https://www.pistack.xyz/tags/data/ Recent content in Data on Pi Stack Hugo en-us Wed, 22 Apr 2026 00:00:00 +0000 https://www.pistack.xyz/posts/elementary-vs-soda-vs-great-expectations-self-hosted-data-observability-guide-2026/ Wed, 22 Apr 2026 00:00:00 +0000 https://www.pistack.xyz/posts/elementary-vs-soda-vs-great-expectations-self-hosted-data-observability-guide-2026/ <p>When a data pipeline silently starts producing stale records, or a upstream schema change breaks downstream dashboards, the cost compounds with every minute the problem goes undetected. Data observability — the practice of monitoring data health across freshness, volume, schema, distribution, and lineage — has become essential for any team running self-hosted analytics infrastructure.</p>