Hi Tomas,
Thanks for your prompt reply and your offer to help. I might need to get back
to this since I am not too experienced in debugging these kinds of issues.
Anyway, I gave it a try and I think I have found the immediate cause:
I installed the debug symbols (r-base-core-dbg), placed
https
Hi Andreas,
the error is reported when some child process cannot send results to the
master process, which originates from an error returned by write() -
when write() returns -1 or 0. The logic around the writing has not
changed since R 3.5.2. It should not be related to the printing in the
c
I've been working on this and will hopefully get a fix checked in today.
On Wed, Nov 27, 2019 at 3:53 AM Martin Maechler
wrote:
>
> > Ezra Tucker
> > on Mon, 11 Nov 2019 21:47:41 + writes:
>
> > Hi all,
> >
> > I came across an issue in using the Matrix package which made it that
> Ezra Tucker
> on Mon, 11 Nov 2019 21:47:41 + writes:
> Hi all,
>
> I came across an issue in using the Matrix package which made it that I
> could only subset Matrices using the numeric class, but could not using
> integers. Steps to reproduce the problem:
>
> library(Matrix)
Hi again,
One important correction of my first message: I misinterpreted the output.
Actually in that R session 2 input files were processed one after the other in
a loop. The first (with 88 parts went fine). The second (with 85 parts)
produced the sendMaster errors and failed. If (in a new ses
Hi,
I am facing a very weird problem with parallel::mclapply. I have a script which
does some data wrangling on an input dataset in parallel and then writes the
results to disk. I have been using this script daily for more than one year
always on an EC2 instance launched from the same AMI (no u
