Thanks for the reply. I will try GRPC_STREAM_REFCOUNT_DEBUG. Just a quick question, when is destroy_channel(...) called? We are using the same channel over and over. Does that mean destroy_channel is not called?
On Thursday, September 29, 2016 at 3:22:44 PM UTC-7, Yang Gao wrote: > > Hi, The stub can be shared by different calls, but the memory is freed in > https://github.com/grpc/grpc/blob/master/src/core/lib/surface/channel.c#L311 > > You can try to define GRPC_STREAM_REFCOUNT_DEBUG to have more logs. > > On Tue, Sep 27, 2016 at 5:17 PM, <[email protected] <javascript:>> wrote: > >> I am tracking down a memory leak, and it leads to the NewStub call (async >> in my case). In our code, for every rpc request from the client, a NewStub >> is created to send the request. The stub object returned from NewStub is >> correctly deleted (as a unique_ptr), but something else during the call is >> not. >> >> From the code, Stub::Stub sets the RpcMethod object. RpcMethod's >> constructor calls channel->RegisterMethod(name), which then calls >> grpc_channel_register_call who does a gpr_malloc(sizeof(registered_call)). >> I am not sure when this memory should be freed, but jeprof also reports >> this gpr_malloc is leaking. >> >> I also tried turning on GRPC_TRACE, and saw this >> grpc_channel_register_call, but never the one that frees the memory. Maybe >> I am not familiar with the grpc code, but can someone explain how this >> memory is freed? >> >> Thanks for any pointer. >> >> -- >> 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 [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/grpc-io. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/grpc-io/4e9482c2-48f3-462e-bce0-8d61e4152b88%40googlegroups.com >> >> <https://groups.google.com/d/msgid/grpc-io/4e9482c2-48f3-462e-bce0-8d61e4152b88%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/25b6fd9b-9e79-4574-b8e5-645818f0d1f6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
