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v3rpc: limit recv size using MaxRecvMsgSize and send using MaxSendMsgSize

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grpc 1.3 uses MaxMsgSize() to limit received message size. However, grpc 1.4 introduces a 4mb default limit on send message size. In etcd, server shouldn't be limit size of message that it can be sent. Hence, set maximum size of send message using MaxSendMsgSize().
This commit is contained in:
fanmin shi 2017-08-22 14:05:55 -07:00
parent 5c975fdb10
commit d2ca782277
1 changed files with 3 additions and 1 deletions
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4
etcdserver/api/v3rpc/grpc.go
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@ -31,6 +31,7 @@ import (
const (
grpcOverheadBytes = 512 * 1024
maxStreams = math.MaxUint32
maxSendBytes = math.MaxInt32
)
func init() {
@ -45,7 +46,8 @@ func Server(s *etcdserver.EtcdServer, tls *tls.Config) *grpc.Server {
}
opts = append(opts, grpc.UnaryInterceptor(newUnaryInterceptor(s)))
opts = append(opts, grpc.StreamInterceptor(newStreamInterceptor(s)))
opts = append(opts, grpc.MaxMsgSize(int(s.Cfg.MaxRequestBytes+grpcOverheadBytes)))
opts = append(opts, grpc.MaxRecvMsgSize(int(s.Cfg.MaxRequestBytes+grpcOverheadBytes)))
opts = append(opts, grpc.MaxSendMsgSize(maxSendBytes))
opts = append(opts, grpc.MaxConcurrentStreams(maxStreams))
grpcServer := grpc.NewServer(opts...)