HI Mattew, Thank you for the help. I got answer from Shaun already, seems LevelDB and Bitcask, they are same, memory usage does not show up in Erlang.
Br, Alex 2017-01-26 14:47 GMT+01:00 Matthew Von-Maszewski <matth...@basho.com>: > 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 >
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