Glossary

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Glossary / Evaluation and implementation guide

Data Tiering

Data tiering is policy-based movement of data between storage classes: hot storage that is fast and expensive, warm storage, and cold archival storage that is cheap and slow.

Unlike one-time archiving or compression, tiering is an ongoing lifecycle rule. A common pattern keeps the last 90 days of campaign events hot for attribution queries and moves older history to cold storage automatically.

A practical example

Example: a team sets a rule that event data older than twelve months moves to cold object storage.

Dashboards querying recent quarters stay fast, while a yearly retention audit queries the cold tier with longer runtimes at a fraction of the storage price.

What to evaluate before investing

  • Ask whether tiering policies are configurable per table or only global settings.
  • Check how queries against cold tiers behave: latency, supported operations and retrieval fees.
  • Confirm whether data can be promoted back to hot storage automatically when needed.

Limitations and tradeoffs

Tradeoff: cold tiers save money but make old data slower and sometimes costlier to query per retrieval.

If attribution questions regularly reach back years, aggressive tiering will frustrate analysts; the policy must match real query patterns.

Plan your next step with MeshLine

Connect this decision to your automation, organic marketing and customer lifecycle management. In a MeshLine demo, discuss your existing tools, the scope you need and how to measure the result.