Errors messages from 2i/range queries, or something else?

Dave Brady dbrady at weborama.com
Fri May 30 05:27:31 EDT 2014


Our five-node cluster, running 1.4.7, is spewing lots of these messages: 


2014-05-30 08:49:20.683 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.8208.361> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,rmerge3_21_3,6}},{message_queue_len,0}] [{timeout,155},{old_heap_block_size,0},{heap_block_size,317811},{mbuf_size,0},{stack_size,59},{old_heap_size,0},{heap_size,271310}] 
2014-05-30 08:52:30.532 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.17361.375> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,rmerge2_1,4}},{message_queue_len,0}] [{timeout,103},{old_heap_block_size,0},{heap_block_size,514229},{mbuf_size,0},{stack_size,59},{old_heap_size,0},{heap_size,252851}] 
2014-05-30 08:52:31.123 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.17361.375> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,rmerge2_2,5}},{message_queue_len,0}] [{timeout,103},{old_heap_block_size,0},{heap_block_size,514229},{mbuf_size,0},{stack_size,58},{old_heap_size,0},{heap_size,251111}] 
2014-05-30 08:52:37.041 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.29376.375> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,split_1_1,6}},{message_queue_len,0}] [{timeout,103},{old_heap_block_size,0},{heap_block_size,196418},{mbuf_size,0},{stack_size,56},{old_heap_size,0},{heap_size,190521}] 
2014-05-30 08:52:37.149 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.29376.375> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,split_1,5}},{message_queue_len,0}] [{timeout,101},{old_heap_block_size,0},{heap_block_size,317811},{mbuf_size,0},{stack_size,56},{old_heap_size,0},{heap_size,196361}] 
2014-05-30 08:52:37.977 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.29376.375> [{initial_call,{erlang,apply,2}},{almost_current_function,{lists,rmerge3_21_3,6}},{message_queue_len,0}] [{timeout,123},{old_heap_block_size,0},{heap_block_size,514229},{mbuf_size,0},{stack_size,59},{old_heap_size,0},{heap_size,251541}] 
2014-05-30 09:02:00.731 [info] <0.83.0>@riak_core_sysmon_handler:handle_event:92 monitor long_gc <0.16282.433> [{initial_call,{erlang,apply,2}},{almost_current_function,{erlang,max,2}},{message_queue_len,0}] [{timeout,103},{old_heap_block_size,0},{heap_block_size,196418},{mbuf_size,0},{stack_size,65},{old_heap_size,0},{heap_size,125642}] 


GET and PUT times are shooting into multi-second response. 


Can someone give me any hints about where to look, please? 

-- 
Dave Brady 

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