Brendan Gregg

MARCH 16, 2024

It was also a virtual machine that lacked low-level hardware profiling capabilities, so I wasn't able to do cycle analysis to confirm that the 10% was entirely frame pointer-based. AET (Archetectural Event Trace) : Another Intel thing. The actual overhead depends on your workload. Others have reported around 1% and around 2%.

Java 145

Java Cache Google Hardware 145

The Morning Paper

SEPTEMBER 27, 2020

Furthermore, as hardware and compiler optimisations rapidly evolve, it is challenging even for a knowledgeable developer to keep up. The authors develop a tool called FPSpy which they use to monitor the floating point operations of existing scientific applications. PARSEC is a set of benchmarks for multi-threaded programs.

Benchmarking 101

Benchmarking Hardware Programming Code 101

Dynatrace

NOVEMBER 22, 2022

Five-nines availability: The ultimate benchmark of system availability. Traditionally, teams achieve this high level of uptime using a combination of high-capacity hardware, system redundancy, and failover models. Integrate infrastructure monitoring on a single AIOps platform. But is five nines availability attainable?

Infrastructure 182

Infrastructure Availability Systems Retail 182

Dynatrace

NOVEMBER 11, 2020

Dynatrace OneAgent deployment and life-cycle management are already widely considered to be industry benchmarks for reliability and efficiency. Deployment performs the whole rollout, instrumentation, configuration, connection, and automatic detection of monitored entities in your environment.

Best Practices 196

Best Practices Storage Java Benchmarking 196

Percona

AUGUST 22, 2023

High availability refers to the continuous operation of a database system with little to no interruption to end users in the event of system failures, power outages, or other disruptions. Failure detection: Monitoring mechanisms detect failures or issues that could lead to failures. What does high availability mean?

Availability 80

Availability Hardware Open Source Database 80

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Failure detection : Monitoring mechanisms detect failures or issues that could lead to failures.

Availability 111

Availability Database Open Source Hardware 111

Percona

AUGUST 30, 2018

Because recognizing if the workload is read intensive or write intensive will impact your hardware choices, database configuration as well as what techniques you can apply for performance optimization and scalability. You can also choose to look at event counts or at the time it takes to do operations.

Benchmarking 47

Benchmarking Database Operating System Architecture 47

Alex Russell

OCTOBER 22, 2017

Budgets are scaled to a benchmark network & device. Tools and CI systems help them monitor progress & prevent regressions. Deciding what benchmark to use for a performance budget is crucial. Simulated packet loss and variable latency, however, can make benchmarking extremely difficult and slow. 400Kbps transfer.

Performance 68

Performance Benchmarking Network Mobile 68

John McCalpin

JANUARY 22, 2018

Hardware performance counter results for a simple benchmark code calling Intel’s optimized DGEMM implementation for this processor (from the Intel MKL library) show that about 20% of the dynamic instruction count consists of instructions that are not packed SIMD operations (i.e., addl $1, %eax vfmadd213pd %zmm16, %zmm17, %zmm29.

Latency 40

Latency Hardware Code Testing 40

SQL Server According to Bob

JANUARY 11, 2020

url=/library/en-us/fileio/fs/file_streams.asp ) Harden or Hardening To ​​ harden ​​ is to require ​​ that ​​ data be stored on stable media during a specific event; the data is not ​​ just ​​ in a cache that could be lost if power was lost.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 11, 2021

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Good for raising alarms and monitoring changes over time, not so good for understanding user experience. Vitaly Friedman.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. Getting Ready: Planning And Metrics.

Performance 145

Performance Cache Network Metrics 145

High Scalability

NOVEMBER 25, 2019

CFS(cloud file system), EOS (Egnyte object store), Content Security, Event Sync, Search Service, User behavior based recommendation service form major parts of the system. We use event-based sync in our desktop sync client code, as server events are happening they get pushed to the client from server and the client replays them locally.

Architecture 52

Architecture Cache Azure Storage 52