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consul/connect: set default Envoy worker threads for gateways #9611

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Dec 10, 2020
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1 change: 1 addition & 0 deletions nomad/job_endpoint_hook_connect.go
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ var (
"args": []interface{}{
"-c", structs.EnvoyBootstrapPath,
"-l", "${meta.connect.log_level}",
"--concurrency", "${meta.connect.proxy_concurrency}",
"--disable-hot-restart",
},
}
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10 changes: 10 additions & 0 deletions website/pages/docs/upgrade/upgrade-specific.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,16 @@ upgrade. However, specific versions of Nomad may have more details provided for
their upgrades as a result of new features or changed behavior. This page is
used to document those details separately from the standard upgrade flow.

## Nomad 1.0.1

#### Envoy worker threads

Nomad v1.0.0 changed the default behavior around the number of worker threads
created by the Envoy when being used as a sidecar for Consul Connect. In Nomad
v1.0.1, the same default setting of [`--concurrency=1`][envoy_concurrency] is set for Envoy when used
as a Connect gateway. As before, the [`meta.connect.proxy_concurrency`][proxy_concurrency]
property can be set in client configuration to override the default value.

## Nomad 1.0.0

### HCL2 for Job specification
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