Which gRPC library are you using? And which language? C++, Java, Python, etc On Monday, June 6, 2022 at 11:42:26 AM UTC-7 amandee...@gmail.com wrote:
> So, we identified that it might be because of > CodedInputStream::ReadStringFallback in protocol buffers. > We do not reserve the buffer upfront and use string's append repeatedly > for some reason. This leads to a string capacity of 8MB for a 4MB string. > > Any pointers would be helpful. > On Thursday, May 26, 2022 at 2:52:14 PM UTC-4 amandee...@gmail.com wrote: > >> We have a mechanism to limit the memory used by a process. To make sure >> that there are no violators, we rely on maxrss of the process. We check >> maxrss every few mins to see if we had seen a spike in memory which was >> beyond the permitted value. >> >> We have a grpc server and what we are seeing is that for a request with >> 4MB of payload, the maxrss of the process is becoming slightly greater than >> 8MB. This limits our effective memory utilization to just half in most of >> the scenario without violating the memory limit. My guess it that this is >> because grpc is not zero copy. Is there a way to make grpc zero copy? If >> not, is there a way to limit the spike in memory when multiple requests >> come in? >> > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/98244c2a-ee10-40d0-a204-e90c55ae44cdn%40googlegroups.com.
