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  <title>Cloud Cost Optimization and FinOps Blog — OhChimp</title>
  <subtitle>Field notes on multi-cloud cost optimization (AWS, GCP, DigitalOcean), Kubernetes rightsizing, FinOps, and IaC scanning, with verified-savings stories.</subtitle>
  <link rel="self" type="application/atom+xml" href="https://www.ohchimp.com/feed.xml" />
  <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog" />
  <updated>2026-09-22T00:00:00Z</updated>
  <author>
    <name>OhChimp</name>
    <uri>https://www.ohchimp.com/</uri>
  </author>
  <entry>
    <id>https://www.ohchimp.com/blog/claude-prompt-caching-costs</id>
    <title>Claude prompt caching cost: 90% off, or 25% more</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/claude-prompt-caching-costs" />
    <published>2026-09-20T00:00:00Z</published>
    <updated>2026-09-20T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Anthropic prompt caching pricing bills a cache read at 10% of the input rate and the write that created it at 125%. Your call cadence decides which you pay.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/confluent-dedicated-cluster-cku-costs</id>
    <title>Confluent Cloud costs: shrink spare Dedicated CKUs</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/confluent-dedicated-cluster-cku-costs" />
    <published>2026-09-13T00:00:00Z</published>
    <updated>2026-09-13T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Confluent Cloud bills a Dedicated cluster for every CKU, every hour, busy or idle. Cut the cost: size it to your busiest minute, shrink in place, or go elastic.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/mongodb-atlas-continuous-backup-costs</id>
    <title>MongoDB Atlas backups: continuous bills 6.6x</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/mongodb-atlas-continuous-backup-costs" />
    <published>2026-09-06T00:00:00Z</published>
    <updated>2026-09-20T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Atlas continuous cloud backup reprices every snapshot you keep. 115 GB bills $106.25 a month against $16.10 flat. Find the break-even, then trim retention.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/databricks-all-purpose-vs-jobs-compute</id>
    <title>Databricks jobs compute lists 73% under all-purpose</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/databricks-all-purpose-vs-jobs-compute" />
    <published>2026-09-01T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>All-purpose compute lists $0.55 a DBU against jobs compute at $0.15. A job pointed at an existing cluster pays the interactive rate. Find yours and move it.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/cloud-run-min-instances-idle-billing</id>
    <title>Cloud Run min instances: idle is $9.72 or $49.25</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/cloud-run-min-instances-idle-billing" />
    <published>2026-08-30T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>An idle Cloud Run min instance costs about $9.72 a month on request-based billing and $49.25 on instance-based. Find yours, and the metric that hides them.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/savings-plans-break-even-utilization</id>
    <title>AWS Savings Plans: 73% utilization is break-even</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/savings-plans-break-even-utilization" />
    <published>2026-08-24T00:00:00Z</published>
    <updated>2026-09-13T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>A 1-year no-upfront Compute Savings Plan discounts EC2 about 26.5%, so it loses money below 73.5% utilization. Size the commitment off your hourly floor.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/azure-premium-ssd-v1-to-v2</id>
    <title>Azure Premium SSD v1 to v2: cut disk costs 21-73%</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/azure-premium-ssd-v1-to-v2" />
    <published>2026-08-21T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Premium SSD v1 bills the size tier your disk rounds up into. Premium SSD v2 bills the GiB you provisioned. Real pricing, migration commands, and rollback.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/terraform-drift-reverts-rightsizing</id>
    <title>Stop Terraform drift from reverting your right-sizing</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/terraform-drift-reverts-rightsizing" />
    <published>2026-08-16T00:00:00Z</published>
    <updated>2026-09-14T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Terraform drift reverts a right-sized instance and costs you about $140 a month back. Find it in the resource_drift key, then fix the size in code.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/s3-standard-ia-lifecycle-transition</id>
    <title>S3 Standard-IA lifecycle rules: cut 46% without losing money</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/s3-standard-ia-lifecycle-transition" />
    <published>2026-08-10T00:00:00Z</published>
    <updated>2026-09-10T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>S3 Standard-IA lists 46% below Standard, but the 128 KB floor, the 30-day minimum, and retrieval fees can invert the saving. Here are the three gates.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/bedrock-idle-provisioned-throughput</id>
    <title>Bedrock provisioned throughput bills when idle</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/bedrock-idle-provisioned-throughput" />
    <published>2026-08-09T00:00:00Z</published>
    <updated>2026-09-13T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>A Bedrock model unit bills hourly whether you call it or not, about $28,900 a month at Cohere Command&apos;s 1-month rate. Find idle units before the term renews.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/datadog-log-exclusion-filters</id>
    <title>Cut Datadog log costs: indexing bills 17x ingestion</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/datadog-log-exclusion-filters" />
    <published>2026-08-03T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Datadog ingests logs at $0.10 a GB and indexes them at $1.70 a million events. Find your noisiest sources, exclude them from the index, and keep your alerts.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/snowflake-auto-suspend-idle-warehouses</id>
    <title>Snowflake AUTO_SUSPEND: stop paying for idle warehouses</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/snowflake-auto-suspend-idle-warehouses" />
    <published>2026-07-26T00:00:00Z</published>
    <updated>2026-09-09T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>A Snowflake warehouse bills credits even when no query runs. Measure your idle credits, tune AUTO_SUSPEND, and plan around the 60-second billing floor.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/cloud-waste-gross-margin-kpi</id>
    <title>Is cloud spend COGS or OpEx? Make it a margin KPI</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/cloud-waste-gross-margin-kpi" />
    <published>2026-07-25T00:00:00Z</published>
    <updated>2026-09-16T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Production infrastructure is COGS, not OpEx, so wasted cloud spend comes straight out of gross profit. Here is the arithmetic, and four KPIs finance reads.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/unused-postgres-indexes</id>
    <title>Find unused Postgres indexes and stop paying to keep them</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/unused-postgres-indexes" />
    <published>2026-07-19T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>An index nobody queries still bills storage on every copy and taxes every write. Here is how to find dead Postgres indexes and drop them with no downtime.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/idle-nat-gateways</id>
    <title>Find idle NAT gateways before they bill $33 a month</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/idle-nat-gateways" />
    <published>2026-07-12T00:00:00Z</published>
    <updated>2026-09-08T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>A NAT gateway bills about $33 a month whether traffic flows or not. Find idle gateways with CloudWatch and delete them without breaking your routes.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/gcp-pd-ssd-to-pd-balanced</id>
    <title>GCP pd-ssd vs pd-balanced: cut disk costs 40%</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/gcp-pd-ssd-to-pd-balanced" />
    <published>2026-07-05T00:00:00Z</published>
    <updated>2026-09-19T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>pd-balanced lists about $0.10 per GiB-month, pd-ssd $0.17, same SSD class. GCP cannot convert a disk in place, so here are the gcloud commands and rollback.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/right-size-kubernetes-requests</id>
    <title>Cut Kubernetes costs by right-sizing pod requests</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/right-size-kubernetes-requests" />
    <published>2026-06-28T00:00:00Z</published>
    <updated>2026-09-13T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>Over-provisioned CPU and memory requests inflate your node count. Find the gap, set safe request values, and cut your Kubernetes bill with no downtime.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/azure-vm-stopped-vs-deallocated</id>
    <title>Azure VM stopped vs deallocated: stopped still bills</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/azure-vm-stopped-vs-deallocated" />
    <published>2026-06-27T00:00:00Z</published>
    <updated>2026-09-10T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>A stopped Azure VM keeps billing full compute, about $140 a month. Deallocating it drops that to zero. Find yours, and see why az vm stop is the trap.</summary>
  </entry>
  <entry>
    <id>https://www.ohchimp.com/blog/gp2-to-gp3</id>
    <title>EBS gp2 to gp3: cut storage costs about 20%</title>
    <link rel="alternate" type="text/html" href="https://www.ohchimp.com/blog/gp2-to-gp3" />
    <published>2026-06-22T00:00:00Z</published>
    <updated>2026-09-22T00:00:00Z</updated>
    <author><name>OhChimp Engineering</name></author>
    <summary>gp3 lists about $0.08 per GB-month against gp2&apos;s $0.10, with 3000 baseline IOPS. Migrate attached volumes with no downtime, and avoid the 1000 GiB trap.</summary>
  </entry>
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