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Notes from the nest · 980 posts

The Roost

Engineering notes written by the people building Crowkis. Comparisons, use cases, economics, internals, security, operations, and nothing written just to rank.

guidesMay 6, 2026· 4m

Cache LangGraph in your meeting-notes summarizer with Crowkis

Building meeting-notes summarizers on LangGraph? Add a semantic cache so similar summaries requested repeatedly stop costing full price.

guidesMay 6, 2026· 5m

Give Ollama agents long-term memory with Crowkis

Durable, per-user memory for Ollama agents that survives restarts and consolidates contradictions, self-hosted, zero egress.

engineeringMay 6, 2026· 3m

One actor, no locks across await: the concurrency design

Crowkis serves thousands of connections through async IO, then funnels every cache decision through a single deterministic actor. Here's why that's a feature.

use casesMay 6, 2026· 3m

Startups: your LLM bill is eating runway you'll want back

Seed-stage AI products routinely spend salary-sized sums recomputing known answers. Free Community edition exists precisely for this moment of your company.

guidesMay 5, 2026· 4m

Cache Spring AI in your AI search with Crowkis

Building AI search on Spring AI? Add a semantic cache so popular queries hit again and again stop costing full price.

guidesMay 5, 2026· 4m

Cache the OpenAI Python SDK in your voice assistant with Crowkis

Building voice assistants on the OpenAI Python SDK? Add a semantic cache so latency-sensitive, repetitive spoken queries stop costing full price.

guidesMay 5, 2026· 4m

Cache DSPy in your sales enablement tool with Crowkis

Building sales enablement tools on DSPy? Add a semantic cache so reps asking the same product questions stop costing full price.

guidesMay 5, 2026· 4m

Cache LangGraph in your SQL generation tool with Crowkis

Building SQL generation tools on LangGraph? Add a semantic cache so the same schema questions and query shapes stop costing full price.

guidesMay 5, 2026· 5m

How to cache the OpenAI Python SDK LLM calls with Crowkis

Add a semantic cache to the OpenAI Python SDK so repeated and reworded questions are served for free, no rewrite, self-hosted.

featuresMay 5, 2026· 3m

CINFO and the dashboard: a cache you can actually watch work

Infrastructure you can't observe is infrastructure you don't trust. CINFO and the built-in dashboard expose hit rate, saved spend, safety blocks, memory pressure, and license state in real time.

economicsMay 5, 2026· 3m

The hidden invoice of a cold cache: what model migrations really cost

Swap models with a normal cache and you re-purchase your entire corpus at the new model's prices. Migration leasing is the line item that prevents the line item.

guidesMay 4, 2026· 4m

Cache Spring AI in your ecommerce assistant with Crowkis

Building ecommerce assistants on Spring AI? Add a semantic cache so the same product and policy questions across shoppers stop costing full price.

guidesMay 4, 2026· 4m

Cache the OpenAI Python SDK in your email drafting tool with Crowkis

Building email drafting tools on the OpenAI Python SDK? Add a semantic cache so similar drafts requested over and over stop costing full price.

guidesMay 4, 2026· 4m

Cache DSPy in your knowledge base assistant with Crowkis

Building knowledge base assistants on DSPy? Add a semantic cache so the same lookups across a team all day stop costing full price.

guidesMay 4, 2026· 4m

Cache LangGraph in your devops copilot with Crowkis

Building devops copilots on LangGraph? Add a semantic cache so the same runbook and incident questions stop costing full price.

guidesMay 4, 2026· 5m

Give the OpenAI Python SDK agents long-term memory with Crowkis

Durable, per-user memory for the OpenAI Python SDK agents that survives restarts and consolidates contradictions, self-hosted, zero egress.

vs the fieldMay 4, 2026· 3m

Crowkis vs Dragonfly, Valkey, and KeyDB: faster exact-matching is still exact-matching

The new Redis-compatibles race each other on throughput. On LLM traffic they all hit the same wall at full speed: the keys never repeat.

guidesMay 3, 2026· 4m

Cache Spring AI in your healthcare Q&A assistant with Crowkis

Building healthcare Q&A assistants on Spring AI? Add a semantic cache so recurring policy and triage questions stop costing full price.

guidesMay 3, 2026· 4m

Cache the OpenAI Python SDK in your code review bot with Crowkis

Building code review bots on the OpenAI Python SDK? Add a semantic cache so the same review patterns across pull requests stop costing full price.

guidesMay 3, 2026· 4m

Cache DSPy in your research assistant with Crowkis

Building research assistants on DSPy? Add a semantic cache so overlapping literature and summary questions stop costing full price.