Warning "Can not start proc_lib:init_p"

Evan Vigil-McClanahan emcclanahan at basho.com
Wed Apr 3 10:24:27 EDT 2013


Resending to the list:

Ingo,

That is an indication that the protocol buffers server can't spawn a
put fsm, which means that a put cannot be done for some reason or
another.  Are there any other messages that appear around this time
that might indicate why?	

On Wed, Apr 3, 2013 at 12:09 AM, Ingo Rockel
<ingo.rockel at bluelionmobile.com> wrote:
> Hi,
>
> we have some performance issues with our riak cluster, from time to time we
> have a sudden drop in performance (already asked the list about this, no-one
> had an idea though). Although not the same time but on the problematic nodes
> we have a lot of these messages from time to time:
>
> 2013-04-02 21:41:11.173 [warning] <0.25646.475> ** Can not start
> proc_lib:init_p
> ,[<0.14556.474>,[<0.9519.474>,riak_api_pb_sup,riak_api_sup,<0.1291.0>],riak_kv_p
> ut_fsm,start_link,[{raw,65032165,<0.9519.474>},{r_object,<<109>>,<<77,115,124,49
> ,53,55,57,56,57,56,50,124,49,51,54,52,57,51,49,54,49,49,53,49,50,52,53,54>>,[{r_
> content,{dict,0,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
> {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},<<>>}],[],{dict,2,16,16,8,8
> 0,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[]
> ,[],[],[[<<99,111,110,116,101,110,116,45,116,121,112,101>>,97,112,112,108,105,99
> ,97,116,105,111,110,47,106,115,111,110]],[],[],[],[],[[<<99,104,97,114,115,101,1
> 16>>,85,84,70,45,56]]}}},<<123,34,115,116,34,58,50,44,34,116,34,58,49,44,34,99,3
> 4,58,34,66,117,116,32,115,104,101,32,105,115,32,103,111,110,101,44,32,110,32,101
> ,118,101,110,32,116,104,111,117,103,104,32,105,109,32,110,111,116,32,105,110,32,
> 117,114,32,99,105,116,121,32,105,32,108,111,118,101,32,117,32,110,100,32,105,32,
> 109,101,97,110,32,105,116,32,58,39,40,34,44,34,114,34,58,49,52,51,52,54,52,51,57
> ,44,34,115,34,58,49,53,55,57,56,57,56,50,44,34,99,116,34,58,49,51,54,52,57,51,49
> ,54,49,49,53,49,50,44,34,97,110,34,58,102,97,108,115,101,44,34,115,107,34,58,49,
> 51,54,52,57,51,49,54,49,49,53,49,50,52,53,54,44,34,115,117,34,58,48,125>>},[{tim
> eout,60000}]]] on 'riak at 172.22.3.12' **
>
> Can anyone explain to me what these messages mean and if I need to do
> something about it? Could these messages be in any way related to the
> performance issues?
>
> Ingo
>
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