Hi,
I'm using protobuf in golang programming language.Currently I'm hunting for
some memory issue and used pprof tool to check heap usage of my program.
Proto message is created in function and returned then in main neverending
loop is sent to channel to sent data.
I create heap snapshot using pprof tool and looks like even memory to
message is not referenced buffer of message size is still occupied (I used
message payload like ~10M to be more visible).
code snippet:
func createMessage([]byte buff) []byte {
m := &protocol.Message{
Application: "1",
Payload: buff,
}
s, err := proto.Marshal(m)
return m
}
func main() {
....
for {
select {
case buff := receivedData:
p := createMessage(buff)
dataTosend <- p
}
}
}
Am I doing something wrong here? Program work fine but when using payload
like 100M (on embedded device) I'm getting after few attempts out of memory
issue.
Thanks.
BR,
marek
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