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Kubernetes in the wild report 2023

Dynatrace

As Kubernetes adoption increases and it continues to advance technologically, Kubernetes has emerged as the “operating system” of the cloud. Kubernetes is emerging as the “operating system” of the cloud. Kubernetes is emerging as the “operating system” of the cloud. Kubernetes moved to the cloud in 2022.

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Predictive CPU isolation of containers at Netflix

The Netflix TechBlog

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. This avoids thrashing caches too much for B and evens out the pressure on the L3 caches of the machine.

Cache 251
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Taskbar Latency and Kernel Calls

Randon ASCII

The first signal is the input events. UIforETW contains an integrated input logger (anonymized enough so that I don’t accidentally steal passwords or personal information) so I could just drill down to the MouseUp events with a Button Type of 2, which represents the right mouse button. That is an average read of 68 bytes each time.

Latency 79
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PostgreSQL Indexes Can Hurt You: Negative Effects and the Costs Involved

Percona

The more indexes, the more the requirement of memory for effective caching. If we don’t increase the available memory, this starts hurting the entire performance of the system. Indexes need more cache than tables Due to random writes and reads, indexes need more pages to be in the cache.

Tuning 125
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How Improving Website Performance Can Help Save The Planet

Smashing Magazine

The vast majority of climate scientists attribute the increasing ferocity and frequency of extreme weather events around the world to climate change, which they largely attribute to human activity. I predominantly use Nginx, and I have a particular fondness for FastCGI cache and have found it to be especially efficient.

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SQL Server On Linux: Forced Unit Access (Fua) Internals

SQL Server According to Bob

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. The “forced flush” changes in SQL Server avoid flushes, when possible, in order to improve performance on non-optimized Fua file systems. Linux open command flag used to bypass file system cache.

Servers 90
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HammerDB for Managers

HammerDB

HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. Cached vs Scaled Workloads. A key difference between cached and scaled workloads is the implementation of keying and thinking time to introduce a pause of time between transactions. Why HammerDB was developed.