Add drive cost to stateless Java app clusters#215
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The root EBS volume (gp2) attached to Java app instances was not being included in the cluster's annual_cost. This caused underreporting of ~$949/year for the dgwkv layer in Key-Value deployments. Fix: After compute_stateless_region(), add the attached drive cost to the cluster's annual_cost. Impact: ~0.9% cost increase for Java app clusters. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
homatthew
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Jan 27, 2026
| ], | ||
| "cluster_type": "dgwkv", | ||
| "count": 78, | ||
| "count": 39, |
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All things equal, we are now preferring less instances to have slightly less drive cost
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Summary
The root EBS volume (gp2) attached to Java app instances was not being included in the cluster's
annual_cost. This caused underreporting of ~$949/year for the dgwkv layer in Key-Value deployments.Fix
After
compute_stateless_region(), add the attached drive cost to the cluster's annual_cost:Impact
~0.9% cost increase for Java app clusters:
nflx-java-app.regional-clusterskv_with_cachetotalTest plan
tox -e pre-commitpasses🤖 Generated with Claude Code