Alex, Which backend are you using? Leveldb's memory usage does not show up within Erlang. Maybe that is what you are experiencing?
Matthew Sent from my iPad > On Jan 26, 2017, at 5:47 AM, Alex Feng <sweden.f...@gmail.com> wrote: > > Hi Riak Users, > > One of my riak nodes, it has 4G memory, when I check the memory usage with > "free -m", I can see there are only around 150M left. Then I check the > command "riak-admin status", it shows around 415M(415594432) consumed by > Erlang. But with "top" command, it shows Erlang takes 52.1% memory, it is > about 2G. > So, my question is where is the other ~1.6G (2G - 415M) memory ? > > > dropped_vnode_requests_total : 0 > executing_mappers : 0 > gossip_received : 6 > handoff_timeouts : 0 > ignored_gossip_total : 0 > index_fsm_active : 0 > index_fsm_create : 0 > index_fsm_create_error : 0 > late_put_fsm_coordinator_ack : 0 > leveldb_read_block_error : 0 > list_fsm_active : 0 > list_fsm_create : 0 > list_fsm_create_error : 0 > list_fsm_create_error_total : 0 > list_fsm_create_total : 0 > map_actor_counts_100 : 0 > map_actor_counts_95 : 0 > map_actor_counts_99 : 0 > map_actor_counts_mean : 0 > map_actor_counts_median : 0 > mem_allocated : 3859660800 > mem_total : 3975495680 > memory_atom : 703377 > memory_atom_used : 677686 > memory_binary : 92813136 > memory_code : 16511098 > memory_ets : 6823184 > memory_processes : 287157280 > memory_processes_used : 287149824 > memory_system : 128437152 > memory_total : 415594432 > > > > KiB Swap: 4063228 total, 106496 used, 3956732 free. 296560 cached Mem > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > 1 riak 20 0 4844692 1.929g 1772 S 5.3 52.1 4539:13 beam.smp > > 23510 riak 20 0 10.152g 1.131g 32292 S 4.3 30.6 2:07.28 java > > 72 riak 20 0 7492 92 0 S 0.0 0.0 0:15.22 epmd > > 190 riak 20 0 4440 224 172 S 0.0 0.0 0:00.67 sh > > 191 riak 20 0 4324 252 192 S 0.0 0.0 0:08.97 memsup > > 193 riak 20 0 4324 0 0 S 0.0 0.0 0:00.00 cpu_sup > > 285 riak 20 0 7460 28 0 S 0.0 0.0 0:29.51 > inet_gethost > 286 riak 20 0 13780 316 236 S 0.0 0.0 0:55.30 > inet_gethost > 287 riak 20 0 13780 8 0 S 0.0 0.0 0:00.00 > inet_gethost > 22534 root 20 0 22320 1248 756 S 0.0 0.0 0:00.07 bash > > 24714 root 20 0 23992 1456 1052 R 0.0 0.0 0:00.00 top > > > Br, > Alex > _______________________________________________ > 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
