Which Riak client are you using? Do you have it configured to connect to all nodes in your cluster or just one? -- Luke Bakken Engineer lbak...@basho.com
On Mon, May 2, 2016 at 7:40 AM, Guillaume Boddaert <guilla...@lighthouse-analytics.co> wrote: > Hi Luke, > > Well objsize seems to be 0, that's very troubling. > I can assure you that i am writing 75 items per second at the moment and > that I can pull data from the cluster. > > > admin@riak3:~$ sudo riak-admin status | grep -e 'objsize' > > consistent_get_objsize_100 : 0 > consistent_get_objsize_95 : 0 > consistent_get_objsize_99 : 0 > consistent_get_objsize_mean : 0 > consistent_get_objsize_median : 0 > consistent_put_objsize_100 : 0 > consistent_put_objsize_95 : 0 > consistent_put_objsize_99 : 0 > consistent_put_objsize_mean : 0 > consistent_put_objsize_median : 0 > node_get_fsm_counter_objsize_100 : 0 > node_get_fsm_counter_objsize_95 : 0 > node_get_fsm_counter_objsize_99 : 0 > node_get_fsm_counter_objsize_mean : 0 > node_get_fsm_counter_objsize_median : 0 > node_get_fsm_map_objsize_100 : 0 > node_get_fsm_map_objsize_95 : 0 > node_get_fsm_map_objsize_99 : 0 > node_get_fsm_map_objsize_mean : 0 > node_get_fsm_map_objsize_median : 0 > node_get_fsm_objsize_100 : 0 > node_get_fsm_objsize_95 : 0 > node_get_fsm_objsize_99 : 0 > node_get_fsm_objsize_mean : 0 > node_get_fsm_objsize_median : 0 > node_get_fsm_set_objsize_100 : 0 > node_get_fsm_set_objsize_95 : 0 > node_get_fsm_set_objsize_99 : 0 > node_get_fsm_set_objsize_mean : 0 > node_get_fsm_set_objsize_median : 0 > write_once_put_objsize_100 : 0 > write_once_put_objsize_95 : 0 > write_once_put_objsize_99 : 0 > write_once_put_objsize_mean : 0 > write_once_put_objsize_median : 0 > > > > > On 02/05/2016 16:13, Luke Bakken wrote: >> >> Hi Guillaume - >> >> What are the "objsize" stats for your cluster? >> -- >> Luke Bakken >> Engineer >> lbak...@basho.com >> >> >> On Mon, May 2, 2016 at 4:45 AM, Guillaume Boddaert >> <guilla...@lighthouse-analytics.co> wrote: >>> >>> Hi, >>> >>> I'm trying to setup a production environment with Riak as backend. >>> Unfortunately I have very slow write times that bottleneck my whole >>> system. >>> >>> Here is a sample of one of my node (riak-admin status | grep -e >>> '^node_put_fsm_time'): >>> node_put_fsm_time_100 : 3305516 >>> node_put_fsm_time_95 : 230589 >>> node_put_fsm_time_99 : 1694593 >>> node_put_fsm_time_mean : 79864 >>> node_put_fsm_time_median : 14973 >>> >>> As you can see, I have really good times for most of my writes, yet the >>> mean >>> time is not so good because a few writes are taking long (Up to 3 >>> seconds) >>> How can I get rid of those slow insert ? Is that intended/normal ? >>> >>> My setup is the following: >>> 5 hosts (2CPU, %Cpu(s): 47,1 us, 1,3 sy, 0,0 ni, 51,3 id, 0,0 wa, 0,0 >>> hi, 0,2 si, 0,0 st) , ring_size: 128, aae disabled. >>> Writes are w=1 dw=0 >>> each host has 32go of ram, that is almost used for system caching only. >>> My data are stored on an openstack volume that support up to 3000IOPS. >>> >>> Here is an iostat sample for 1 minute: >>> avg-cpu: %user %nice %system %iowait %steal %idle >>> 38.00 0.00 1.81 0.03 0.08 60.07 >>> >>> Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn >>> vda 0.37 0.00 2.27 0 136 >>> vdb 9.60 0.00 294.53 0 17672 >>> >>> Thanks, >>> >>> Guilaume BODDAERT >>> >>> _______________________________________________ >>> 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 _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
