ACM Sigarch

DECEMBER 19, 2022

When I worked at Google, fleet-wide profiling revealed that 25-35% of all CPU time was spent just moving bytes around: memcpy, strcmp, copying between user and kernel buffers in network and disk I/O, hidden copy-on-write in soft page faults, checksumming, compressing, decrypting, assembling/disassembling packets and HTML pages, etc. If data movement were faster, more work could be done on the same processors.

Design 145

Design Systems Cache Network 145

Simform

DECEMBER 19, 2022

Testing in production helps you catch the bugs before the final version goes into production. Observability facilitates testing in production by providing full-stack visibility inside production and infrastructure. This article focuses on observability within testing and covers the impact of observability on testing in production and three testing phases.

Testing 59

Testing Infrastructure DevOps 59

Percona

DECEMBER 19, 2022

We are excited to announce the latest release of Percona Monitoring and Management (PMM) – V2.33. This release includes several new features and improvements that make PMM even more effective and user-friendly. Some of the key highlights of PMM V2.33 include: Offline metric collection during PMM server outages or loss of PMM client-server network connectivity.

Metrics 52

Metrics Monitoring Servers Open Source 52