[pve-devel] [PATCH 2/3] ceph init : disable debug options to improve performance

[Fabian Grünbichler]

On Fri, Apr 28, 2017 at 09:52:58AM +0200, Alexandre Derumier wrote:
> Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
> ---
>  PVE/API2/Ceph.pm | 35 +++++++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/PVE/API2/Ceph.pm b/PVE/API2/Ceph.pm
> index 6ffa528e..cf675ac9 100644
> --- a/PVE/API2/Ceph.pm
> +++ b/PVE/API2/Ceph.pm
> @@ -759,6 +759,41 @@ __PACKAGE__->register_method ({
>  		'auth client required' => 'cephx',
>  		'osd journal size' => $pve_osd_default_journal_size,
>  		'osd pool default min size' => 1,
> +		'debug asok' => '0/0',
> +		'debug auth' => '0/0',
> +		'debug buffer' => '0/0',
> +		'debug client' => '0/0',
> +		'debug context' => '0/0',
> +		'debug crush' => '0/0',
> +		'debug filer' => '0/0',
> +		'debug filestore' => '0/0',
> +		'debug finisher' => '0/0',
> +		'debug heartbeatmap' => '0/0',
> +		'debug journal' => '0/0',
> +		'debug journaler' => '0/0',
> +		'debug lockdep' => '0/0',
> +		'debug mds' => '0/0',
> +		'debug mds balancer' => '0/0',
> +		'debug mds locker' => '0/0',
> +		'debug mds log' => '0/0',
> +		'debug mds log expire' => '0/0',
> +		'debug mds migrator' => '0/0',
> +		'debug mon' => '0/0',
> +		'debug monc' => '0/0',
> +		'debug ms' => '0/0',
> +		'debug objclass' => '0/0',
> +		'debug objectcacher' => '0/0',
> +		'debug objecter' => '0/0',
> +		'debug optracker' => '0/0',
> +		'debug osd' => '0/0',
> +		'debug paxos' => '0/0',
> +		'debug perfcounter' => '0/0',
> +		'debug rados' => '0/0',
> +		'debug rbd' => '0/0',
> +		'debug rgw' => '0/0',
> +		'debug throttle' => '0/0',
> +		'debug timer' => '0/0',
> +		'debug tp' => '0/0',
>  	    };
>  
>  	    # this does not work for default pools 
> -- 
> 2.11.0

shouldn't the following (as suggested by Wido den Hollander on
ceph-users a while ago) be enough for the most common use case? the
really latency sensitive daemons are the OSDs after all..

[osd]
debug_osd = 0
debug_filestore = 0
debug_journal = 0
debug_ms = 0

I'll do some tests later on with this and also with your proposed
jemalloc patch..