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The Manager Discovery Service provides an RPC for a management
service to upstream its configuration to a relay service.
This RPC works essentially the same as xDS, except instead of the
client connecting to the server to receive configuration, the
client is connecting to the server send its configuration.
This service enables the relay to merge the configuration of all
currently live management servers as a single aggregated
xDS server without the relay needing to maintain a list
of xDS servers to connect to in the relay itself.
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Field Type Label Description
clusters Cluster repeated
Field Type Label Description
filters Filter repeated
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Name Number Description
DoNothing 0 Compress 1 Decompress 2
Name Number Description
Snappy 0 Lz4 1
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Name Number Description
DoNothing 0 Append 1 Prepend 2
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Name Number Description
Allow 0 Deny 1
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Name Number Description
RoundRobin 0 Random 1 Hash 2
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.proto Type Notes C++ Java Python Go C# PHP Ruby
double double float float64 double float Float float float float float32 float float Float Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead. int32 int int int32 int integer Bignum or Fixnum (as required) Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead. int64 long int/long int64 long integer/string Bignum Uses variable-length encoding. uint32 int int/long uint32 uint integer Bignum or Fixnum (as required) Uses variable-length encoding. uint64 long int/long uint64 ulong integer/string Bignum or Fixnum (as required) Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. int32 int int int32 int integer Bignum or Fixnum (as required) Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. int64 long int/long int64 long integer/string Bignum Always four bytes. More efficient than uint32 if values are often greater than 2^28. uint32 int int uint32 uint integer Bignum or Fixnum (as required) Always eight bytes. More efficient than uint64 if values are often greater than 2^56. uint64 long int/long uint64 ulong integer/string Bignum Always four bytes. int32 int int int32 int integer Bignum or Fixnum (as required) Always eight bytes. int64 long int/long int64 long integer/string Bignum bool boolean boolean bool bool boolean TrueClass/FalseClass A string must always contain UTF-8 encoded or 7-bit ASCII text. string String str/unicode string string string String (UTF-8) May contain any arbitrary sequence of bytes. string ByteString str []byte ByteString string String (ASCII-8BIT)