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Utopia: its database requests two cores and 4Gi, with 1GB of shared buffers - #2799
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…uffers On 2026-10-17 the mirrored test runs and code held utopia-db at its 2-CPU limit, waiting on disk reads: entity resolution reads every entity's embedding per pushed item, and Postgres ran with the default 128MB of shared_buffers against a 1.6GB database.
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Lore review — Approved
CNPG resource requests/limits and PostgreSQL memory tuning for utopia-db are well-proportioned and valid.
Must fix (0) · Consider (0) · Nits (0)
Reviewed by gemini-4-argon
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Posted by floor, visit 0f363aff-a2d7-4242-9109-1a3102fdf262.
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Since re.8 went live,
utopia-dbhas sat at its 2-CPU limit with 18 connections busy. Utopia's log is full of slow-statement warnings, and one push was refused withpool timed out while waiting for an open connection. The busy queries are entity resolution for pushed items. Each one reads every entity's 3,072-dimension embedding in the knowledge base, and they wait on disk reads (IO:DataFileRead): Postgres runs with the default 128MB ofshared_buffersagainst a 1.6GB database. Thirteen pushed commits are stillpendingbehind that queue.utopia-dbnow requests 2 CPUs and 4Gi (was 1 and 1Gi), with limits of 4 CPUs and 4Gi, and setsshared_buffers = 1GB,effective_cache_size = 3GBandwork_mem = 16MB. Autopilot bills requests, so this costs about $43 a month more at list price (about $79 instead of $36).terraform plan -target='kubectl_manifest.utopia_db_cluster[0]'shows the one in-place change: the three parameters added, requests 1→2 CPU and 1Gi→4Gi, limits 2→4 CPU and 2Gi→4Gi.Applying restarts the single CNPG instance: a short database outage for Utopia, which reconnects on its own. After merge:
terraform apply -target='kubectl_manifest.utopia_db_cluster[0]'from main.Related: #2773 (the last sizing), #2798 (the import's own timeout).
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