Unlimited Design & Technology

All Posts By admin

June 8, 2023 - Reliability and Operations

Plan capacity around workload rather than headline users

A registered-user total is a weak capacity specification. Describe the work people and automated tasks create, test representative bursts, and define the service boundary that matters before approving a larger operating budget.

Read More

May 18, 2023 - Reliability and Operations

Define health checks that reflect real service readiness

A responding process may still be unable to serve useful requests. Separate startup, liveness, and readiness decisions, then test dependency failures and recovery behavior before using health checks to control traffic.

Read More

April 23, 2023 - Reliability and Operations

Manage secrets without putting them in deployment logs

A deployment log should explain what happened without becoming a second store of credentials. Review the entire secret path, distinguish audit metadata from secret values, and prepare a response for accidental disclosure.

Read More

March 25, 2023 - Reliability and Operations

Review configuration drift before changing application code

An unchanged application can behave differently after its operating settings change. Compare intended configuration with effective settings, classify approved exceptions, and test a narrow explanation before committing to an application rewrite.

Read More

February 13, 2023 - Reliability and Operations

Separate logs metrics and traces during diagnosis

Collecting more telemetry does not automatically answer a diagnostic question. Assign logs, metrics, and traces distinct jobs, connect their context, and choose evidence that helps explain the customer symptom without unnecessary sensitive data.

Read More

January 18, 2023 - Reliability and Operations

Create alerts with an owner and a response

An alert deserves attention only when someone can make a useful decision. Connect each notification to customer impact, a responsible role, an escalation path, and a response that can be rehearsed.

Read More

December 8, 2022 - Reliability and Operations

Set service objectives around user-visible behavior

Server availability alone does not describe whether customers can finish important work. Define a service objective with an observable outcome, a precise population, an evaluation window, and a decision when performance falls short.

Read More

November 11, 2022 - Reliability and Operations

Write incident runbooks that a teammate can follow

A useful incident runbook helps someone other than its author make safe decisions. Define entry conditions, observable results, escalation boundaries, and a rehearsal that exposes missing context before an actual disruption.

Read More

October 12, 2022 - Reliability and Operations

Verify backups by restoring usable business data

A completed backup job does not answer whether staff can resume work. Define a recovery exercise that checks business records, application access, dependencies, and the time needed to return a usable service.

Read More

September 7, 2022 - Data and Business Systems

Make business dashboards show ownership and next actions

A business dashboard should help someone act, not merely observe colored totals. Connect each signal to an accountable owner, an explainable population, a safe next action, and a visible freshness limit so teams know what to do.

Read More
Zalo