Hi Vladyslav, If you recognize the full name of the object raising the sibling warning, it is most likely a manifest object. Sometimes, during hinted handoff, you can see these messages. They should resolve after handoff completes.
Please see the documentation for the transfer-limit command as well: http://docs.basho.com/riak/kv/2.1.4/using/admin/riak-admin/#transfer-limit -- Luke Bakken Engineer lbak...@basho.com On Fri, Jun 3, 2016 at 2:55 AM, Vladyslav Zakhozhai <v.zakhoz...@smartweb.com.ua> wrote: > Hi. > > I have a trouble with PUT to Riak CS cluster. During this process I > periodically see the following message in Riak error.log: > > 2016-06-03 11:15:55.201 [error] > <0.15536.142>@riak_kv_vnode:encode_and_put:2253 Put failure: too many > siblings for object OBJECT_NAME (101) > > and also > > 2016-06-03 12:41:50.678 [error] > <0.20448.515>@riak_api_pb_server:handle_info:331 Unrecognized message > {7345880,{error,{too_many_siblings,101}}} > > Here OBJECT_NAME - is the name of object in Riak which has too many > siblings. > > I definitely sure that this objects are static. Nobody deletes is, nobody > rewrites it. I have no idea why more than 100 siblings of this object > occurs. > > The following effect of this issue occurs: > > Great amount of keys are loaded to RAM. I almost out of RAM (Do each sibling > has it own key or key duplicate?). > Nodes are slow - adding new nodes are too slow > Presence of "too many siblings" affects ownership handoffs > > So I have several questions: > > Do hinted or ownership handoffs can affect siblings count (I mean can > siblings be created during ownership of hinted handoffs) > Is there any workaround of this issue. Do I need remove siblings manually or > it removes during merges, read repairs and so on > > > My configuration: > > riak from basho's packages - 2.1.3-1 > riak cs from basho's packages - 2.1.0-1 > 24 riak/riak-cs nodes > 32 GB RAM per node > AAE is disabled > > > I appreciate you help. > > _______________________________________________ > 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
