Hi,
I am using gRPC v1.17.2 for implementing CLI for my process. The gRPC
server is in C++ and the client is in Golang.
The protobuf definition looks like this
message GetResponseMsg {
repeated GetResponse response = 1; // response
}
message GetResponse {
Spec spec = 1;
Status status = 2;
Stats stats = 3;
}
Each Response is probably around 500 Bytes in size all considered. The
number of responses I am trying to retrieve runs to about 200000.
The server implementation looks like this
Status
Get(ServerContext *context,
const GetRequestMsg *req,
GetResponseMsg *rsp)
{
uint32_t i, nreqs = req->request_size();
for (i = 0; i < nreqs; i++) {
auto request = req->request(i);
get(request, rsp->add_response());
}
return Status::OK;
}
Obviously with the size of each response and the number of responses I
expect a lot of memory usage but thought the memory should be recovered
after this command is run. But this memory is never recovered and I rapidly
run out of memory and my process crashes.
I enabled usage of Arena in the proto file but that didn't change anything.
Is there anything I need to add to free up the memory used after the CLI
command is run?
I am a newbie to gRPC so am sorry if I have missed out on anything simple!
Any help is appreciated.
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