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PORiak eating 100% CPU on OSX install
 

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  1. PORiak eating 100% CPU on OSX install
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    <p>This question is related to:</p> <p><a href="https://stackoverflow.com/questions/19077425/riak-node-not-working-but-using-100-cpu">Riak node not working, but using 100% cpu</a></p> <p>but since the poster seems to have left I'm posting my case here.</p> <p>Last night I installed erlang(R15B01) from source, using the config options from the Riak website: </p> <p><a href="http://docs.basho.com/riak/1.2.1/tutorials/installation/Installing-Erlang/#Installing-on-Mac-OS-X" rel="nofollow noreferrer">http://docs.basho.com/riak/1.2.1/tutorials/installation/Installing-Erlang/#Installing-on-Mac-OS-X</a></p> <p>and Riak(1.4.1) on my 2013 MacBook Pro (2.8GHz i7, 16GB ram, OSX 10.8.3). I did not change the ulimit, as I assumed it would be fine for a vanilla run.</p> <p>Installation went fine; warnings but no errors, and I was able to run the toy examples no problem.</p> <p>However the empty instance quickly ate through all 4 cores and my machine started whining and overheating.</p> <p>Looking in the logs I see the following error repeated a jillion times:</p> <pre><code> 2013-10-11 09:04:04.266 [error] CRASH REPORT ¥ Process with 0 neighbours exited with reason: ¥ call to undefined function eleveldb:o </code></pre> <p>also tons of crash reports:</p> <pre><code> 2013-10-11 09:14:47 =CRASH REPORT==== crasher: initial call: riak_kv_index_hashtree:init/1 pid: registered_name: [] exception exit: {{undef,[{eleveldb,open, ["./data/anti_entropy/479555224749202520035584085735030365824602865664", [{create_if_missing,true},{max_open_files,20},{write_buffer_size,12886952}]],[]}, {hashtree,new_segment_store,2,[{file,"src/hashtree.erl"},{line,499}]},{hashtree,new,2, [{file,"src/hashtree.erl"},{line,215}]},{riak_kv_index_hashtree,do_new_tree,2, [{file,"src/riak_kv_index_hashtree.erl"},{line,421}]},{lists,foldl,3,[{file,"lists.erl"}, {line,1197}]},{riak_kv_index_hashtree,init_trees,2,[{file,"src/riak_kv_index_hashtree.erl"}, {line,366}]},{riak_kv_index_hashtree,init,1,[{file,"src/riak_kv_index_hashtree.erl"}, {line,226}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,304}]}]}, [{gen_server,init_it,6,[{file,"gen_server.erl"},{line,328}]},{proc_lib,init_p_do_apply,3, [{file,"proc_lib.erl"},{line,227}]}]} ancestors: [,riak_core_vnode_sup,riak_core_sup,] messages: [] links: [] dictionary: [] trap_exit: false status: running heap_size: 987 stack_size: 24 reductions: 492 neighbours: </code></pre> <p>erlang.log says</p> <pre><code> ===== ===== LOGGING STARTED Fri Oct 11 09:04:01 CEST 2013 ===== Node 'riak@127.0.0.1' not responding to pings. config is OK !!!! !!!! WARNING: ulimit -n is 2560; 4096 is the recommended minimum. !!!! Exec: /tmp/riak-1.4.1/rel/riak/bin/../erts-5.9.1/bin/erlexec -boot /tmp/riak-1.4.1/rel/riak/bin/../releases/1.4.1/riak -config /tmp/riak-1.4.1/rel/riak/bin/../etc/app.config -pa /tmp/riak-1.4.1/rel/riak/bin/../lib/basho-patches -args_file /tmp/riak-1.4.1/rel/riak/bin/../etc/vm.args -- console Root: /tmp/riak-1.4.1/rel/riak/bin/.. Erlang R15B01 (erts-5.9.1) [source] [64-bit] [smp:8:8] [async-threads:64] [kernel-poll:true] Eshell V5.9.1 (abort with ^G) (riak@127.0.0.1)1> </code></pre> <p>After less than 10m there are already 144MB of logging files with variations of the above.</p>
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      1. USPaul Sweatte
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    1. COi think you might have to re-install your riak, this time, ensure all dependecies are available
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      1. USMuzaaya Joshua
    2. COthe docs say that eleveldb is included by default, and the riak page provides no further information about how to install it.
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    3. COWhat errors can be found in the error.log file?
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      1. USChristian Dahlqvist
 

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