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fix: prevent API requests from hanging after idle periods #3011

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Merged
talos-bot merged 1 commit into from
Jun 19, 2026
+10 −0
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fix: prevent API requests from hanging after idle periods #3011

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5 changes: 5 additions & 0 deletions internal/backend/grpc/grpc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,11 @@ func RegisterGateway(
return memtrans.DialContext(dctx)
}),
grpc.WithSharedWriteBuffer(true),
// Disable idle mode: this is a permanent in-process loopback connection,
// so there is nothing to reclaim by going idle, and it avoids the
// first-request latency of re-establishing the connection after a quiet
// period.
grpc.WithIdleTimeout(0),
}

for srv, err := range servers {
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5 changes: 5 additions & 0 deletions internal/backend/grpc/router/router.go
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,11 @@ func NewRouter(
grpc.MaxCallRecvMsgSize(math.MaxInt32),
grpc.ForceCodecV2(proxy.Codec()),
),
// Disable idle mode: this is a permanent in-process loopback connection,
// so there is nothing to reclaim by going idle, and it avoids the
// first-request latency of re-establishing the connection after a quiet
// period.
grpc.WithIdleTimeout(0),
)
if err != nil {
return nil, fmt.Errorf("failed to dial omni backend: %w", err)
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