[erlang-patches] Re: gen:call({global, Name}, ...)

Henrik Nord <>
Thu Mar 31 12:28:21 CEST 2011

On 03/30/2011 03:19 AM, Geoff Cant wrote:
> Hi all, I discovered today that gen:call({global, Name}, Label, Request,
> Timeout) calls global:safe_whereis_name(Name) to determine the Pid to
> look up globally registered names.
> global:safe_whereis_name/1 doesn't seem to offer any particular safety
> and more importantly, serializes all global name lookups on a node. (Using
> global:whereis_name/1 instead is just an ets lookup).
> Can we safely make a change like
> https://github.com/archaelus/otp/commit/4f6e8a147b3c600eef2dd05f8ce0d51cf9c35383
> in gen.erl and improve call time and reduce the load on
> global_name_server at a stroke?
> This git repo contains the patch I'm thinking of:
> git fetch git://github.com/archaelus/otp.git gen_where
> Cheers,

Thank you!
This branch is now cooking in 'pu'

/Henrik Nord Erlang/OTP

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