disk-access – Tarik Billa

How can I determine the current ephemeral-storage usage of a running Kubernetes pod?

December 28, 2023 by Tarik

You can do this through the raw command. kubectl get –raw “/api/v1/nodes/(your-node-name)/proxy/stats/summary” There is also this kubectl get –raw “/api/v1/nodes/(your-node-name)/proxy/metrics/cadvisor”” EDIT: I’ve created a Prometheus exporter for this now. https://github.com/jmcgrath207/k8s-ephemeral-storage-metrics

Does a varchar field’s declared size have any impact in PostgreSQL?

May 13, 2023 by Tarik

They are identical. From the PostgreSQL documentation: http://www.postgresql.org/docs/8.3/static/datatype-character.html Tip: There are no performance differences between these three types, apart from increased storage size when using the blank-padded type, and a few extra cycles to check the length when storing into a length-constrained column. While character(n) has performance advantages in some other database systems, it has … Read more