SVC - some data missing

Greg
Greg
in IBM
I migrated stor2rrd 7.30 installation to new system (Linux to Linux) and I have issues with one of storage: SVC. Configuration is presented but there is no performance data.

I removed all data for this SVC (from data, www, tmp) but it not helped.

In logs/error.log-SVC there is one repeated line:
Max. recursion depth with nested structures exceeded at /usr/lib64/perl5/vendor_perl/Storable.pm line 278, at /opt/stor2rrd/bin/svcperf.pl line 902.

Could you help me with debugging it?

P.S. Another SVC works as expected.

Regards, Grzegorz

Comments

  • Pavel
    Pavel
    Hi,

    do you get same error by running this:
    perl -MStorable=nstore -e '$h->{$i}{a}{b}{c} = 0 while $i++<10000; nstore($h, "testfile")'

    what is your perl, older than 5.30?

    As a workaround,you can change the value of the limit into the file /usr/lib64/perl5/vendor_perl/Storable/Limit.pm¿ like below:
    # bisected by stacksize
    $Storable::recursion_limit = -1
      unless defined $Storable::recursion_limit;
    $Storable::recursion_limit_hash = -1
      unless defined $Storable::recursion_limit_hash;
    1;


  • Greg
    Greg
    Hi Pavel,

    Yes, We have RHEL 8.5 with perl 5.26 - default version. I've tried to upgrade it to 5.30 (using module streams), but a lot of dependency was missing. But your workaround with manually changed limit - works! Thank you!

    Regards, Greg
  • Pavel
    Pavel

    just a note for AIX users where Limit.pm does not exist with  perl-5.30.3-2 at least.


    in stor2rrd application directory (/home/stor2rrd/stor2rrd usually) open:

    vi bin/svcperf.pl

    and put this behind line: use Storable qw(retrieve nstore);

    # Bug: Max. recursion depth with nested structures exceeded

    $Storable::recursion_limit=-1;

    $Storable::recursion_limit_hash=-1;

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