riak hiccups

Leonid Riaboshtan perfecthumanorama at gmail.com
Fri Nov 5 14:42:24 EDT 2010


As an addition! At some moment reduce phase was totaly refusing to execute,
all I saw was some map executes with even normal responses, but no reduce
phase.

Thanks.

On Fri, Nov 5, 2010 at 9:40 PM, Leonid Riaboshtan <
perfecthumanorama at gmail.com> wrote:

> I had issue like that, after some moment, I began to receive strange stuff
> on reduce phase, something like bucket info or meta info of some key, but
> function was never changed, maybe reduce was changed, but not map for sure.
>
> After RIAK restart it was all smooth again and I actually couldn't repeat
> it, so it really must be because of some development actions involved.
>
> How to disable javascript cache?
>
> Thanks!
>
> P.S. And how to wait for next release? x_X
>
>
> On Fri, Nov 5, 2010 at 8:23 PM, Kevin Smith <ksmith at basho.com> wrote:
>
>> I believe this error occurs when Riak erroneously cache a bad return
>> value, ie a non-list/array. For now, the best I can offer is either to
>> bounce the offending node or disable the cache.
>>
>> --Kevin
>>
>> Sent from my iPhone
>>
>> On Nov 5, 2010, at 8:20 AM, Jan Metzner <jan.metzner at gmail.com> wrote:
>>
>> > Hi kevin,
>> >
>> > thanks for the answer - is there a workaround for this and when will
>> > this error occur?
>> >
>> > Thanks
>> > Jan
>> >
>> > 2010/11/5 Kevin Smith <ksmith at basho.com>:
>> >> Jan -
>> >>
>> >> This is a bug in the JS cache which will be fixed in the upcoming
>> release.
>> >>
>> >> --Kevin
>> >>
>> >> Sent from my iPhone
>> >>
>> >> On Nov 5, 2010, at 12:33 AM, Jan Metzner <jan.metzner at gmail.com>
>> wrote:
>> >>
>> >>> Hi Folks,
>> >>>
>> >>> after importing a lot of data i fired some map reduce javascript
>> >>> queries with some strange results.
>> >>> I had a typo in the first query but the error from this query was also
>> >>> returned for the other queries.
>> >>> The queries were not made parallel and the error appears also in the
>> log files.
>> >>> After restarting the riak server everything went to normal.
>> >>>
>> >>> Any chance how to avaoid there strange behaviour?
>> >>>
>> >>> Ciao Jan
>> >>>
>> >>> Here is the sequence from the riak log files:
>> >>>
>> >>> =ERROR REPORT==== 4-Nov-2010::16:16:20 ===
>> >>> ** State machine <0.19673.82> terminating
>> >>> ** Last event in was inputs_done
>> >>> ** When State == executing
>> >>> **      Data  == {state,3,riak_kv_reduce_phase,
>> >>>                     {state,
>> >>>                         {javascript,
>> >>>                             {reduce,
>> >>>                                 {jsanon,
>> >>>                                     <<"function(values, arg){ var
>> >>> pvalues=[]; for(var i = 0; i < values.length; i++){ if(values[i].id){
>> >>> if(values[i].wallpost){ pvalues[pvalues.length]=values[i]; } else
>> >>> if(values[i].comments){ var addEve
>> >>> nt = false; for(var c=0; c < values[i].comments.length; c++){
>> >>> if(values[i].comments[c].userId == '100000082183525'){addEvent=true;}}
>> >>> if(addEvent){pvalues[pvalues.length]=values[i];} }} } return
>> >>> pvalues.sort(function(a,b){ var autc=a.utc;
>> >>> if(a.comments){for(var i=0; i< a.comments.length; i++){ var
>> >>> cutc=a.comments[i].timestamp; autc=cutc > autc?cutc:autc;}} var
>> >>> butc=b.utc; if(b.comments){for(var i=0; i< b.comments.length; i++){
>> >>> var cutc=b.comments[i].timestamp; butc=cutc > butc?cutc:butc;}} var
>> >>> diff=autc-butc; return diff==0 ? 0 : diff > 0 ? -1 : 1; }); }">>},
>> >>>                                 none,true}},
>> >>>                         [],[]},
>> >>>                     true,true,<0.19674.82>,
>> >>>                     [<0.19674.82>],
>> >>>                     undefined,0,<0.19672.82>,66000}
>> >>> ** Reason for termination =
>> >>> ** {error,[{<<"lineno">>,1},
>> >>>           {<<"message">>,<<"TypeError: iv.values is undefined">>},
>> >>>           {<<"source">>,<<"unknown">>}]}
>> >>>
>> >>> =ERROR REPORT==== 4-Nov-2010::16:17:07 ===
>> >>> ** State machine <0.20427.82> terminating
>> >>> ** Last event in was inputs_done
>> >>> ** When State == executing
>> >>> **      Data  == {state,3,riak_kv_reduce_phase,
>> >>>                     {state,
>> >>>                         {javascript,
>> >>>                             {reduce,
>> >>>                                 {jsanon,
>> >>>                                     <<"function(values, arg){ var
>> >>> pvalues=[]; for(var i = 0; i < values.length; i++){ if(values[i].id){
>> >>> if(values[i].wallpost){ pvalues[pvalues.length]=values[i]; } else
>> >>> if(values[i].comments){ var addEvent = false; for(var c=0; c <
>> >>> values[i].comments.length; c++){ if(values[i].comments[c].userId ==
>> >>> '100000082183525'){addEvent=true;}}
>> >>> if(addEvent){pvalues[pvalues.length]=values[i];} }} } return
>> >>> pvalues.sort(function(a,b){ var autc=a.utc; if(a.comments){for(var
>> >>> i=0; i< a.comments.length; i++){ var cutc=a.comments[i].timestamp;
>> >>> autc=cutc > autc?cutc:autc;}} var butc=b.utc; if(b.comments){for(var
>> >>> i=0; i< b.comments.length; i++){ var cutc=b.comments[i].timestamp;
>> >>> butc=cutc > butc?cutc:butc;}} var diff=autc-butc; return diff==0 ? 0 :
>> >>> diff > 0 ? -1 : 1; }); }">>},
>> >>>                                 none,true}},
>> >>>                         [],[]},
>> >>>                     true,true,<0.20428.82>,
>> >>>                     [<0.20428.82>],
>> >>>                     undefined,0,<0.20426.82>,66000}
>> >>> ** Reason for termination =
>> >>> ** {error,[{<<"lineno">>,1},
>> >>>           {<<"message">>,<<"TypeError: iv.values is undefined">>},
>> >>>           {<<"source">>,<<"unknown">>}]}
>> >>>
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