Format Stiker Undangan 103
Format Stiker Undangan 103. Dr. Faiza brings a wealth of knowledge and experience to the table, with qualifications including MBBS, FCPS in Physiology, and multiple postgraduate degrees in public health and healthcare education. The lecture begins by laying the groundwork with basic concepts, explaining the definitions of ventilation (V˙) and perfusion (Q˙), and highlighting the significance of the ventilation-perfusion ratio (V˙/Q˙). Dr. Faiza provides a detailed comparison of alveolar gas concentrations in these varying scenarios, offering a clear understanding of the physiological changes that occur.
Dr. Faiza analyzes how these variations affect pulmonary function and discusses the abnormal V˙/Q˙ ratios seen in chronic obstructive lung disease (COPD) and their clinical implications. The lecture emphasizes the importance of understanding these concepts for medical professionals and students, highlighting their relevance in diagnosing and managing respiratory conditions. Participants will gain a deep understanding of how ventilation and perfusion work together to optimize gas exchange in the lungs and how deviations from the norm can lead to significant clinical issues.
Lampiran sultra
How We Added Replication to QuestDB - JonTheBeach javier ramirez. Building a database that can beat industry benchmarks is hard work, and we had to use every trick in the book to keep as close to the hardware as possible.
In doing so, we initially decided QuestDB would scale only vertically, on a single instance. A few years later, data replication —for horizontally scaling reads and for high availability— became one of the most demanded features, especially for enterprise and cloud environments.
So, we rolled up our sleeves and made it happen. Today, QuestDB supports an unbounded number of geographically distributed read-replicas without slowing down reads on the primary node, which can ingest data at over 4 million rows per second.
In this talk, I will tell you about the technical decisions we made, and their trade offs. You'll learn how we had to revamp the whole ingestion layer, and how we actually made the primary faster than before when we added multi-threaded Write Ahead Logs to deal with data replication. I'll also discuss how we are leveraging object storage as a central part of the process. And of course, I'll show you a live demo of high-performance multi-region replication in action.