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- title : "Support for gRPC-aware proxy deployed between Gitaly and rest of GitLab"
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announcement_milestone : "14.8" # The milestone when this feature was first announced as deprecated.
removal_milestone : "15.0" # The milestone when this feature is planned to be removed
breaking_change : true # If this deprecation is a breaking change, set this value to true
reporter : jacobvosmaer-gitlab # GitLab username of the person reporting the deprecation
body : | # Do not modify this line, instead modify the lines below.
Although not recommended or documented, it was possible to deploy a gRPC-aware proxy between Gitaly and
the rest of GitLab. For example, NGINX and Envoy. The ability to deploy a gRPC-aware proxy is
[ deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/352517). If you currently use a gRPC-aware proxy for
Gitaly connections, you should change your proxy configuration to use TCP or TLS proxying (OSI layer 4) instead.
Gitaly Cluster became incompatible with gRPC-aware proxies in GitLab 13.12. Now all GitLab installations will be incompatible with
gRPC-aware proxies, even without Gitaly Cluster.
By sending some of our internal RPC traffic through a custom protocol (instead of gRPC) we
increase throughput and reduce Go garbage collection latency. For more information, see
the [relevant epic](https://gitlab.com/groups/gitlab-com/gl-infra/-/epics/463).
# The following items are not published on the docs page, but may be used in the future.
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stage : platform
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tiers : # (optional - may be required in the future) An array of tiers that the feature is available in currently. e.g., [Free, Silver, Gold, Core, Premium, Ultimate]
issue_url : # (optional) This is a link to the deprecation issue in GitLab
documentation_url : # (optional) This is a link to the current documentation page
image_url : # (optional) This is a link to a thumbnail image depicting the feature
video_url : # (optional) Use the youtube thumbnail URL with the structure of https://img.youtube.com/vi/UNIQUEID/hqdefault.jpg
