob

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. “.

Servers 90
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Serverless at re:Invent 2017

The Symphonia

Traffic shaping / canary deployment was pre-announced at Serverless Conf NYC in October, and this is now available. Like Lambda, API Gateway now supports canary deployment / traffic shaping. A much bigger update is the new integration with CodeDeploy to support Traffic Shaping and Canary Releases. without web app servers?—?to

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A Tutorial on MongoDB Sharding With Best Practices & When To Enable It

Percona

This blog was originally published in October 2017 and was updated in September 2023. Sharding in MongoDB is a technique used to distribute a database horizontally across multiple nodes or servers, known as “shards.” MongoDB distributes data across these shard servers to ensure an even distribution.

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Solaris to Linux Migration 2017

Brendan Gregg

Oracle VM Server is based on Xen. I came up with a great demo where I could break Solaris 9 and 10 servers in the same way, then demonstrate how it would take an hour and a reboot cycle to fix Solaris 9, but minutes and no reboot to fix Solaris 10. amazon"). I also wrote and published an entertaining SMF manifest that played music.

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SQL Mysteries: SQL Server Login Timeouts – A Debugging Story

SQL Server According to Bob

. · 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. Server is a Superdome with lots of CPUs and RAM. Here is an example of a valid SQL Server login.

Servers 40
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Notes on: Married to HTTP/3

Tim Kadlec

HTTP/3 work started in 2012 with Google working on QUIC, adopted by IETF in 2017, RFC’s published in June 2022. No server push! Scalemates.com flipped the switch to enable HTTP/3 and almost immediately HTTP/3 traffic rose to ~13% of all requests on the landing page, ~49% for all pages in total. Here are my notes.

Network 64
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Ciao Milano! – An AWS Region is coming to Italy!

All Things Distributed

Since then, AWS has added another PoP in Palermo in 2017. The website went online in less than one month and was able to support a 250 percent increase in traffic around the launch of the Aventador J. To meet such large traffic numbers, they need a technology infrastructure that is secure, reliable, and flexible.

AWS 167