2017 Benchmarking Latency Systems 
Brendan Gregg
SEPTEMBER 25, 2021
A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results. Try changing the kernel clocksource.
The Netflix TechBlog
OCTOBER 19, 2020
which is difficult when troubleshooting distributed systems. If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls.
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The Morning Paper
NOVEMBER 8, 2020
Back in 2017 the engineering team at Facebook had a problem. While ultimately this new system should be able to take advantage of the latest advances in consensus for improved performance, that’s not realistic given a 6-9 month in-production target. replacing Paxos with Raft), or they could be shims over external storage systems.
Alex Russell
MARCH 6, 2021
TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. To update our global baseline from 2017, we want to update our priors on a few dimensions: The evolved device landscape. The Moto G4 , for example. Here begins our 2021 adventure. Hard Reset.
Brendan Gregg
SEPTEMBER 25, 2021
A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results. Try changing the kernel clocksource.
Alex Russell
JANUARY 30, 2024
If you or your company are able to generate a credible worldwide latency estimate in the higher percentiles for next year's update, please get in touch. So what did $650, give or take, buy in late 2017 or early 2018? was a system properly localised? but which blessedly sports 8GB of RAM. Equally advertised?),
SQL Performance
APRIL 8, 2019
Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. I wrote about using CPU-Z to benchmark the Intel Xeon E5-2673 v3 processor in an Azure VM in this article. Figure 1: CPU-Z Benchmark Results for LS16v2. Memory (GiB).
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