pfSense

    global $config;

    $optimization_settings = array();

    /* 

     * Set the number of threads equal to number of CPUs.

     * Use 1 to disable threading, if for some reason this sysctl fails.

        $optimization['number_threads'] = "num-threads: {$numprocs}";

    else

        $optimization['number_threads'] = "num-threads: 1";

    // Slabs to help reduce lock contention.

    if ($numprocs > 4) {

        $optimization['msg_cache_slabs'] = "msg-cache-slabs: {$numprocs}";

        $optimization['infra_cache_slabs'] = "infra-cache-slabs: 4";

        $optimization['key_cache_slabs'] = "key-cache-slabs: 4";

    }

    // Memory usage default of 4MB

    $optimization['msg_cache_size'] = "msg-cache-size: 4m";

    $optimization['rrset_cache_size'] = "rrset-cache-size: 8m";

    $domains = $config['unbound']['domainoverrides'];

    $sorted_domains = msort($domains, "domain");

    foreach($sorted_domains as $domain) {

        $domain_key = current($domain);

        if (!isset($result[$domain_key]))

            $domain_entries .= "\tstub-prime: no\n";

        }

    }

    if ($pvt == true)

        return $domain_entries;

    else

            }

            break;

        default:

}

// Generation of Unbound statistics