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Increase the allowed concurrent gRPC streams #16327

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merged 5 commits into from Jul 20, 2022
Merged

Increase the allowed concurrent gRPC streams #16327

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e19cb88
Increase the allowed concurrent gRPC streams
briankassouf Jul 18, 2022
3f069e5
Add a env override for the max streams setting
briankassouf Jul 20, 2022
b8e48d0
Add changelog
briankassouf Jul 20, 2022
a97273a
go fmt
briankassouf Jul 20, 2022
7facd6b
fix builds on 32bit systems
briankassouf Jul 20, 2022
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5 changes: 5 additions & 0 deletions vault/cluster/cluster.go
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Expand Up @@ -6,6 +6,7 @@ import (
"crypto/x509"
"errors"
"fmt"
"math"
"net"
"net/url"
"os"
Expand Down Expand Up @@ -81,6 +82,10 @@ func NewListener(networkLayer NetworkLayer, cipherSuites []uint16, logger log.Lo
// Our forwarding connections heartbeat regularly so anything else we
// want to go away/get cleaned up pretty rapidly
IdleTimeout: idleTimeout,

// By default this is 250 which can be too small on high traffic
// clusters with many forwarded or replication gRPC connections.
MaxConcurrentStreams: math.MaxUint32,
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Do we want an opt-out feature toggle? Just worried about unforeseen consequences.

}

return &Listener{
Expand Down