Re: [R] error with more 100 forked processes

The reason why you hit the limit already around 100 workers, could be because you already have other connections open, e.g. file connections, capture.output(), etc. If you want to use *forked* processing with more than 125 workers using bare-bone R, you can use parallel::mclapply() and friends,

[R] error with more 100 forked processes

I am trying to run a parallel job on a computer with many CPUs and get the following error: > library(parallel) > cl <- makeForkCluster(128) Error in UseMethod("sendData") :   no applicable method for 'sendData' applied to an object of class "NULL" If I scale down to 100 CPUs it doesn't