Riak Bitcask backend is very unstable on OS X 10.6.3

Senthilkumar Peelikkampatti senthilkumar.peelikkampatti at gmail.com
Sat May 8 12:30:13 EDT 2010


I am facing frequently below issue after increasing maxfiles (after sysctl
-w kern.maxfiles=40000 && ulimit -n 1024 ), sometimes it works after
restarting Riak but frequently crashes with the below error.

System: Mac OS X 10.6.3 + (after sysctl -w kern.maxfiles=40000 && ulimit -n
1024 )
Riak: tip with clean build and few doc in a single bucket + single riak
node
Bitcask: whatever riak pulled



=ERROR REPORT==== 8-May-2010::11:23:19 ===
** State machine <0.160.0> terminating
** Last event in was {list_bucket,<0.214.0>,<<"item_1">>,90028198}
** When State == active
**      Data  == {state,639406966332270026714112114313373821099470487552,[],
                        riak_kv_bitcask_backend,
                        {#Ref<0.0.0.773>,

"data/bitcask/639406966332270026714112114313373821099470487552"},
                        not_in_handoff,undefined}
** Reason for termination =
** {{badmatch,{error,emfile}},
    [{bitcask,subfold,3},
     {riak_kv_bitcask_backend,list,1},
     {riak_kv_bitcask_backend,list_bucket,2},
     {riak_kv_vnode,do_list_bucket,6},
     {riak_kv_vnode,active,2},
     {gen_fsm,handle_msg,7},
     {proc_lib,init_p_do_apply,3}]}


-- 
Regards,
Senthilkumar Peelikkampatti,
http://pmsenthilkumar.blogspot.com/
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