Hi Jerald - What is the average size of an object that you are storing in Riak?
I'm also seeing a lot of errors in the logs related to AAE, like you note. I know there have been fixes in that part of Riak since 2.1.4 and recommend upgrading. -- Luke Bakken Engineer lbak...@basho.com On Tue, May 2, 2017 at 6:56 AM, Arulappan, Jerald (Jerald) <ajer...@avaya.com> wrote: > Hi, > > I am using a single node riak server 2.1.4 with bitcask as backend for > storing files. > The riak node stops working after every week. (Looks like when the active > anti-entropy process recreates the hash tree) > The sylog shows Out of memory Error. But the console.log shows "sst: No such > file or directory" > Syslog Error: > > Apr 26 17:39:37 TLCCBAPRO2 kernel: Out of memory: Kill process 16685 > (beam.smp) score 824 or sacrifice child > Apr 26 17:39:37 TLCCBAPRO2 kernel: Killed process 16987 (sh) > total-vm:106168kB, anon-rss:116kB, file-rss:0kB > Apr 26 17:39:41 TLCCBAPRO2 kernel: Out of memory: Kill process 16685 > (beam.smp) score 824 or sacrifice child > Apr 26 17:39:41 TLCCBAPRO2 kernel: Killed process 30374 (memsup) > total-vm:4112kB, anon-rss:80kB, file-rss:0kB > Apr 26 17:39:41 TLCCBAPRO2 kernel: Out of memory: Kill process 16685 > (beam.smp) score 824 or sacrifice child > Apr 26 17:39:41 TLCCBAPRO2 kernel: Killed process 14351 (cpu_sup) > total-vm:4112kB, anon-rss:68kB, file-rss:0kB > Apr 26 17:39:41 TLCCBAPRO2 kernel: Out of memory: Kill process 16685 > (beam.smp) score 824 or sacrifice child > Apr 26 17:39:41 TLCCBAPRO2 kernel: Killed process 30385 (sh) > total-vm:106164kB, anon-rss:136kB, file-rss:416kB > Apr 26 17:44:48 TLCCBAPRO2 run_erl[16682]: Erlang closed the connection. > > Console.log: > > 2017-04-26 17:37:03.493 [info] > <0.625.0>@riak_kv_vnode:maybe_create_hashtrees:227 > riak_kv/91343852333181432387730302044767688728495783936: unable to start > index_hashtree: {error,{{badmatch,{error,{db_open,"IO error: > ./data/anti_entropy/91343852333181432387730302044767688728495783936/sst_0/001954.sst: > No such file or > directory"}}},[{hashtree,new_segment_store,2,[{file,"src/hashtree.erl"},{line,675}]},{hashtree,new,2,[{file,"src/hashtree.erl"},{line,246}]},{riak_kv_index_hashtree,do_new_tree,3,[{file,"src/riak_kv_index_hashtree.erl"},{line,610}]},{lists,foldl,3,[{file,"lists.erl"},{line,1248}]},{riak_kv_index_hashtree,init_trees,3,[{file,"src/riak_kv_index_hashtree.erl"},{line,474}]},{riak_kv_index_hashtree,init,1,[{file,"src/riak_kv_index_hashtree.erl"},{line,268}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,304}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]}} > 2017-04-26 17:37:03.515 [error] <0.30178.2881> CRASH REPORT Process > <0.30178.2881> with 0 neighbours exited with reason: no match of right hand > value {error,{db_open,"IO error: > ./data/anti_entropy/936274486415109681974235595958868809467081785344/000037.sst: > No such file or directory"}} in hashtree:new_segment_store/2 line 675 in > gen_server:init_it/6 line 328 > 2017-04-26 17:37:03.515 [info] > <0.623.0>@riak_kv_vnode:maybe_create_hashtrees:227 > riak_kv/45671926166590716193865151022383844364247891968: unable to start > index_hashtree: {error,{{badmatch,{error,{db_open,"IO error: > ./data/anti_entropy/45671926166590716193865151022383844364247891968/sst_0/002239.sst: > No such file or > directory"}}},[{hashtree,new_segment_store,2,[{file,"src/hashtree.erl"},{line,675}]},{hashtree,new,2,[{file,"src/hashtree.erl"},{line,246}]},{riak_kv_index_hashtree,do_new_tree,3,[{file,"src/riak_kv_index_hashtree.erl"},{line,610}]},{lists,foldl,3,[{file,"lists.erl"},{line,1248}]},{riak_kv_index_hashtree,init_trees,3,[{file,"src/riak_kv_index_hashtree.erl"},{line,474}]},{riak_kv_index_hashtree,init,1,[{file,"src/riak_kv_index_hashtree.erl"},{line,268}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,304}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]}} > 2017-04-26 17:37:03.516 [error] <0.30207.2881> CRASH REPORT Process > <0.30207.2881> with 0 neighbours exited with reason: no match of right hand > value {error,{db_open,"IO error: > ./data/anti_entropy/45671926166590716193865151022383844364247891968/sst_0/002239.sst: > No such file or directory"}} in hashtree:new_segment_store/2 line 675 in > gen_server:init_it/6 line 328 > > > > The complete logs are in the attached zip file. Any thoughts on the root > cause and possible solution to overcome this is much appreciated. > > > > Regards, > > Jerald > > > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com