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The Ultimate Guide to Database High Availability

Percona

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. How does high availability work?

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Faster remainders when the divisor is a constant: beating compilers and libdivide

Daniel Lemire

The division by a power of two ( / (2 N )) can be implemented as a right shift if we are working with unsigned integers, which compiles to single instruction: that is possible because the underlying hardware uses a base 2. Of course, if d is not a power of two, 2 N / d cannot be represented as an integer. cycles per integer.

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Setting Up and Deploying PostgreSQL for High Availability

Percona

With the average cost of unplanned downtime running from $300,000 to $500,000 per hour , businesses are increasingly using high availability (HA) technologies to maximize application uptime. Where a high availability design once worked well, it can no longer keep up with more complex requirements. there cannot be high availability.

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The Three Types of Performance Testing

CSS Wizardry

The short answers are, of course ‘all the time’ and ‘everyone’, but this mutual disownership is a common reason why performance often gets overlooked. Of course, it is impossible to fix (or even find) every performance issue during the development phase. Each have their own time, place, purpose, focus, and audience. Who: Engineers.

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60 seconds to self-upgrading observability on Google Kubernetes Engine

Dynatrace

A decade ago, while working for a large hosting provider, I led a team that was thrown into turmoil over the purchasing of server and storage hardware in preparation for a multi-million dollar super-bowl ad campaign. The data had to be painstakingly stitched together over the course of a few weeks, across each layer of our stack.

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Install private Synthetic monitoring locations on Linux faster with the new automated workflow

Dynatrace

Synthetic monitoring locations execute browser and HTTP monitors from within your own infrastructure and answer questions about the availability of applications (internal and external) from the perspective of specific points of interest such as branch offices. Dynatrace news. In the near future, you can also expect support for: Ubuntu 18.

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Achieving 100Gbps intrusion prevention on a single server

The Morning Paper

Options 1 and 2 are of course the ‘scale out’ options, whereas option 3 is ‘scale up’. So we need low latency, but we also need very high throughput: A recurring theme in IDS/IPS literature is the gap between the workloads they need to handle and the capabilities of existing hardware/software implementations.

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