Thank you very much for your quick reply! I installed parallel on an AWS EC2 (on a quite new, Linux 2 AMI) using yum, without realizing it was such an old version!
I will install the latest version from the tar file you mentioned. Will also drop noswap option. Thank you very much once again > On Sep 21, 2018, at 1:48 AM, Hans Schou <ch...@schou.dk> wrote: > > Hi Ihsan > > > The version number: 20160222 > > That is quite an old version. You should upgrade to the newest version: > > http://ftp.gnu.org/gnu/parallel/?C=M;O=D > <http://ftp.gnu.org/gnu/parallel/?C=M;O=D> > > Remember, 'parallel' is just one Perl script, so an upgrade could be as > simple as downloading the tar-ball and replace that one file on your system. > > > parallel -a commands --load 200% --noswap {} > > My first guess: The "noswap" makes you run out of memory > > ./hans > > On Fri, Sep 21, 2018 at 3:23 AM Ihsan Ecemis <miece...@gmail.com > <mailto:miece...@gmail.com>> wrote: > > Hello, > > We started having GNU Parallel crashing on our production server with the > following message: > > parallel: This should not happen. You have found a bug. > Please contact <parallel@gnu.org <mailto:parallel@gnu.org>> and include: > * The version number: 20160222 > * The bugid: loadavg_invalid_content: /home/ec2-user/.parallel/tmp/loadavg-: > > * The command line being run > * The files being read (put the files on a webserver if they are big) > > If you get the error on smaller/fewer files, please include those instead. > > > We usually put a few hundreds commands into a file and then run them with > something like: > > parallel -a commands --load 200% --noswap {} > > > Note that the same user may be running multiple parallel’s on the same server > at the same time (they are triggered by external events). I hope a User is > not limited to running only 1 parallel process at a given time. > > > Any help will be greatly appreciated. In advance, thank you very much for > any clues in resolving this. > > Thanks, > > Ihsan.