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Say why a lagging request is disconnected - #1003
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Requests that fall too far behind the last final block got the server shutdown error. Give each of the two cases its own error.
sduchesneau
marked this pull request as ready for review
October 16, 2026 15:34
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A production request that falls more than 2 segments behind the last final block is disconnected so the client reconnects and back-processes the gap in parallel. Both places that do this returned the server shutdown error,
endpoint is shutting down, please reconnect. Each now has its own error, stillUnavailable:pipeline.ErrBackprocessEndedTooFarBehindwhen back-processing finishes too far behind (service/tier1.go)pipeline.ErrStreamFellTooFarBehindwhen streamed final blocks fall behind (checkFinalBlockLag)service/error.gomaps both toUnavailablefor connect and gRPC clients, and a new test checks the code and message on both paths.