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DevOps for Python services
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Module 5 · Cloud, IaC, Secrets, Cost · Recap
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Logs: Loki vs Elasticsearch
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📝 **Question:** TB/day log volume, want grep-style search at low cost? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
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📝 **Question:** TB/day log volume, want grep-style search at low cost? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
A
Elasticsearch with hot-warm tiers — ILM rolls indices to spinning disk so the per-GB indexing cost stays under Loki.
B
Loki — labels-only index, cold storage on S3, grep at query time. Cheaper than ES by 5-10× for most use cases.
C
CloudWatch Logs Insights — managed AWS service handles the indexing for you and charges only for queried data volume.
D
Raw flat files in S3 with Athena — define a CSV schema and let Trino's columnar scan handle ad-hoc grep at TB scale.
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