PostgreSQL Fillfactor: Space for Updates Has a Cost
Evaluate PostgreSQL fillfactor with update patterns, HOT eligibility, page-space tradeoffs, measured storage costs, and a controlled maintenance plan.
Hackbitez journal
Category: Software
Kubernetes StatefulSets: Identity Is Not Data Replication
Use Kubernetes StatefulSets with stable identity, explicit storage retention, supported update strategies, application quorum checks, and tested recovery.
Docker Volume Backups: Consistency Before a Tar Archive
Plan Docker volume backups with complete inventory, application-consistent capture, preserved metadata, protected archives, and isolated restore tests.
CloudFront Invalidation: Clear the Right Cache Layer
Use CloudFront invalidation with verified origin content, precise paths, completion checks, browser-cache awareness, and versioned assets for routine releases.
HTTP 202 Accepted: Track Work Beyond the First Response
Design HTTP 202 Accepted workflows with durable job identity, authorized status endpoints, idempotent submission, bounded polling, and explicit final outcomes.
Linux Flock: Cooperative Locking With Stable File Identity
Use Linux flock with stable lock-file identity, bounded acquisition, clear descriptor ownership, cooperative callers, and filesystem-aware recovery tests.
Python Warnings: Find Compatibility Debt Before Release
Use Python warnings with deliberate filters, visible deprecations, narrow exceptions, concurrency checks, and release tests for compatibility debt.
Git Restore: Choose the Source and Destination First
Use Git restore with explicit source and destination, reviewed path scope, preserved uncommitted work, patch selection, and verified index state.
Git Line Endings: A Repository Policy, Not a Surprise Diff
Manage Git line endings with repository attributes, text and binary rules, isolated renormalization, cross-platform tests, and reviewed checkout behavior.
Python SQLite Transactions: Make Commit Ownership Explicit
Design Python SQLite transactions with explicit autocommit mode, version checks, owned commit boundaries, parameterized queries, and tested rollback.