Tue.Dec 19, 2023

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Congestion Control in Cloud Scale Distributed Systems

DZone

Distributed systems are composed of multiple systems that are wired together to provide a specific functionality. Systems that operate at a cloud scale can get expected or unexpected surges of traffic from one or multiple callers and are expected to perform in a predictable manner. This article analyzes the effects of traffic surges on a distributed system.

Systems 290
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Setting Up Percona Monitoring and Management Alerts for External Channels (Telegram, Slack, WebHook)

Percona

Setting up Percona Monitoring and Management (PMM) alerts for multiple channels can significantly enhance your monitoring strategy. In this blog post, we will talk about the steps to configure alerts for some well-known communication platforms like Telegram , Slack , and WebHook. Please note that I am not covering the basic alerting and configuration setup.

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How to automatically performance test your pull requests and fight regressions

Speed Curve

As highlighted in our December product update , we've been making a lot of improvements in the area of CI/CD. In addition to the new Deployments dashboards and Notes updates, we've launched a new GitHub integration. Our purpose in building this integration is to lower the barrier for getting web performance feedback for your code changes, directly in the environment you are working in.

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Using the Transparent Data Encryption Extension PG_TDE With PostgreSQL

Percona

PG_TDE (PostgreSQL Transparent Data Encryption) is an experimental transparent data encryption access method for PostgreSQL 16, available on GitHub as an extension for vanilla PostgreSQL. Since our previous blog post, Adding Transparent Data Encryption to PostgreSQL with pg_tde: Please Test , it received new features such as TOAST data encryption and HashiCorp Vault support for key storage.

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The evolution of single-core bandwidth in multicore systems — update

John McCalpin

In April 2023 I posted some results and comments The evolution of single-core bandwidth in multicore processors illustrating the (slow) growth in single-core memory bandwidth over time in Intel and AMD multicore processors. Here is an update to the summary chart, adding the AMD EPYC 4 (“Genoa”) processors. Genoa delivers about 40% higher single-core read bandwidth than the EPYC 3 “Milan” processors, giving AMD about a 2x advantage over the Intel “Sapphire Rapids

Systems 52