Ops & support industry questions, pay, benefits and experience · ZIWM

Public Ops & support industry questions, pay and benefits, career topics, and experience posts.

ZIWM · Latest public discussions in Ops & support

  1. production DNS cutover checklist for small teams

    tech-ops-support

    DNS cutovers always sound simpler in the planning meeting than they feel during the actual window. Change the record, wait for propagation, watch traffic move. In practice, one cached resolver, one forgotten subdomain, …

    2026-06-05T13:28:56.616Z

  2. How to reduce alert fatigue without missing real incidents

    tech-ops-support

    Alert fatigue does not start when there are too many alerts. It starts when the team stops trusting them. I have seen a pretty dashboard still fail the on-call person because every warning had the same urgency. Disk at …

    2026-06-04T17:51:11.596Z

  3. How we handled a database migration without downtime

    tech-ops-support

    The migration looked small on paper: add a few columns, backfill old records, then switch the application to read the new shape. The risk was that the table was hot all day and the old worker code would still be running…

    2026-06-04T21:47:29.712Z

  4. What I check before blaming Kubernetes

    tech-ops-support

    Most on-call pages are not Kubernetes being mysterious. A lot of the time it is a config change, a secret that rotated, a node under disk pressure, or a service talking to the wrong dependency. My quick order is logs fi…

    2026-06-03T15:57:01.191Z