Francisco,
Is it the case that you have already tried to force read repair on the file
chunks and are still seeing these errors?
Kelly
On Jan 12, 2012, at 10:57 AM, francisco treacy wrote:
> Hi,
>
> One of my users is preparing an exam but can't load an image because
> Luwak is serving it broken (i.e. responds with HTTP 200; 0 bytes)
>
> Visibly caused by a non-existing chunk of that file on that partition.
> I would've expected read-repair to kick in and update the value. But
> it keeps on serving 0 bytes.
>
> Why is this happening and how can I fix it?
>
> Thanks,
>
> Francisco
>
>
> =CRASH REPORT==== 12-Jan-2012::18:42:29 ===
> crasher:
> initial call: luke_flow:init/1
> pid: <0.16316.2941>
> registered_name: []
> exception exit:
> {error,{phase_error,{error,{throw,{function_clause,[{riak_object,get_value,[{error,notfound}]},{luwak_get_stream,-map_fun/0-fun-0-,3},{riak_kv_mapper,run_map,9},{riak_kv_mapper,-do_map/2-fun-0-,9},{lists,foldl,3},{riak_kv_mapper,do_map,2},{gen_fsm,handle_msg,7},{proc_lib,init_p_do_apply,3}]},[{luwak_get_stream,-map_fun/0-fun-0-,3},{riak_kv_mapper,run_map,9},{riak_kv_mapper,-do_map/2-fun-0-,9},{lists,foldl,3},{riak_kv_mapper,do_map,2},{gen_fsm,handle_msg,7},{proc_lib,init_p_do_apply,3}]}}}}
> in function gen_fsm:terminate/7
> in call from proc_lib:init_p_do_apply/3
> ancestors: [luke_flow_sup,luke_sup,<0.10483.536>]
> messages: []
> links: [<0.10485.536>]
> dictionary: []
> trap_exit: true
> status: running
> heap_size: 610
> stack_size: 24
> reductions: 258
> neighbours:
>
> =SUPERVISOR REPORT==== 12-Jan-2012::18:42:29 ===
> Supervisor: {local,luke_flow_sup}
> Context: child_terminated
> Reason:
> {error,{phase_error,{error,{throw,{function_clause,[{riak_object,get_value,[{error,notfound}]},{luwak_get_stream,-map_fun/0-fun-0-,3},{riak_kv_mapper,run_map,9},{riak_kv_mapper,-do_map/2-fun-0-,9},{lists,foldl,3},{riak_kv_mapper,do_map,2},{gen_fsm,handle_msg,7},{proc_lib,init_p_do_apply,3}]},[{luwak_get_stream,-map_fun/0-fun-0-,3},{riak_kv_mapper,run_map,9},{riak_kv_mapper,-do_map/2-fun-0-,9},{lists,foldl,3},{riak_kv_mapper,do_map,2},{gen_fsm,handle_msg,7},{proc_lib,init_p_do_apply,3}]}}}}
> Offender:
> [{pid,<0.16316.2941>},{name,undefined},{mfa,{luke_flow,start_link,[<10351.27714.2432>,18337056,[{riak_kv_map_phase,[],[{erlang,{map,{qfun,#Fun<luwak_get_stream.1.10025879>},{map,{riak_client,[email protected],<<[2,139,139,84]>>},1000000,#Ref<0.0.487.249801>,<0.16313.2941>,0,76134},false}}]}],undefined,66000]}},{restart_type,temporary},{shutdown,brutal_kill},{child_type,worker}]
>
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