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Cache the SDK's storage node registry read - #110
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Ocnrb
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Oct 6, 2026
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- Every history read asked the chain for the storage node's URLs (getNode, 43-83% of the measured RPC calls); the SDK's own cache map now keeps them, and a node that stops answering or returns 5xx drops its entry so a moved node is read again
- Pins @streamr/sdk to 103.3.1: the cache lives in patches/@streamr+sdk+103.3.1.patch, applied on postinstall, so upgrading the SDK means redoing the patch
- Measured at start, getNode calls went from 96 to 7; idle and with a channel open, to 0
… node stops answering - Every resend read the node's URLs from the chain (getNode, 43-83% of the measured RPC calls); the SDK's own cache map now keeps them for its cache maxAge - A resend that gets no answer or a 5xx from the node drops its entry, so a moved node is read again; 4xx answers and aborts keep it - Applied with patch-package on postinstall, so @streamr/sdk is pinned to 103.3.1 while the patch exists; the patch stays LF so a Windows checkout applies it exactly as CI does Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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