I don't think you're setting it correctly. I usually set it in the terminal before calling riak start. Or set it system wide, different ways to do it depending on your os.
@siculars http://siculars.posterous.com Sent from my iRotaryPhone On Oct 8, 2012, at 21:00, David Lowell <[email protected]> wrote: > I'm starting to want to move past the default Riak configs, for example, by > running with a larger number of partitions than the default 64. However, > today when bumping up the "ring_creation_size" config param to 256 or higher > Riak started failing soon after startup with messages about "Too many open > files". For the record, I'm using the ELevelDB back-end. > > I've seen the documentation about the need for ring_creation_size * > max_open_files file descriptors with levelDB. I've upped the system open > files limit for the riak user to 100k, so I don't think I'm hitting that > system limit. So it feels like I'm hitting a limit configured within the > application somewhere. > > It doesn't feel like changing levelDB's 'max_open_files' configuration is the > issue here, as I'm using the default/minimum value of 20 for that parameter. > Any other setting would increase open files. > > So I could use a pointer here from folks who have been here. I suspect there > is something very simple required here. > > Thanks folks! > > Dave > > ps. For the record, my data set is empty on this host, and for completeness > I'm blowing away the ring state when I fiddle with the ring_creation_size > parameter. > > -- > Dave Lowell > [email protected] > > > 2012-10-09 00:50:17.430 [info] <0.7.0> Application riak_kv started on node > '[email protected]' > 2012-10-09 00:50:17.456 [info] <0.7.0> Application merge_index started on > node '[email protected]' > 2012-10-09 00:50:17.459 [info] <0.1316.0>@riak_core:wait_for_service:445 > Waiting for service riak_kv to start (0 seconds) > 2012-10-09 00:50:17.525 [info] <0.1303.0>@riak_core:wait_for_application:419 > Wait complete for application riak_kv (0 seconds) > 2012-10-09 00:50:37.366 [error] <0.5081.0>@riak_kv_vnode:init:265 Failed to > start riak_kv_eleveldb_backend Reason: {db_open,"IO error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"} > 2012-10-09 00:50:37.423 [notice] <0.5081.0>@riak:stop:46 "backend module > failed to start." > 2012-10-09 00:50:37.424 [error] <0.5081.0> CRASH REPORT Process <0.5081.0> > with 0 neighbours exited with reason: {db_open,"IO error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"} in gen_fsm:init_it/6 line 371 > 2012-10-09 00:50:37.429 [info] <0.494.0>@riak_kv_js_vm:terminate:240 > Spidermonkey VM (pool: riak_kv_js_hook) host stopping (<0.494.0>) > 2012-10-09 00:50:37.673 [error] <0.138.0> Supervisor riak_core_vnode_sup had > child undefined started with {riak_core_vnode,start_link,undefined} at > <0.5081.0> exit with reason {db_open,"IO error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"} in context child_terminated > 2012-10-09 00:50:37.736 [error] <0.153.0> gen_server riak_core_vnode_manager > terminated with reason: no match of right hand value {error,{db_open,"IO > error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"}} in riak_core_vnode_manager:get_vnode/3 line 489 > 2012-10-09 00:50:37.799 [error] <0.153.0> CRASH REPORT Process > riak_core_vnode_manager with 0 neighbours exited with reason: no match of > right hand value {error,{db_open,"IO error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"}} in riak_core_vnode_manager:get_vnode/3 line 489 in > gen_server:terminate/6 line 747 > 2012-10-09 00:50:37.844 [error] <0.136.0> Supervisor riak_core_sup had child > riak_core_vnode_manager started with riak_core_vnode_manager:start_link() at > <0.153.0> exit with reason no match of right hand value {error,{db_open,"IO > error: > /var/data/ctv/riak/leveldb/1427247692705959881058285969449495136382746624000/LOCK: > Too many open files"}} in riak_core_vnode_manager:get_vnode/3 line 489 in > context child_terminated > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
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