# AWS S3 Optimization | Cloud Efficiency Hub

Canonical: https://www.pointfive.co/efficiency-hub/cloud-services/aws-s3

Comprehensive guide to AWS S3 cost optimization. Identify and fix common inefficiencies to reduce cloud spend.

# AWS S3

Comprehensive guide to AWS S3 cost optimization. Identify and fix common inefficiencies to reduce cloud spend.

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Category

Cloud provider

## All inefficiencies

14 inefficiencies

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| Cloud | Reference | Inefficiency | Service | Category |
| --- | --- | --- | --- | --- |
|  | CER-0334 | [Excessive S3 Request Costs from Filesystem-Oriented I/O Patterns](https://www.pointfive.co/efficiency-hub/inefficiencies/excessive-s3-request-costs-from-filesystem-oriented-i-o-patterns)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0330 | [Orphaned MLflow Training Artifacts and Model Checkpoints in Object Storage](https://www.pointfive.co/efficiency-hub/inefficiencies/orphaned-mlflow-training-artifacts-and-model-checkpoints-in-object-storage)  AWS S3 / AI | AWS S3 | AI |
|  | CER-0307 | [S3 Standard - Infrequent Access Used Where Intelligent Tiering Would Be Cheaper](https://www.pointfive.co/efficiency-hub/inefficiencies/s3-standard-ia-used-where-intelligent-tiering-would-be-more-cost-effective)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0303 | [Orphaned Cloud Storage from Dropped External Delta Tables in Databricks](https://www.pointfive.co/efficiency-hub/inefficiencies/orphaned-cloud-storage-from-dropped-external-delta-tables-in-databricks)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0237 | [Unexpired Non-Current Object Versions in S3](https://www.pointfive.co/efficiency-hub/inefficiencies/unexpired-non-current-object-versions-in-s3)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0229 | [Excessive KMS Charges from Missing S3 Bucket Key Configuration](https://www.pointfive.co/efficiency-hub/inefficiencies/excessive-kms-charges-from-missing-s3-bucket-key-configuration)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0200 | [Unused S3 Storage Lens Advanced](https://www.pointfive.co/efficiency-hub/inefficiencies/unused-s3-storage-lens-advanced)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0160 | [Misaligned S3 Storage Tier Selection Based on Access Patterns](https://www.pointfive.co/efficiency-hub/inefficiencies/misaligned-s3-storage-tier-selection-based-on-access-patterns)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0054 | [Excessive CloudTrail Charges from Bulk S3 Deletes](https://www.pointfive.co/efficiency-hub/inefficiencies/excessive-cloudtrail-charges-from-bulk-s3-deletes)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0161 | [Missing S3 Gateway Endpoint for Intra-Region EC2 Access](https://www.pointfive.co/efficiency-hub/inefficiencies/missing-s3-gateway-endpoint-for-intra-region-ec2-access)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0076 | [Missing S3 Lifecycle Policy for Incomplete Multipart Uploads](https://www.pointfive.co/efficiency-hub/inefficiencies/missing-s3-lifecycle-policy-for-incomplete-multipart-uploads)  AWS S3 / Storage | AWS S3 | Storage |
|  | CER-0037 | [Inactive S3 Bucket](https://www.pointfive.co/efficiency-hub/inefficiencies/inactive-s3-bucket)  AWS S3 / Storage | AWS S3 | Storage |

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Source: the public page above. Product screenshots and illustrative interfaces are examples, not live customer data.