Increase the allowed concurrent gRPC streams #16327
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ncabatoff
reviewed
Jul 18, 2022
vault/cluster/cluster.go
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| // 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.
raskchanky
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Jul 19, 2022
ncabatoff
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Jul 20, 2022
raskchanky
approved these changes
Jul 20, 2022
ncabatoff
approved these changes
Jul 20, 2022
This was referenced Jul 20, 2022
briankassouf
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Jul 20, 2022
* Increase the allowed concurrent gRPC streams * Add a env override for the max streams setting * Add changelog * go fmt * fix builds on 32bit systems
briankassouf
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Jul 20, 2022
* Increase the allowed concurrent gRPC streams * Add a env override for the max streams setting * Add changelog * go fmt * fix builds on 32bit systems
briankassouf
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that referenced
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Jul 20, 2022
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By default
http2.Serverallows for 250 concurrent streams per host. This limit can cause bottlenecks on clusters with many forwarded requests/rpcs. This changes the default to match what the gRPC library uses:MaxUint32.