From 4431280099dae7401d5b570a9dfe7ab574e0d2df Mon Sep 17 00:00:00 2001 From: Warren Baker Date: Thu, 13 Jun 2013 20:12:22 +0200 Subject: Work out the recommended *-slabs setting dynamically. Kudos to Reiner030 on the forum --- config/unbound/unbound.inc | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) (limited to 'config/unbound') diff --git a/config/unbound/unbound.inc b/config/unbound/unbound.inc index 156b14fc..8cd186fb 100644 --- a/config/unbound/unbound.inc +++ b/config/unbound/unbound.inc @@ -621,23 +621,19 @@ function unbound_optimization() { // Set the number of threads equal to number of CPUs. // Use 1 (disable threading) if for some reason this sysctl fails. $numprocs = intval(trim(`/sbin/sysctl kern.smp.cpus | /usr/bin/cut -d" " -f2`)); - if($numprocs > 0) + if($numprocs > 1) { $optimization['number_threads'] = "num-threads: {$numprocs}"; - else + $optimize_num = pow(2,floor(log($numprocs,2))); + } else { $optimization['number_threads'] = "num-threads: 1"; + $optimize_num = 4; + } // Slabs to help reduce lock contention. - if ($numprocs > 4) { - $optimization['msg_cache_slabs'] = "msg-cache-slabs: {$numprocs}"; - $optimization['rrset_cache_slabs'] = "rrset-cache-slabs: {$numprocs}"; - $optimization['infra_cache_slabs'] = "infra-cache-slabs: {$numprocs}"; - $optimization['key_cache_slabs'] = "key-cache-slabs: {$numprocs}"; - } else { - $optimization['msg_cache_slabs'] = "msg-cache-slabs: 4"; - $optimization['rrset_cache_slabs'] = "rrset-cache-slabs: 4"; - $optimization['infra_cache_slabs'] = "infra-cache-slabs: 4"; - $optimization['key_cache_slabs'] = "key-cache-slabs: 4"; - } + $optimization['msg_cache_slabs'] = "msg-cache-slabs: {$optimize_num}"; + $optimization['rrset_cache_slabs'] = "rrset-cache-slabs: {$optimize_num}"; + $optimization['infra_cache_slabs'] = "infra-cache-slabs: {$optimize_num}"; + $optimization['key_cache_slabs'] = "key-cache-slabs: {$optimize_num}"; // Memory usage - default is 4Mb if nothing has been selected if(isset($unbound_config['msg_cache_size'])) { -- cgit v1.2.3