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Monitoring Distributed Systems

Dotcom-Montior

By definition, a distributed system is any system that comprises of multiple components on variety of machines that work together to appear as a single, organized system. Although the definition may seem straightforward, in the real-world, a distributed system is one of the most complex environments to understand, manage, and monitor.

Systems 74
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Under the Hood of Amazon EC2 Container Service

All Things Distributed

A cluster is just a pool of compute resources available to a customer’s applications. The agent is written in Go, has a minimal footprint, and is available on GitHub under an Apache license. This architecture affords Amazon ECS high availability, low latency, and high throughput because the data store is never pessimistically locked.

Latency 166
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Software-defined far memory in warehouse scale computers

The Morning Paper

This boils down to a single digit µs latency toleration in the tail for far memory, and in addition to security and privacy concerns, rules out remote memory solutions. Zswap is readily available and runs as a swap device in the Linux kernel. Google use zswap to implement their far memory tier.

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HTTP/3: Performance Improvements (Part 2)

Smashing Magazine

Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server). Two-way latency is often called round-trip time (RTT).

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The Performance Inequality Gap, 2024

Alex Russell

This split decision was available via last year's update , but was somewhat buried. HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. Going forward, I'll produce both as top-line guidance. In the U.S., This nets out to 2.32

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Embrace event-driven computing: Amazon expands DynamoDB with streams, cross-region replication, and database triggers

All Things Distributed

In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database. At launch, an item’s change record is available in the stream for 24 hours after it is created. DynamoDB Cross-region Replication. DynamoDB Triggers.

Database 167
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SRE Incident Management: Overview, Techniques, and Tools

Dotcom-Montior

By ITIL definition, the service desk may take the form of incident resolution or service requests, but whatever the case, the primary goal of the service desk to provide quick and efficient service. Software services still require physical devices and hardware for them to function. Asset Management.