A bug has already been filed for this issue: https://issues.basho.com/show_bug.cgi?id=1002
Thanks, Dan Daniel Reverri Developer Advocate Basho Technologies, Inc. [email protected] On Thu, Mar 3, 2011 at 12:19 PM, Dan Reverri <[email protected]> wrote: > Hi Jason, > > I'm able to reproduce the issue when the keys I am filtering do not contain > the token. For example, if my token is "-" and my key is "helloworld" the > tokens for that key become: > ["helloworld"] > > Grabbing the second element of that list returns an error: > 3> string:tokens("helloworld", "-"). > ["helloworld"] > 4> lists:nth(2, ["helloworld"]). > ** exception error: no function clause matching lists:nth(1,[]) > > It seems Riak should catch errors during the filtering process and discard > keys that cause errors. I will file a bug. > > Thanks, > Dan > > Daniel Reverri > Developer Advocate > Basho Technologies, Inc. > [email protected] > > > > On Thu, Mar 3, 2011 at 10:28 AM, Jason J. W. Williams < > [email protected]> wrote: > >> If someone could help me understand just this error, that would help a >> lot: https://gist.github.com/852450 >> >> Thank you in advance. >> >> -J >> >> On Wed, Mar 2, 2011 at 11:55 PM, Jason J. W. Williams >> <[email protected]> wrote: >> > Hi, >> > >> > I'm experimenting using key filters to implement indexes. My approach >> > is for each data key in bucket A, to create a new empty key in a >> > dedicated index bucket where the original key name and value of the >> > indexed field is encoded in the key name for a new index key. >> > >> > Data key looks like this: >> > >> > Bucket - riak_perf_test >> > Key - ccode_<unique_6_digit_ID> : {"redeemed_count": 23 } >> > >> > For each data key created, an index key is created: >> > >> > Bucket - idx=redeemed_count=ccode >> > Key - ccode/23 >> > >> > (in both keys 23 changes on a per-key basis based on what >> > "redeemed_count" is set to) >> > >> > >> > My goal is to be able to do a key filtered Map Reduce job on >> > idx=redeemed_count=ccode that generates a list of all data key names >> > with a redeemed_count < 50. >> > >> > The job (using curl) is here: https://gist.github.com/852451 >> > >> > It errors out almost immediately in sasl-error.log >> > (https://gist.github.com/852450), but the request doesn't immediately >> > error out to the client. The only error the client sees is an eventual >> > timeout error. >> > >> > So my question is, what is the error in sasl-error.log telling me is >> > wrong with my job construction? And also, why is there only a timeout >> > error generated to the client instead of a map_reduce_error as I've >> > seen for non-key filtered jobs? >> > >> > Thank you in advance for any help. I greatly appreciate it. >> > >> > -J >> > >> >> _______________________________________________ >> riak-users mailing list >> [email protected] >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> > >
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