Serverless
8 posts
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Step Functions pricing: the 2026 break-even
One Step Functions state transition costs the same as 24 seconds of Express duration. Past 12 states, Express caps out before Standard ever gets cheaper.
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SQS pricing in 2026: requests, not messages
SQS pricing bills a 1 MiB message as 16 requests, and ten short-polling consumers on an empty queue as $103 a month. Long polling makes it $0.12.
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Amazon SES pricing and the plan default (2026)
New Amazon SES accounts start on Essentials at $0.16 per 1,000 emails, 60% above à la carte. Why that pays off only with VDM, plus the inbound chunk meter.
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Redshift Serverless pricing: the minute (2026)
Redshift Serverless bills a 60-second minimum per query, so a two-second dashboard query on the default 128-RPU workgroup costs 80 cents, not a fraction of one.
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API Gateway: REST vs HTTP API cost (2026)
API Gateway HTTP APIs are 3.5x cheaper per request until the payload passes 1.5 MB, where the 512 KB metering increment flips it.
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OpenSearch Serverless pricing: OCU floor 2026
An idle OpenSearch Serverless Classic collection bills a 2-OCU minimum: $350.40 a month at AWS's $0.24 OCU-hour. Only NextGen collections scale to zero.
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Do Lambda cold starts cost money? (2026)
Since 1 August 2025 every Lambda is billed for INIT, the cold start phase. What changed, how to measure it, what does not fix it.
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DynamoDB on-demand vs provisioned (2026)
AWS publishes the DynamoDB break-even: on-demand costs less below 35% utilisation. Plus the console switch that deletes your auto scaling.