Brendan Gregg

SEPTEMBER 5, 2021

A microservice team asked me for help with a mysterious issue. They claimed that the ZFS file system was consuming 30% of CPU capacity. I summarized this case study at [Kernel Recipes] in 2017 and have shared the full story here. ## 1. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI).

Cache 145

Cache Cloud Java Code 145

Percona Community

SEPTEMBER 5, 2021

With all the DBaaS, IaaS and PaaS environments, sometimes I think the Art of MySQL initialization is becoming a lost art. Many times we just delete the MySQL Server and order a new one. Just recently I was talking with a colleague, and this subject came up. We both thought about it and decided we have become spoiled by automation. We were both rusty on this process.

Servers 57

Servers Database Processing 57

Brendan Gregg

SEPTEMBER 5, 2021

A microservice team asked me for help with a mysterious issue. They claimed that the ZFS file system was consuming 30% of CPU capacity. I summarized this case study at Kernel Recipes in 2017; it is an old story that's worth resharing here. 1. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI).

Cache 52

Cache Cloud Tuning Java 52

Brendan Gregg

SEPTEMBER 5, 2021

A microservice team asked me for help with a mysterious issue. They claimed that the ZFS file system was consuming 30% of CPU capacity. I summarized this case study at [Kernel Recipes] in 2017; it is an old story that's worth resharing here. ## 1. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI).

Cache 40

Cache Cloud Tuning Java 40