Miles Garnsey
Miles Garnsey
**What happened?** There are unexpected behaviours when the ImageConfig ConfigMap is updated at runtime. For example: 1. The ConfigMap is not polled/watched by the operator, which means the operator's pod...
**What is missing?** The heap size in the Cassandra container does not currently scale in response to changes to the memory limits set by the container runtime. This means that...
**What is missing?** K8ssandra operator now has an `Image` struct which is a structured API for setting image configurations (including the ability to specify different docker credentials for each image)....
It might prove profitable to do a full review of the errors returned by the management API. At present most errors returned tend to be 500s, with no error message...
At present, when Cassandra produces metrics, they are added to MCAC via a push model. MCAC then writes the metrics out into files for consumption by collectd. This leaves MCAC...
Collectd acts as a metrics resevoir and serves metrics to Prometheus via json on an exposed port. The number of metrics stored in collectd appears to be governed by two...
There are various places where data is handed off between system components. These include: 1. Metrics being pushed into collectd's netty channel. 2. The netty channel writing out files onto...
When using MCAC's ServiceMonitor configuration I'm observing a lot of metrics popping up of the form collectd_mcac_micros_bucket_RANDOM_DIGITS. I'm curious what these are, and whether they correspond to any meaningful metrics?...
I'm interested in trying out Quarkus in Scala 3 and am hitting a build issue. I'm using the [gradle build referenced](https://github.com/gradle/gradle/pull/18001#issuecomment-914152463) in the PR that the [README](https://github.com/quarkiverse/quarkus-scala3#gradle) mentions, so I...
**Problem description** We commonly advise clients to change settings like read-ahead, as well as other things which reside in the `/sys/block//queue` sysfs location. It is tricky to determine how to...