Hello
See what "free" command says about free memory, and what "ulimit" command says about limits has your user
But, wait! Which is the exact message which your application/perl give you ?
Maybe it is not a limit / free memory available problem
In your situation, I surely would test an "empty program" with only your sentence:
#!/usr/bin/perl
use strict;
use Expect;
my $user="user"; my $source_DB="source";
Expect->spawn("ssh $User\@$source_DB");
Expect->interact;
And see if it is the root cause .. (I doubt it)
Maybe google has more hints
Regards,
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