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Learn how to configure Node-RED's file-based context storage so flow and global variables survive restarts. Includes a ready-to-use settings.js snippet, serialization rules, common pitfalls, and verification steps.
Enable file-based Node-RED context storage so flow and global values survive restarts and redeploys.
Default Node-RED context lives in memory and vanishes on restart. Learn how to evaluate file-based versus in-memory stores for stateful flows, with a counter example and verification steps.
Local Filesystem Context Store Integration Node-RED allows the definition of multiple context storage engines within settings.js to manage data across node, flow, and global scopes. While the default in-memory store provides low latency, the localfilesystem store ensures data durability across restarts and redeploys. A design challenge arises when balancing
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