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minimize allocations (#1472)

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* server: minimize allocations on re-register

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* server: stop old instance before Init()

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* client/grpc: fix allocations in protobuf marshal

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* codec/json: fix allocations in protobuf marshal

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* remove stop from init

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* codec/grpc: expose MaxMessageSize

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* codec: use buffer pool

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* metadata: minimize reallocations

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* util/wrapper: use metadata helper

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* registry/cache: move logs to debug level

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* server: move logs to debug level

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* server: cache service only when Advertise is ip addr

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* server: use metadata.Copy

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2020-04-08 12:50:19 +03:00
parent 1a06552877
commit e0f64db92c
1 changed files with 14 additions and 5 deletions
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19
codec.go
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@ -11,6 +11,7 @@ import (
"github.com/golang/protobuf/proto"
"github.com/micro/go-micro/v2/codec"
"github.com/micro/go-micro/v2/codec/bytes"
"github.com/oxtoacart/bpool"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
)
@ -23,6 +24,9 @@ type wrapCodec struct{ encoding.Codec }
var jsonpbMarshaler = &jsonpb.Marshaler{}
var useNumber bool
// create buffer pool with 16 instances each preallocated with 256 bytes
var bufferPool = bpool.NewSizedBufferPool(16, 256)
var (
defaultGRPCCodecs = map[string]encoding.Codec{
"application/json": jsonCodec{},
@ -106,14 +110,19 @@ func (bytesCodec) Name() string {
}
func (jsonCodec) Marshal(v interface{}) ([]byte, error) {
if pb, ok := v.(proto.Message); ok {
s, err := jsonpbMarshaler.MarshalToString(pb)
return []byte(s), err
}
if b, ok := v.(*bytes.Frame); ok {
return b.Data, nil
}
if pb, ok := v.(proto.Message); ok {
buf := bufferPool.Get()
defer bufferPool.Put(buf)
if err := jsonpbMarshaler.Marshal(buf, pb); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
return json.Marshal(v)
}